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    SubjectRe: 2.6.18-rc6-mm1
    Hi,

    Andrew Morton wrote:
    > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc6/2.6.18-rc6-mm1/
    >
    > - autofs4 mounting of NFS is still sick.

    BUG: unable to handle kernel paging request at virtual address fdb52df8
    printing eip:
    c013894c
    *pde = 37c85067
    *pte = 00000000
    Oops: 0000 [#1]
    4K_STACKS PREEMPT SMP
    last sysfs file: /devices/platform/i2c-9191/9191-0290/temp2_input
    Modules linked in: ipv6 af_packet ip_conntrack_netbios_ns ipt_REJECT xt_state ip_conntrack
    nfnetlink xt_tcpudp iptable_filter ip_tables x_tables cpufreq_userspace p4_clockmod speedstep_lib binfmt_misc thermal proces
    sor fan container evdev snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_se
    q_device sk98lin snd_pcm_oss snd_mixer_oss snd_pcm skge snd_timer snd soundcore snd_page_alloc ide_cd i2c_i801 iTCO_wdt inte
    l_agp cdrom agpgart rtc unix
    CPU: 0
    EIP: 0060:[<c013894c>] Not tainted VLI
    EFLAGS: 00210212 (2.6.18-rc6-mm1 #115)
    EIP is at __module_text_address+0xf/0x5c
    eax: fdb54000 ebx: fdb67c04 ecx: f7c10000 edx: fdb52d00
    esi: 000000fa edi: f7c10f9c ebp: 00000005 esp: f7c10e68
    ds: 007b es: 007b ss: 0068
    Process udevd (pid: 20250, ti=f7c10000 task=f7c21000 task.ti=f7c10000)
    Stack: f7c10000 c5f36030 c012fb6c f7c10000 c014f61b c0341710 000284d0 00000010
    f7c21000 00000002 f7c10000 00200202 f57ce3c0 f52a8bfc f57ce3c0 f76a6ca4
    f4a3c800 c01575e4 f52a8bfc f7d31ec0 f76a6ca4 80010000 c015894c f76a6ca4
    Call Trace:
    [<c012fb6c>] __kernel_text_address+0x18/0x23
    [<c014f61b>] __alloc_pages+0x301/0x313
    [<c01575e4>] __pte_alloc+0xf/0x78
    [<c015894c>] copy_page_range+0x139/0x3dd
    [<c011e67b>] copy_process+0xc1e/0x13cf
    [<c011f001>] do_fork+0xb6/0x1d2
    [<c017cdfa>] mntput_no_expire+0x11/0x81
    [<c010122e>] sys_clone+0x28/0x2d
    [<c0102fc6>] sysenter_past_esp+0x5f/0x85
    [<c0110033>] wakeup_pmode_return+0x33/0x55
    =======================
    Code: 31 c0 5b 5e 5f 5d c3 83 01 01 83 51 04 00 8b 12 31 c0 81 fa 10 eb 33 c0 0f 45 c2 c3 5
    6 53 89 c1 8b 15 10 eb 33 c0 83 ea 04 eb 20 <8b> b2 f8 00 00 00 8b 82 e8 00 00 00 39 c1 72 23 01 f0 39 c1 73
    Sep 8 20:23:34 euridica kernel: EIP: [<c013894c>] __module_text_address+0xf/0x5c SS:ESP 0068:f7c10e68

    config file -> http://www.stardust.webpages.pl/files/mm/2.6.18-rc6-mm1/mm-config
    Unfortunately, this kernel was build without debugging symbols. I'll try to reproduce this oops with CONFIG_DEBUG_*=y.

    Ingo, can you take a look at this?

    BUG: warning at /usr/src/linux-mm/kernel/lockdep.c:2359/check_flags()
    [<c01041ca>] dump_trace+0x63/0x1ca
    [<c0104343>] show_trace_log_lvl+0x12/0x25
    [<c01049a3>] show_trace+0xd/0x10
    [<c0104a68>] dump_stack+0x16/0x18
    [<c0138553>] check_flags+0x92/0x220
    [<c013b033>] lock_acquire+0x3a/0x88
    [<c0136d32>] down_write+0x28/0x43
    [<c0164a9b>] sys_brk+0x20/0xd6
    [<c0103166>] sysenter_past_esp+0x5f/0x99
    DWARF2 unwinder stuck at sysenter_past_esp+0x5f/0x99

    Leftover inexact backtrace:

    =======================
    irq event stamp: 603424
    hardirqs last enabled at (603423): [<c0103238>] restore_nocheck+0x12/0x15
    hardirqs last disabled at (603424): [<c0103173>] sysenter_past_esp+0x6c/0x99
    softirqs last enabled at (603376): [<c0126a61>] __do_softirq+0xe4/0xea
    softirqs last disabled at (603371): [<c0105b3b>] do_softirq+0x6d/0x11f

    config file -> http://www.stardust.webpages.pl/files/mm/2.6.18-rc6-mm1/mm-config2
    http://www.stardust.webpages.pl/files/mm/2.6.18-rc6-mm1/mm-dmesg

    Regards,
    Michal

    --
    Michal K. K. Piotrowski
    LTG - Linux Testers Group
    (http://www.stardust.webpages.pl/ltg/)
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