[Bug #11380] lockdep warning: cpu_add_remove_lock at:cpu_maps_update_begin+0x14/0x16

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From: Rafael J. Wysocki
Date: Saturday, October 25, 2008 - 2:07 pm

This message has been generated automatically as a part of a report
of regressions introduced between 2.6.26 and 2.6.27.

The following bug entry is on the current list of known regressions
introduced between 2.6.26 and 2.6.27.  Please verify if it still should
be listed and let me know (either way).


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=11380
Subject		: lockdep warning: cpu_add_remove_lock at:cpu_maps_update_begin+0x14/0x16
Submitter	: Ingo Molnar <mingo@elte.hu>
Date		: 2008-08-20 6:44 (67 days old)
References	: http://marc.info/?l=linux-kernel&m=121921480931970&w=4


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Messages in current thread:
2.6.28-rc1-git1: Reported regressions 2.6.26 -&gt; 2.6.27, Rafael J. Wysocki, (Sat Oct 25, 2:04 pm)
[Bug #11207] VolanoMark regression with 2.6.27-rc1, Rafael J. Wysocki, (Sat Oct 25, 2:04 pm)
[Bug #11210] libata badness, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11220] Screen stays black after resume, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11215] INFO: possible recursive locking detected ps2 ..., Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11264] Invalid op opcode in kernel/workqueue, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11209] 2.6.27-rc1 process time accounting, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11340] LTP overnight run resulted in unusable box, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11308] tbench regression on each kernel release from ..., Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11271] BUG: fealnx in 2.6.27-rc1, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11272] BUG: parport_serial in 2.6.27-rc1 for NetMos ..., Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11380] lockdep warning: cpu_add_remove_lock at:cpu_m ..., Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11404] BUG: in 2.6.23-rc3-git7 in do_cciss_intr, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11407] suspend: unable to handle kernel paging request, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11505] oltp ~10% regression with 2.6.27-rc5 on stoak ..., Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11476] failure to associate after resume from suspen ..., Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11543] kernel panic: softlockup in tick_periodic() ???, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11669] when CPU hotplugging is disabled, nr_cpu_ids ..., Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11608] 2.6.27-rc6 BUG: unable to handle kernel pagin ..., Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11664] acpi errors and random freeze on sony vaio sr, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11569] Panic stop CPUs regression, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11699] 2.6.27-rc-7: BUG: scheduling while atomic, c1 ..., Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11698] 2.6.27-rc7, freezes with &amp;gt; 1 s2ram cycle, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11721] after upgrade to 2.6.27 i cannot navigate, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11831] NULL pointer derefence since 2.6.27 in (e)poll, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11830] disk statistics issue in 2.6.27, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11820] 2.6.27: 0 MHz CPU and wrong system time on AM ..., Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11843] usb hdd problems with 2.6.27.2, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
[Bug #11836] Scheduler on C2D CPU and latest 2.6.27 kernel, Rafael J. Wysocki, (Sat Oct 25, 2:07 pm)
Re: [Bug #11543] kernel panic: softlockup in tick_periodic ..., Rafael J. Wysocki, (Sun Oct 26, 4:03 am)
Re: [Bug #11669] when CPU hotplugging is disabled, nr_cpu_ ..., Rafael J. Wysocki, (Sun Oct 26, 3:20 pm)