Re: mysterious 2.0.33 crashes

David Hinkle (drachen@netexpress.net)
Thu, 12 Feb 1998 10:29:53 -0600


The teardrop attack will reboot an unpatched linux machine, perhaps you
could try to install the patch from linux.org.

Patrick D. Wildi wrote:

> Could anybody sugest a good (or any) method for debugging my
>
> mysterious reboots.
> Every few hours to few days one of my linux boxes restarts
> without
> leaving any indications in the log files (I administrate
> this machine
> remotely). I have these problems since I replaced on old
> server with
> this new HW. The software running is pretty much the same.
>
> The linux is a networking (masquerading, diald, ppp) and
> file
> server (samba) for a bnunch of Win95 machines.
>
> The HW:
> Pentium II (Dell Poweredge), 64 MB RAM
> Adaptec AIC-7880 SCSI controller
> 2 Western Digital 4MB (WDE4360-1807A3)
> 1 3com 3c905 10/100 Ethernet card (used at 10 Mbit)
> UPS
>
> The SW:
> based on Slackware 3.4 distribution
> kernel 2.0.33 with patches: aic7xxx-5.0.5, 3c59x.c v0.49
> ld.so-1.9.5, libc 5.4.33
> diald 0.16.4
> samba 1.9.18p2
> squid 1.1.20
>
> TIA, Patrick
>
> bryce [/proc] cat pci
> PCI devices found:
> Bus 0, device 20, function 0:
> VGA compatible controller: ATI Mach64 VT (rev 64).
> Medium devsel. Fast back-to-back capable. IRQ 236.
> Prefetchable 32 bit memory at 0xfc000000.
> I/O at 0xf400.
> Bus 0, device 18, function 0:
> Ethernet controller: 3Com 3C905 100bTX (rev 0).
> Medium devsel. IRQ 15. Master Capable. Latency=64.
> Min Gnt=3.Max Lat=8.
> I/O at 0xf0c0.
> Bus 0, device 15, function 0:
> SCSI storage controller: Adaptec AIC-7880U (rev 0).
> Medium devsel. Fast back-to-back capable. IRQ 14.
> Master Capable. Latency=64. Min Gnt=8.Max Lat=8.
> I/O at 0xf800.
> Non-prefetchable 32 bit memory at 0xfdfff000.
> Bus 0, device 13, function 0:
> Non-VGA device: Intel 82375EB (rev 21).
> Medium devsel. Master Capable. Latency=248.
> Bus 0, device 0, function 0:
> Host bridge: Intel 82441FX Natoma (rev 2).
> Medium devsel. Fast back-to-back capable. Master
> Capable. Latency=32.
>
> bryce [/proc] cat scsi/scsi
> Attached devices:
> Host: scsi0 Channel: 00 Id: 00 Lun: 00
> Vendor: WDIGTL Model: WDE4360-1807A3 Rev: 1.80
> Type: Direct-Access ANSI SCSI
> revision: 02
> Host: scsi0 Channel: 00 Id: 01 Lun: 00
> Vendor: WDIGTL Model: WDE4360-1807A3 Rev: 1.80
> Type: Direct-Access ANSI SCSI
> revision: 02
> Host: scsi0 Channel: 00 Id: 05 Lun: 00
> Vendor: NEC Model: CD-ROM DRIVE:464 Rev: 1.05
> Type: CD-ROM ANSI SCSI
> revision: 02
> Host: scsi0 Channel: 00 Id: 06 Lun: 00
> Vendor: ARCHIVE Model: Python 00095-001 Rev: 5.ac
> Type: Sequential-Access ANSI SCSI
> revision: 02
>
> -------------------------------------------------------------------
> Patrick D. Wildi patrick@wildi.com
> http://www.wildi.com/

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