572 lines
23 KiB
Plaintext
572 lines
23 KiB
Plaintext
From: Digestifier <Linux-Development-Request@senator-bedfellow.mit.edu>
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To: Linux-Development@senator-bedfellow.mit.edu
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Reply-To: Linux-Development@senator-bedfellow.mit.edu
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Date: Sun, 2 Oct 94 18:13:15 EDT
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Subject: Linux-Development Digest #256
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Linux-Development Digest #256, Volume #2 Sun, 2 Oct 94 18:13:15 EDT
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Contents:
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Linux Device Driver info needed (William Shubert)
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Re: linux+slip+bootp. How? (Jon Peatfield)
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TMC-850 on IRQ 11 no workee... (ecarp@netcom.com)
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3Com 509 Driver Problems - Any fixes - Help (Brian Kramer)
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Re: [Wine] "Can't build if1632.o" Now what? (C. Engelmann)
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Re: Does Linux require an IRQ for SCSI (John Shifflett)
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Re: Linux on CD (Phil Hughes)
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Re: Does linux implement semaphores? (Vassili Leonov)
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Re: Linux and streams (Vassili Leonov)
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Linux Mud (Scott Francis)
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Re: SMail security hole? (SOLVED) (William Beckner)
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Re: ISDN drivers for Linux/BSD survey (Andy Puchrik)
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Re: Telnet & ftp freeze! (System Administrator)
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Re: PROBLEM: Adaptec 1542 with SMC-Ultra (Robert A. Tiller)
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----------------------------------------------------------------------------
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From: wms@ssd.intel.com (William Shubert)
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Subject: Linux Device Driver info needed
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Date: Sun, 2 Oct 1994 16:25:51 GMT
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This is probably a FAQ, but I couldn't find this newsgroup's FAQ on rtfm
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or anywhere else, so here goes...
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I need to write a device driver for Linux. I looked through the
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src/linux/drivers directory, and found some good examples but no
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documentation. Is there any documentation on the linux kernel anywhere?
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If there isn't, could somebody point me to a device driver that accesses
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a device on the memory bus by doing memory accesses instead of using the
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outb/inb calls? All the standard drivers seemed to use the I/O bus. I
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suppose that the hardware I'll be using could be modified to look for I/O
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accesses instead of memory accesses (it'll be a custom card), but I'd
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prefer to access it as memory.
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Thanks! Please email me responses. I'm not sure that I can keep up
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with the bandwidth of this newsgroup.
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-Bill (wms@ssd.intel.com)
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------------------------------
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From: J.S.Peatfield@amtp.cam.ac.uk (Jon Peatfield)
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Crossposted-To: comp.os.linux.admin
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Subject: Re: linux+slip+bootp. How?
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Date: 02 Oct 1994 17:10:18 GMT
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> tried it and couldn't do it, think that was because the slip
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> connection doesn't have an ethernet address (ie in the form
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> xx:xx:xx:xx:xx:xx). the reason i was trying it was to get a computer
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> to telnet in, the computer was local so I tried it with plip which
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> does have an ethernet address type setup but still couldn't get it
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> working. I did end up getting it working using rarp tho and maybe that
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> would work over slip???
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The lack of a MAC address shouldn't stop it working assuming that the
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bootp server "knows" who you are by some other means (e.g. it knows
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what physical port you are on or who you logged in as.)
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However in all versions of bootpc I've released so far it didn't work,
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'cos I always put the ARPHRD_ETHER type in the htype bootp field.
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On NET3 (1.1.14+ I think) based kernels you can extract the correct
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hardware type from any interface using SIOCGIFHWADDR so it should just
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work correctly with that fix to the bootpc code.
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However I've not got a SLIP (or PPP etc) line to test this on so I'm
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on rather shakey ground where this is concerned.
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Could someone with a SLIP line and a new(ish) kernel run the bootpc
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(0.31) code thus:
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bootpc --dev sl0 --verbose --debug
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andmail me all the output?
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-- Jon
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--
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Jon Peatfield, Computer Officer, the DAMTP, University of Cambridge
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Telephone: (+44 223) 3-37852 Mail: J.S.Peatfield@amtp.cam.ac.uk
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Friends don't let friends use PP. PP: Just say NO.
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------------------------------
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From: ecarp@netcom.com
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Subject: TMC-850 on IRQ 11 no workee...
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Reply-To: ecarp@netcom.com
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Date: Wed, 28 Sep 1994 13:45:42 GMT
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I have this really flaky Adaptec 1542B, so I decided to dust off a TMC-850
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compatible card and use it. Since I have a four-port comm card, I decided
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to switch the TMC-850 over to IRQ 11. I changed the IRQ #define in
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seagate.c to 11, rebuilt the kernel, and rebooted. (1.1.51).
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The kernel booted, recognized the card as an ST-0X, but recognized my
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Maxtor as not only LUN 0, but also LUN4 and 7! Then it proceeded to
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delete some entries (bogus, but it didn't say which ones it was deleting),
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and go on.
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The kernel read the partition table OK, but right after it did, it gave me
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the message "SCSI error ... id 4 lun 0 rc=27010000", then "I/O error 0810
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sector 0, unable to read partition table of dev 0810". Then the kernel
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panicked: "kernel panic: no device passed to allocate_device()". The root
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device is /dev/sda3 (0803). I have six partitions on this SCSI drive. The
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drive itself is a Maxtor 1.2GB HD.
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This same card worked on a pre-1.0 kernel, and it works with the Summer
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1994 Yggdrasil kernel.
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The machine is basically down for the moment, since the Adaptec card is
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pretty flaky, and I don't have the spare cash to replace it. Help??
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--
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Ed Carp, N7EKG Ed.Carp@linux.org, ecarp@netcom.com
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Finger ecarp@netcom.com for PGP 2.5 public key an88744@anon.penet.fi
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** PGP encrypted email preferred! **
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"What's the use of distant travel if only to discover - you're homeless in
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your heart." --Basia, "Yearning"
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------------------------------
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From: bjkramer@pluto.njcc.com (Brian Kramer)
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Crossposted-To: comp.os.linux.help
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Subject: 3Com 509 Driver Problems - Any fixes - Help
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Date: 30 Sep 1994 21:17:52 -0400
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I get the following error which pretty much disables my system. Is there
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a fix? Or can someone recommend a ethernet card that works flawlessly
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with linux?
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Sep 27 20:11:56 pluto kernel: eth0: Missed interrupt, status then 2011 now 2000 Tx 00 Rx 8000.
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Sep 27 21:56:01 pluto kernel: eth0: Transmitter access conflict.
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Sep 27 22:07:24 pluto kernel: eth0: transmit timed out, tx_status 00 status 2000.
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Sep 27 22:07:25 pluto kernel: eth0: transmit timed out, tx_status 00 status 2000.
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Sep 27 22:33:54 pluto kernel: eth0: Missed interrupt, status then 2011 now 2000 Tx 00 Rx 8000.
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Sep 28 01:10:52 pluto kernel: eth0: Missed interrupt, status then 2011 now 2000 Tx 00 Rx 8000.
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Sep 28 12:32:12 pluto kernel: eth0: Missed interrupt, status then 2011 now 2000 Tx 00 Rx 8000.
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Sep 28 15:39:43 pluto kernel: eth0: Missed interrupt, status then 2011 now 2000 Tx 00 Rx 8000.
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--
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Brian Kramer - Owner/Systems Administrator - bjkramer@pluto.njcc.com
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New Jersey Computer Connection - Public Access Unix Site - pluto.njcc.com
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Voice: 609-896-2799 - Fax: 609-896-2994 - Dialups: 609-896-3191
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Dialup or Telnet to pluto.njcc.com and log in as guest for more information.
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------------------------------
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From: engel@yacc.central.de (C. Engelmann)
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Subject: Re: [Wine] "Can't build if1632.o" Now what?
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Date: Sun, 2 Oct 1994 10:17:00 GMT
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joel@wam.umd.edu (Joel M. Hoffman) writes:
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>I found a copy of makedepend, which doesn't quite work right but seems
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>to work well enough, and now I'm trying to build a copy of Wine,
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>specifically, wine940912. But the make keeps dying on if1632.o:
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> make: *** No rule to make target `if1632.o'. Stop.
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>Indeed, I can find no if1632 source file. The README mentions a small
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>change to if1632.S, but I can't find that file anywhere.
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>Now what?
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I had the same problem patching wine to the september edition -
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but I couldn't solve it.
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So I got the full source tree and it works.
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There is a subdirectory named if1632, but there is only
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a file called 'call.S'.
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Good luck
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Carsten
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------------------------------
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From: jshiffle@netcom.com (John Shifflett)
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Subject: Re: Does Linux require an IRQ for SCSI
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Date: Sun, 2 Oct 1994 17:29:26 GMT
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jeffpk@netcom.com (Jeff Kesselman) writes:
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>In article <36l7p8$ruc@carbon.denver.colorado.edu>,
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>George <ghharrac@ouray.Denver.Colorado.EDU> wrote:
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>>Does linux require that SCSI devices use an IRQ. The seagate
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>>SCSI driver finds my adapter and drive, but times out. The
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>>interrupt selector is disabled on my card!
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The seagate driver *Absolutely Requires* an IRQ!!!!
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>>I can set the IRQ to 3|5, Chance the Wait state to 0, and modify
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>>the Memory range.
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You typically select IRQ 5.
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------------------------------
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From: fyl@eskimo.com (Phil Hughes)
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Subject: Re: Linux on CD
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Date: Sat, 1 Oct 1994 03:34:13 GMT
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Jeff Kesselman (jeffpk@netcom.com) wrote:
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: In article <butler.780613856@bert.cs.byu.edu>,
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: Kevin J. Butler <butler@bert.cs.byu.edu> wrote:
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: >pc@dale.dircon.co.uk (Pete Chown) writes:
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: >>If you have an IBM mainframe to spare, and run MVS on it, you can set
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: >>it up to move files to slower discs or to tape if they haven't been
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: >>used for a while. But they remain in the catalogue and are moved back
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: >>invisibly when you next use them.
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: >Exactly.
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: >
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: >A multi-tiered (secondary) storage sol'n:
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: >disk
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: >compressed disk
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: >cd (if avail)
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: >tape (if avail)
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: >
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: >complications arise w/ cd/tape, because they are removable--you end up
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: >interrupting to tell the operator "Insert [media] volume X..."
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: >But hey--its cheaper than robot mounted tapes, etc. ;-)
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: >
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: >Anyone working on anything like this???
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: Lets go one step further... I'ld like such a system to keep a catalog of
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: my CDs, so if I want t access something that is out on CD, and not
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: currently mounted, itll ask me to mount the proper CD by name.
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Funny thing about this is that the operating system I working on in 1970
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(I was doing systems testing) did exactly this. (Well, not CDs as they
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didn't exist). It was a commercial system (and still is -- CSTS on Univac
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mainframes). Customers paid more for faster storage (drum, disk, tape).
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All they had to do was change the storage class of a file (with a simple
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command sort of like chmod) and the system would asynchronously move the
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file.
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Then, if they executed a file (just entered it's name) and it was on tape
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they would have to wait and the operator would get a tape mount message.
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The user never really knew what tape the file was on -- that was up to the
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system. Worked really slick and certainly could work in a similar fashion
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with Linux.
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--
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Phil Hughes, Publisher, Linux Journal (206) 527-3385
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usually phil@ssc.com, sometimes fyl@eskimo.com
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------------------------------
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From: vassili@cs.sunysb.edu (Vassili Leonov)
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Subject: Re: Does linux implement semaphores?
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Date: 29 Sep 1994 23:19:23 GMT
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Neal Patrick Howland (nhowland@ksu.ksu.edu) wrote:
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: I was wondering in the standard linux develpment packages implemented
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: a semaphore synchronization call. If not, how do you synchronize two
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: processes to keep them from entering their critical sections at the same
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: time?
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System V IPC are in Linux. They do work...
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Vassili.
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------------------------------
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From: vassili@cs.sunysb.edu (Vassili Leonov)
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Subject: Re: Linux and streams
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Date: 29 Sep 1994 23:24:59 GMT
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dlc (dlc@gate.net) wrote:
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: I am wanting to do some software testing in a Linux environment, but to do so I
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: have to port some streams drivers over. Does Linux support streams? If so,
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: where are they? If Linux doesn't do streams, why not?
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In the stock version of the Linux there are no streams. Looks like
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people don't think it's needed. For portability reasons it's definately
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needed though I believe. There is one version of the kernel which has
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streams support - but I don't know how well it goes with the current
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release of the Linux. And how complete it is. Maybe author of it will
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comment what's new with streams. And maybe it's the time to put streams
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into the kernel permanantly. I personally have to run somwhat crap
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Unix named Interactive on the machine that uses streams device driver.
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Anyway - streams are quite usefull - and combined with loadable modules
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are very practical.
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Vassili.
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p.s. Too much of kernel space programmi8ng is a HUGE security hole though...
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------------------------------
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From: francis@VIOLET.uthscsa.edu (Scott Francis)
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Subject: Linux Mud
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Date: 2 Oct 1994 13:09:55 -0500
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Is there a mud developed for Linux and if so is it possible for me to get
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the source or compiler version of it?
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Please respond to francis@violet.uthscsa.edu
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Thanks is advance
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Scott
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//////////////////////////////////////////////////////
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// //
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// Scott Francis - UT Health Science Center //
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// San Antonio, Texas //
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// //
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// e-mail: francis@violet.uthscsa.edu //
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// sfrancis@janus1.cs.trinity.edu //
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// //
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// voice: (210)829-5501 //
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// //
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//////////////////////////////////////////////////////
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------------------------------
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From: wbeckner@darkstar.rsa.lib.il.us (William Beckner)
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Crossposted-To: comp.os.linux.help
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Subject: Re: SMail security hole? (SOLVED)
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Date: 30 Sep 1994 08:47:16 -0500
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Patrick Schaaf (bof@wg.saar.de) wrote:
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>jhenders@jonh.wimsey.com (John Henders) writes:
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[ snip! ]
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>Your conclusion (smail must be misconfigured) is correct, your proof
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>is not; the hole mentioned allows unwanted _creation_ of files in
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>inaccessible directories, with the file being owned by the user
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>(when append_as_user is set). Checking the source of transports/appendfile.c
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>you'll find that the attribute to set in the transport is called
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>'check_path'. The bug is gone now. I have no idea why that isn't the
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>default setting - does anybody know?
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>Patrick
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Thanks Patrick! Our defualt transports file did _NOT_ have the
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'check_path' attribute. I put it in yesterday, and now (it seems) the
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hole is plugged! The interesting thing is that smail doesn't complain to
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the sender of the .forward mail message that the post failed, but the
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smail log file does report 'permission denied' if the owner of the
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.forward file does not have write permission to the directory the
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.forward file is pointing to [ I hope that last sentence made sense! :) ]
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Thanks again for everyones help. BTW, our Linux OS was a Slackware
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installation. Maybe someone from Slackware (?) could answer your question?
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--
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Have fun!
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=============================================================================
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William Beckner - System Manager/SysAdmin wbeckner@darkstar.rsa.lib.il.us
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Ph : (309) 694-5513
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FAX: (309) 694-5297
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Resource Sharing Alliance of West Central Illinois, Inc.
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East Peoria, IL (USA) "Off of Route 24 on the Information Highway"
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=============================================================================
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System Administration -
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It's a dirty job, but somebody said I had to do it.
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------------------------------
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Crossposted-To: comp.dcom.isdn,comp.os.386bsd.development
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From: asp@puck.assabet.com (Andy Puchrik)
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Subject: Re: ISDN drivers for Linux/BSD survey
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Date: Sun, 2 Oct 1994 17:32:17 GMT
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In article <1994Oct1.170214.30779@infomat.ve6mgs.ampr.ab.ca>,
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Jason ROOT George <jbg@infomat.ve6mgs.ampr.ab.ca> wrote:
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>{posted to comp.dcom.isdn, comp.os.linux.development,
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> comp.os.386bsd.development}
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>
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>Next week, time permitting, I am going to get in touch with the appropriate
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>people at Intel to attempt to secure the release of RemoteExpress programming
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>specs. To aid in my quest, I ask that any interested parties send me a note
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>detailing their "plans" for this ISDN card. I am only interested in receiving
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>mail from programmer/driver hack-types, not from Joe User who wants to know
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You might be interested in an ISDN board that Digiboard will be
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coming out with. Digiboard seems to be a lot more interested in the
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Linux market.
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rgds,
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asp
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--
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Andy Puchrik Internet: asp@puck.Assabet.COM
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UUCP: transfer!charis!puck!asp
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------------------------------
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From: root@jaguar.tigerden.com (System Administrator)
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Crossposted-To: comp.os.linux.help,comp.os.linux.misc,comp.os.linux.admin
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Subject: Re: Telnet & ftp freeze!
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Date: 2 Oct 1994 18:21:24 GMT
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Trevor Lampre (trevor@xanax.apana.org.au) wrote:
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[Text describing and lamenting problem my myself and others deleted.]
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: Many have. I have posted twice myself about it and seen at least 5 other
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: posts not including this thread. I have never seen a response and my emails
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: to other posters has never been answered. It's pissing me off that nobody
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: seems to know the answer or have a fix. I've been patching my kernel up
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: to 1.1.51 (I think it got worse at .51) as well as rebuilding my daemons.
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: As the admin of a public access system it is of great concern to me, I've
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: had sendmail die for about 2 days before I noticed as well as the other
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: problems described. I spend more time now checking/killing/rebooting
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: my network stuff than I do giving more value to my users. I might just
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: switch to *BSD, at least the network code works.
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Thank WHATEVER that others are seeing this problem! And thanks to
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Trevor Lampre (trevor@xanax.apna.ort.au)
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Michael Haardt ((michael)u31b3hs@pool.informatik.rwth-aachen.de)
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Thomas E Zerucha (zerucha@shell.portal.com)
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and Steve Kneizys (STEVO@acad.ursinus.edu)
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for confirming what we've been seeing! I suggest we keep this thread
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open and fill it with additional information until the problem gets the
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attention it needs. I'm not a programmer, much less a kernel hacker, so
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I can only voice frustration with the situation.
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Some additional information gleened from observations:
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First, the original problem as I originally mentioned it:
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We are running slip to our internet provider, and intermittantly
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experience telnet lockups during logins. The system either 1) refuses
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connections 2) accepts the connection, but just sits 3) provides a login
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prompt, takes input, and never gives the password prompt (ususally
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creating a login zombie in the process).
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Additional information/trends noticed:
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If the lockup occurs, allowing the telnet session with the locked
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connection to sit while starting another is *always* successful. It
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*appears* that a particular ttyp# gets buggered somehow, and forcing the
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system to seek another one will get you in. I.E. We've had *tons* of
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complaints about ttyp1 and ttyp4 lately (although I've seen the problem
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also on ttyp3 in the past).
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|
|
|
In the event 'refused connections' are the symptom to those telnetting in
|
|
over the SLIP connection, logging in by adding an x-term *on the console*
|
|
that grabs the offending ttyp port will suddenly allow SLIP telnet
|
|
accesses.
|
|
|
|
I thought that once a user was successfully logged in, everything was
|
|
fine. However, I have had complaints of 'gradual slowing' or 'gradual
|
|
slowing then locking' from a couple of users. I intiially dismissed this
|
|
as 'net problems', but after hearing Michael Haardt's comment, I'm
|
|
beginning to think that's what's happening to us as well. I also suspect
|
|
that other 'general' user complaints about our 'slowness' at times would
|
|
turn out to be the same thing as well.
|
|
|
|
I have been experimenting with MTU sizes with ifconfig, but have no feel
|
|
for whether or not this has any effect. I *have* noticed that MTU gets
|
|
reset to 1500 by *something* some random time after I've changed it (note
|
|
this is without system reboots).
|
|
|
|
Here's a sample of what we have:
|
|
|
|
yiffy:~# ifconfig
|
|
lo Link encap Local Loopback
|
|
inet addr 127.0.0.1 Bcast 127.255.255.255 Mask 255.255.255.0
|
|
UP BROADCAST LOOPBACK RUNNING MTU 2000 Metric 0
|
|
RX packets 0 errors 0 dropped 0 overrun 0
|
|
TX packets 39754 errors 7 dropped 0 overrun 0
|
|
|
|
sl0 Link encap AMPR AX.25 HWaddr
|
|
inet addr 198.30.162.1 P-t-P 199.18.108.11 Mask 255.255.255.0
|
|
UP POINTOPOINT RUNNING MTU 1500 Metric 0
|
|
RX packets 1583360 errors 0 dropped 0 overrun 0
|
|
TX packets 1995660 errors 0 dropped 16514 overrun 0
|
|
|
|
eth0 Link encap 10Mbps Ethernet HWaddr 00:20:AF:16:4C:3E
|
|
inet addr 198.30.162.1 Bcast 198.30.162.255 Mask 255.255.255.0
|
|
UP BROADCAST RUNNING MTU 1500 Metric 0
|
|
RX packets 293959 errors 0 dropped 0 overrun 0
|
|
TX packets 285447 errors 0 dropped 0 overrun 0
|
|
|
|
Note that a few moments prior to running this, I had set sl0 MTU to 2000,
|
|
and confirmed that the value was accepted. Now it is 1500 again without
|
|
any action on my part.
|
|
|
|
One last observartion. When we first started with kernel 0.99.15, telnet
|
|
sessions were locking up when large amounts of data was to be sent *out*.
|
|
That is, if someone did a large directory listing or other function with
|
|
lots of output, their session would hang. The send buffer information in
|
|
'netstat' showed several thousand characters waiting to be sent, and the
|
|
session would be effectively frozen. This problem was acknoledged by
|
|
others at the time, but as in this case, no answers were provided. The
|
|
problem went away when moving to the 1.0 kernel. So *something* was done
|
|
bye *someone* for that one.
|
|
|
|
I'm new to all this, and don't know all the avenues to pursue. I'd
|
|
appreciate any help in getting this problem hilighted and information
|
|
flowing to the *someone* who understands how the net interfaces really
|
|
work and who can really and *finally* *fix* it! How do we proceed?
|
|
|
|
|
|
George Nemeyer (root@tigerden.com)
|
|
System Administrator
|
|
Tigerden.com
|
|
|
|
------------------------------
|
|
|
|
From: rat@stimpy.uams.edu (Robert A. Tiller)
|
|
Subject: Re: PROBLEM: Adaptec 1542 with SMC-Ultra
|
|
Date: 2 Oct 1994 18:04:11 GMT
|
|
|
|
Rob Janssen (rob@pe1chl.ampr.org) wrote:
|
|
: In <C4289.94Sep30125136@rphc2.physik.uni-regensburg.de> c4289@rphc2.physik.uni-regensburg.de (Olaf Jaeger) writes:
|
|
|
|
|
|
: >problem:
|
|
: > I am using an ISA-Adaptec-1542c and a SCSI-2-HD with an
|
|
: >ext2-filesystem V. 0.5a on it. From the time that i put a
|
|
: >SMC-Ultra into the machine, the filesystem on the HD begins to vanish.
|
|
|
|
: I think there is a hardware problem in the ethernet card that causes
|
|
: it to be incompatible with busmastering controllers.
|
|
|
|
: This has been mentioned some times before, but I don't exactly remember
|
|
: which version of the card fixed it.
|
|
|
|
I have been running Linux on a 486/33 with a WD8003 and a Buslogic
|
|
542b scsi controller connected to a sony 128MB MO drive. The MO
|
|
drive will give CRC errors on gziped files but not on tar files. Plus
|
|
the errors are intermitent. The ide drive if fine. Someone else
|
|
has mentioned that there are certain irq's and shared memory areas
|
|
on the ethernet cards that will not work with scsi controllers.
|
|
As an aside, when I looked at the system map in the middle
|
|
of the 8390.o area was a scsi command! I must confess that I
|
|
know nothing about the system map and am not sure if this
|
|
is a problem or not. I have not tried to change anything on
|
|
the ethercard to test this yet.
|
|
|
|
|
|
Robert Tiller
|
|
|
|
|
|
------------------------------
|
|
|
|
|
|
** FOR YOUR REFERENCE **
|
|
|
|
The service address, to which questions about the list itself and requests
|
|
to be added to or deleted from it should be directed, is:
|
|
|
|
Internet: Linux-Development-Request@NEWS-DIGESTS.MIT.EDU
|
|
|
|
You can send mail to the entire list (and comp.os.linux.development) via:
|
|
|
|
Internet: Linux-Development@NEWS-DIGESTS.MIT.EDU
|
|
|
|
Linux may be obtained via one of these FTP sites:
|
|
nic.funet.fi pub/OS/Linux
|
|
tsx-11.mit.edu pub/linux
|
|
sunsite.unc.edu pub/Linux
|
|
|
|
End of Linux-Development Digest
|
|
******************************
|