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    SubjectRe: 2.6.23-rc4-mm1 OOPS in forcedeth?
    From: Satyam Sharma <>
    Date: Sun, Sep 02, 2007 at 06:24:29AM +0530
    > The dmesg you posted below doesn't cover the messages from this oops
    > itself. As you mentioned you can reproduce this oops easily, please do so,
    > and post the *full* oops log (if it doesn't get logged to disk, you can
    > try taking digicam photo, or write down *all* the messages and post here).
    > I built an x86_64 kernel as per your .config, but don't see any memory
    > dereference at nv_napi_poll+0x108 -- could be toolchain differences.
    > Else, can you run:
    > $ gdb ./vmlinux
    > and then:
    > (gdb) l *nv_napi_poll+0x108
    > and send us the output?
    That seems to be the easier option:

    AMD64 :gdb /usr/src/linux-2.6.23-rc4-mm1/vmlinux
    GNU gdb 6.6-debian
    (gdb) l *nv_napi_poll+0x108
    0xffffffff80418f28 is in nv_napi_poll (drivers/net/forcedeth.c:2470).
    2465 if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK2)/*ip and tcp */ {
    2466 skb->ip_summed = CHECKSUM_UNNECESSARY;
    2467 } else {
    2468 if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK1 ||
    2469 (flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK3) {
    2470 skb->ip_summed = CHECKSUM_UNNECESSARY;
    2471 }
    2472 }
    2474 /* got a valid packet - forward it to the network core */
    (gdb) q

    as for toolchain differences: this is Debian Unstable, up-to-date as of
    yesterday morning.

    If some fields are empty or look unusual you may have an old version.
    Compare to the current minimal requirements in Documentation/Changes.

    Linux middle 2.6.23-rc1-mm2 #1 SMP Wed Aug 1 14:58:22 CEST 2007 x86_64 GNU/Linux

    Gnu C 4.1.3
    Gnu make 3.81
    binutils Binutils
    util-linux 2.13
    mount 2.13
    module-init-tools 3.3-pre11
    e2fsprogs 1.40.2
    reiserfsprogs 3.6.19
    Linux C Library 6.1
    Dynamic linker (ldd) 2.6.1
    Procps 3.2.7
    Net-tools 1.60
    Console-tools 0.2.3
    Sh-utils 5.97
    Modules Loaded nf_nat_ftp nf_nat_irc nf_conntrack_irc nf_conntrack_ftp ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT ipt_LOG xt_limit nf_conntrack_ipv4 xt_state xt_tcpudp iptable_filter ip_tables x_tables snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_emu10k1 snd_seq_dummy snd_seq_oss snd_seq_midi snd_seq_midi_event snd_seq snd_rawmidi snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_device snd_timer snd_page_alloc snd_util_mem snd_hwdep snd soundcore k8temp it87 hwmon_vid hwmon i2c_nforce2

    Good luck,
    His pride could withstand anything. He simply wouldn't care.
    Melanie Rawn - Skybowl
    Debian (Unstable) GNU/Linux 2.6.23-rc1-mm2 2x2010 bogomips load 0.43
    the Jack Vance Integral Edition:
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