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    SubjectRe: Kernel-oops
    Dear Dave,

    > Is this a machine that had previously been running without a
    > problem? I ask because that would mostly eliminate the issue of
    > incompatibilities. Right off, I'll say that it's my experience that
    > kernel oopses are usually memory or hardware fault related. In order
    > to test this hypothesis, you can try:

    the problem is, that the machine ran without any problem until I
    upgraded to kernel version 2.4.18. Originally I used the kernel which
    was provided by the SuSE 8.0-CDs (2.4.18-4GB). Later I compiled my own
    kernel, I upgraded to 2.4.19 but nothing helped.


    > 1. removing all but one memory module and see if you keep getting oopses. If
    > they continue, take that one out and try another. Cycle them all through in
    > this manner to see if this might cause a problem. Also, try running memtest86
    > for 24 hours of so. I think you can find it on Freshmeat.

    I think it's not very likely that the problem is due to a hardware
    problem as the first oops I ever got (after several years of happy
    Linuxing) happened at the day I upgraded to 2.4.18-4GB and it never
    stopped since then. I had memtest86 running once for several hours
    which reported no problem.


    > 3. After all that, the possibility does exist that there's a bug in a driver
    > for one of your devices. Make sure that you're using the latest version of
    > the kernel.

    I do (2.4.19). BTW, I don't have any special devices running (serial
    mouse, ATA CD-ROM, SB16 Soundcard, Matrox Mystique Graphics-Card, the
    streamer I have and which works smoothlessly is normally not activated
    as the corresponding modules are not loaded).

    > If you are, paste the text of the oops into an email to
    > linux-kernel, along with a description of when it seems to happen, or any
    > other information that might help: the contents of /proc/pci, output of
    > lsmod... I think there's a FAQ somewhere that describes what you should
    > include, but I don't remember where it is.

    I can't find any regularity in when it happens.

    /proc/pci:
    cat /proc/pci
    PCI devices found:
    Bus 0, device 0, function 0:
    Host bridge: Intel Corp. 430HX - 82439HX TXC [Triton II] (rev 3).
    Master Capable. Latency=32.
    Bus 0, device 7, function 0:
    ISA bridge: Intel Corp. 82371SB PIIX3 ISA [Natoma/Triton II] (rev 1).
    Bus 0, device 7, function 1:
    IDE interface: Intel Corp. 82371SB PIIX3 IDE [Natoma/Triton II] (rev 0).
    Master Capable. Latency=32.
    I/O at 0xf000 [0xf00f].
    Bus 0, device 10, function 0:
    VGA compatible controller: Matrox Graphics, Inc. MGA 1064SG [Mystique] (rev 2).
    IRQ 11.
    Master Capable. Latency=32.
    Non-prefetchable 32 bit memory at 0xe1000000 [0xe1003fff].
    Prefetchable 32 bit memory at 0xe0000000 [0xe07fffff].
    Non-prefetchable 32 bit memory at 0xe0800000 [0xe0ffffff].


    /sbin/lsmod:
    Module Size Used by Not tainted
    ipt_TCPMSS 2368 0 (autoclean)
    ipt_TOS 1024 0 (autoclean)
    ipt_state 608 0 (autoclean)
    ipt_LOG 3168 0 (autoclean)
    ip_nat_ftp 2944 0 (unused)
    ip_conntrack_ftp 3200 0 (unused)
    ppp_deflate 39456 0 (autoclean)
    bsd_comp 4032 0 (autoclean)
    ppp_async 6336 0 (autoclean)
    snd-mixer-oss 8736 1 (autoclean)
    snd-pcm-oss 34628 0 (autoclean)
    autofs 8868 1 (autoclean)
    parport_pc 11972 1 (autoclean)
    lp 5856 0 (autoclean)
    parport 13888 1 (autoclean) [parport_pc lp]
    snd-opl3-synth 8476 0 (unused)
    snd-seq-instr 4224 0 [snd-opl3-synth]
    snd-seq-midi-emul 4464 0 [snd-opl3-synth]
    snd-seq 33292 0 [snd-opl3-synth snd-seq-instr snd-seq-midi-emul]
    snd-ainstr-fm 1332 0 [snd-opl3-synth]
    snd-sb16 3236 1
    snd-sb16-csp 15072 0 [snd-sb16]
    snd-opl3-lib 5152 0 [snd-opl3-synth snd-sb16]
    snd-hwdep 3456 0 [snd-sb16-csp snd-opl3-lib]
    snd-sb16-dsp 5248 0 [snd-sb16]
    snd-pcm 46912 0 [snd-pcm-oss snd-sb16-dsp]
    snd-timer 9088 0 [snd-seq snd-opl3-lib snd-pcm]
    snd-sb-common 6056 0 [snd-sb16 snd-sb16-csp snd-sb16-dsp]
    snd-mpu401-uart 2592 0 [snd-sb16 snd-sb16-dsp]
    snd-rawmidi 11776 0 [snd-mpu401-uart]
    snd-seq-device 3696 0 [snd-opl3-synth snd-seq snd-opl3-lib snd-rawmidi]
    snd 23592 0 [snd-mixer-oss snd-pcm-oss snd-opl3-synth snd-seq-instr snd-seq snd-sb16 snd-sb16-csp snd-opl3-lib snd-hwdep snd-sb16-dsp snd-pcm snd-timer snd-sb-common snd-mpu401-uart snd-rawmidi snd-seq-device]
    soundcore 3492 6 [snd]
    ipv6 124864 -1 (autoclean)
    ppp_generic 16236 0 (autoclean) [ppp_deflate bsd_comp ppp_async]
    slhc 4480 0 (autoclean) [ppp_generic]
    ipt_REJECT 2784 0 (autoclean)
    iptable_mangle 2112 0 (autoclean)
    iptable_nat 13076 1 (autoclean) [ip_nat_ftp]
    ip_conntrack 13228 3 (autoclean) [ipt_state ip_nat_ftp ip_conntrack_ftp iptable_nat]
    iptable_filter 1728 0 (autoclean)
    ip_tables 10528 10 [ipt_TCPMSS ipt_TOS ipt_state ipt_LOG ipt_REJECT iptable_mangle iptable_nat iptable_filter]
    md 56896 0 (autoclean)


    What makes me wonder is the message from Sep 16 saying:
    Sep 16 14:31:18 erde kernel: kernel BUG at page_alloc.c:206!


    > I hope this helps! Sorry I can't be more specific. I'm not really a kernel guy
    > - I just try to keep up with all of the goings-on! :-)

    Thanks for your suggestions. I hope we can find the problem.

    Andreas

    --
    Andreas Bergen
    E-Mail: andreas.bergen@online.de
    PGP-Key on keyservers.
    "Freuet euch in dem Herrn allewege, und abermals sage ich: Freuet euch!" Phi 4,4
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