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    SubjectRe: 2.6.18-rc4-mm1
    Andrew Morton wrote:
    > On Mon, 14 Aug 2006 16:02:52 +0200
    > "Michal Piotrowski" <michal.k.k.piotrowski@gmail.com> wrote:
    >
    >> On 13/08/06, Andrew Morton <akpm@osdl.org> wrote:
    >>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc4/2.6.18-rc4-mm1/
    >>>
    >> Aug 14 15:35:10 ltg01-fedora kernel: BUG: unable to handle kernel
    >> paging request at virtual address fffeffbf
    >> Aug 14 15:35:10 ltg01-fedora kernel: printing eip:
    >> Aug 14 15:35:10 ltg01-fedora kernel: c013d539
    >> Aug 14 15:35:10 ltg01-fedora kernel: *pde = 00004067
    >> Aug 14 15:35:10 ltg01-fedora kernel: *pte = 00000000
    >> Aug 14 15:35:10 ltg01-fedora kernel: Oops: 0000 [#1]
    >> Aug 14 15:35:10 ltg01-fedora kernel: 4K_STACKS PREEMPT SMP
    >> Aug 14 15:35:10 ltg01-fedora kernel: last sysfs file:
    >> /devices/platform/i2c-9191/9191-0290/temp2_input
    >> Aug 14 15:35:10 ltg01-fedora kernel: Modules linked in: ipv6 w83627hf
    >> hwmon_vid hwmon i2c_isa 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 spe
    >> edstep_lib binfmt_misc thermal processor fan container evdev
    >> snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_
    >> oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss
    >> snd_mixer_oss snd_pcm sk98lin snd_timer skge snd soundcore snd_pag
    >> e_alloc ide_cd intel_agp agpgart cdrom i2c_i801 rtc unix
    >> Aug 14 15:35:10 ltg01-fedora kernel: CPU: 1
    >> Aug 14 15:35:10 ltg01-fedora kernel: EIP: 0060:[<c013d539>] Not
    >> tainted VLI
    >> Aug 14 15:35:10 ltg01-fedora kernel: EFLAGS: 00210286 (2.6.18-rc4-mm1 #97)
    >> Aug 14 15:35:10 ltg01-fedora kernel: EIP is at futex_wake+0x9c/0xcb
    >> Aug 14 15:35:10 ltg01-fedora kernel: eax: 0808c000 ebx: c0670a60
    >> ecx: d3a1dfa2 edx: fffeffbf
    >> Aug 14 15:35:10 ltg01-fedora kernel: esi: 00000000 edi: fffeffbf
    >> ebp: f4896f64 esp: f4896f40
    >> Aug 14 15:35:10 ltg01-fedora kernel: ds: 007b es: 007b ss: 0068
    >> Aug 14 15:35:10 ltg01-fedora kernel: Process firefox-bin (pid: 2210,
    >> ti=f4896000 task=f3d180f0 task.ti=f4896000)
    >> Aug 14 15:35:10 ltg01-fedora kernel: Stack: c0670a80 00000001 0808c000
    >> f4302e74 00000044 ffffffe7 0808c044 bf8f35b0
    >> Aug 14 15:35:10 ltg01-fedora kernel: 00000000 f4896f7c c013ed39
    >> 00000001 0808c044 7fffffff bf8f35b0 f4896fb4
    >> Aug 14 15:35:10 ltg01-fedora kernel: c013ee84 7fffffff bf8f35b0
    >> 00000000 bf8f3528 00000000 f4896fa8 00000000
    >> Aug 14 15:35:10 ltg01-fedora kernel: Call Trace:
    >> Aug 14 15:35:10 ltg01-fedora kernel: [<c013ed39>] do_futex+0x3c/0x92
    >> Aug 14 15:35:10 ltg01-fedora kernel: [<c013ee84>] sys_futex+0xf5/0x101
    >> Aug 14 15:35:11 ltg01-fedora kernel: [<c010312d>] sysenter_past_esp+0x56/0x8d
    >> Aug 14 15:35:11 ltg01-fedora kernel: [<b7f1d410>] 0xb7f1d410
    >> Aug 14 15:35:11 ltg01-fedora kernel: [<c0103fc1>] show_trace_log_lvl+0x12/0x22
    >> Aug 14 15:35:11 ltg01-fedora kernel: [<c0104067>] show_stack_log_lvl+0x87/0x8f
    >> Aug 14 15:35:11 ltg01-fedora kernel: [<c0104203>] show_registers+0x151/0x1d8
    >> Aug 14 15:35:11 ltg01-fedora kernel: [<c010444d>] die+0x120/0x1f0
    >> Aug 14 15:35:11 ltg01-fedora kernel: [<c01185cf>] do_page_fault+0x49d/0x580
    >> Aug 14 15:35:11 ltg01-fedora kernel: [<c0303ba9>] error_code+0x39/0x40
    >> Aug 14 15:35:11 ltg01-fedora kernel: [<c013ed39>] do_futex+0x3c/0x92
    >> Aug 14 15:35:11 ltg01-fedora kernel: [<c013ee84>] sys_futex+0xf5/0x101
    >> Aug 14 15:35:11 ltg01-fedora kernel: [<c010312d>] sysenter_past_esp+0x56/0x8d
    >> Aug 14 15:35:11 ltg01-fedora kernel: =======================
    >> Aug 14 15:35:11 ltg01-fedora kernel: Code: 45 e8 39 41 04 75 22 8b 45
    >> ec 39 41 08 75 1a 83 7a 48 00 74 07 be ea ff ff ff eb
    >> 16 89 d0 46 e8 00 fd ff ff 3b 75 e0 7d 09 89 fa <8b> 3f 3b 55 dc eb c0
    >> 89 d8 e8 bd 60 1c 00 89 e0 25 00 f0 ff ff
    >> Aug 14 15:35:11 ltg01-fedora kernel: EIP: [<c013d539>]
    >> futex_wake+0x9c/0xcb SS:ESP 0068:f4896f40
    >
    > This is worrisome. Is it reproducible?

    I don't know how to reproduce it, but it happened second time today.

    > If so, reverting
    > futex_handle_fault-always-fails.patch and retesting would be useful.

    I reverted this patch.

    >
    > (please kill the wordwrapping in your email client, btw).
    >
    >
    >

    Regards,
    Michal

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