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Date:	Sun, 17 Jan 2010 11:28:02 +0200
From:	Ozan Çağlayan <>
To:	Thomas Gleixner <>
CC:	Xiaotian Feng <>,,,,,
Subject: Re: [RFC PATCH 0/4] clockevents: fix clockevent_devices list corruption
 after cpu hotplug

Thomas Gleixner wrote:

> I'm not happy about that churn. Why don't we simply scan the
> clockevent_devices list for leftovers of the dead CPU ?
> Untested patch below solves the same problem.

Hi, I have 3 bug reports about a clockevent failure while halting the system ( kernel).
It exactly pinpoints to the line 262 which got changed with this patch merged to (and also

[4406.986777] kernel BUG at kernel/time/clockevents.c:262!
[4406.986777] invalid opcode: 0000 [#1] SMP
[4406.986777] last sysfs file: /sysfs/module/ip_tables/initstate

All 3 systems have Pentium 4 processors with different clock speeds.

Here's a screenshot of the full stacktrace:

and the relevant bugzilla report:

Ozan Caglayan
Pardus Linux --
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