Subject: Strange Panic (Deadlock)

From: Badalian Vyacheslav <[email-masked]>
Date: Mon, 24 Dec 2007 18:12:01 +0300

Hello all. Some time machine freeze. No information on monitor. No
rebooting on sysctl "kernel.panic".
Any idea?

Catched by netconsole:
[91922.085864] ------------[ cut here ]------------
[91922.085975] kernel BUG at kernel/timer.c:606!
[91922.086058] invalid opcode: 0000 [#1]
[91922.086127] SMP
[91922.086201] Modules linked in: netconsole cls_u32 sch_sfq sch_htb
xt_tcpudp iptable_filter ip_tables x_tables i2c_i801 i2c_core
[91922.086386] CPU:    1
[91922.086387] EIP:    0060:[<c0127387>]    Not tainted VLI
[91922.086389] EFLAGS: 00010087   (2.6.23-gentoo-r4-fw #4)
[91922.086600] EIP is at cascade+0x34/0x4f
[91922.086669] eax: c0452200   ebx: f450408c   ecx: 00000022   edx: f3c6e08c
[91922.086740] esi: 00000022   edi: c21ce000   ebp: 00000001   esp: c21c3ef8
[91922.086815] ds: 007b   es: 007b   fs: 00d8  gs: 0000  ss: 0068
[91922.086885] Process swapper (pid: 0, ti=c21c2000 task=c21af000
task.ti=c21c2000)
[91922.086954] Stack: f3c6e08c c21bfb74 00000000 c21ce000 0000000a
c012767a c21af000 00000001
[91922.087119]        c21c3f18 c0106963 c21c3f68 00000001 00000021
c03c0b08 0000000a c0124556
[91922.087285]        00000046 00000000 c21c2008 00000000 c01245ec
c2015120 c0114a11 00000046
[91922.087451] Call Trace:
[91922.087586]  [<c012767a>] run_timer_softirq+0x51/0x154
[91922.087669]  [<c0106963>] profile_pc+0x21/0x46
[91922.087752]  [<c0124556>] __do_softirq+0x5d/0xc1
[91922.087833]  [<c01245ec>] do_softirq+0x32/0x36
[91922.087915]  [<c0114a11>] smp_apic_timer_interrupt+0x74/0x80
[91922.087997]  [<c010484c>] apic_timer_interrupt+0x28/0x30
[91922.088076]  [<c0102255>] mwait_idle_with_hints+0x3b/0x3f
[91922.088162]  [<c0102259>] mwait_idle+0x0/0xa
[91922.088237]  [<c0102398>] cpu_idle+0x91/0xaa
[91922.088319]  =======================
[91922.088390] Code: 08 8d 04 ca 8b 10 89 62 04 89 14 24 8b 50 04 89 22
89 00 89 54 24 04 8b 14 24 89 40 04 8b 1a eb 19 8b 42 14 83 e0 fe 39 f8
74 04 <0f> 0b eb fe 89 f8 e8 d8 fe ff ff 89 da 8b 1b 39 e2 75 e3 59 89
[91922.088864] EIP: [<c0127387>] cascade+0x34/0x4f SS:ESP 0068:c21c3ef8