linux-kernel - X60s w/t kern 2.6.19-rc1-git: two BUG warnings

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Date:	Tue, 10 Oct 2006 08:28:26 +0200
From:	Martin Lorenz <martin@...enz.eu.org>
To:	linux-thinkpad@...ux-thinkpad.org
Cc:	linux-kernel@...r.kernel.org
Subject: X60s w/t kern 2.6.19-rc1-git: two BUG warnings

Dear kernel gurus,

whatever I do and whic problem I seem to get fixed new ones arise:

now I loose ACPI events after suspend/resume. not every time, but roughly 
3 out of 4 times.

the only errornous things I see in the logs are those: 

[ 6727.089000] BUG: warning at drivers/pci/msi.c:680/pci_enable_msi()
[ 6727.089000]  [<c0103bd9>] dump_trace+0x69/0x1af
[ 6727.089000]  [<c0103d37>] show_trace_log_lvl+0x18/0x2c
[ 6727.089000]  [<c01043d6>] show_trace+0xf/0x11
[ 6727.089000]  [<c01044d9>] dump_stack+0x15/0x17
[ 6727.089000]  [<c0208cd6>] pci_enable_msi+0x78/0x22e
[ 6727.090000]  [<c0257fe5>] e1000_open+0x64/0x176
[ 6727.091000]  [<c029b121>] dev_open+0x2b/0x62
[ 6727.092000]  [<c0299c2f>] dev_change_flags+0x47/0xe4
[ 6727.093000]  [<c02cdceb>] devinet_ioctl+0x252/0x556
[ 6727.094000]  [<c0290e9a>] sock_ioctl+0x19e/0x1c2
[ 6727.095000]  [<c016979b>] do_ioctl+0x1f/0x62
[ 6727.095000]  [<c0169a23>] vfs_ioctl+0x245/0x257
[ 6727.096000]  [<c0169a81>] sys_ioctl+0x4c/0x67
[ 6727.096000]  [<c0102dc3>] syscall_call+0x7/0xb
[ 6727.096000] DWARF2 unwinder stuck at syscall_call+0x7/0xb
[ 6727.096000]
[ 6727.096000] Leftover inexact backtrace:
[ 6727.096000]
[ 6727.096000]  [<c02e007b>] unix_stream_connect+0x15b/0x367
[ 6727.096000]  =======================

which occurs in variations but very often

and this one, which I noticed for the first time with the kernel I built
from tha git yesterday:

[19139.940000] BUG: warning at kernel/cpu.c:56/unlock_cpu_hotplug()
[19139.940000]  [<c0103bd9>] dump_trace+0x69/0x1af
[19139.940000]  [<c0103d37>] show_trace_log_lvl+0x18/0x2c
[19139.940000]  [<c01043d6>] show_trace+0xf/0x11
[19139.940000]  [<c01044d9>] dump_stack+0x15/0x17
[19139.940000]  [<c0135c47>] unlock_cpu_hotplug+0x3d/0x66
[19139.941000]  [<f92927f3>] do_dbs_timer+0x1c2/0x229 [cpufreq_ondemand]
[19139.941000]  [<c012cb21>] run_workqueue+0x83/0xc5
[19139.941000]  [<c012d445>] worker_thread+0xd9/0x10c
[19139.941000]  [<c012f9a6>] kthread+0xc2/0xf0
[19139.942000]  [<c0103987>] kernel_thread_helper+0x7/0x10
[19139.942000] DWARF2 unwinder stuck at kernel_thread_helper+0x7/0x10
[19139.942000]
[19139.942000] Leftover inexact backtrace:
[19139.942000]
[19139.942000]  =======================

dmesg log of latest startup is attached

gruss
  mlo
--
Dipl.-Ing. Martin Lorenz

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	    to obtain a little temporary safety 
	    deserve neither liberty nor safety.
                                   Benjamin Franklin

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