From: Dave Jones <davej@redhat.com>
To: art <art@usfltd.com>
Cc: linux-kernel@vger.kernel.org, michal.k.k.piotrowski@gmail.com
Subject: Re: 2.6.18-rc3-g3b445eea BUG: warning at /usr/src/linux-git/kernel/cpu.c:51/unlock_cpu_hotplug()
Date: Sat, 5 Aug 2006 21:23:20 -0400 [thread overview]
Message-ID: <20060806012320.GI13393@redhat.com> (raw)
In-Reply-To: <20060805221410.22397.qmail@mail.webhostingstar.com>
On Sat, Aug 05, 2006 at 05:14:10PM -0500, art wrote:
> same for 2.6.18.rc3-git7 on smp amd64 x2 (dualcore)
> after
> # echo "ondemand" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
>
> dmesg
>
> ....
> SELinux: initialized (dev sdb1, type vfat), uses genfs_contexts
> Lukewarm IQ detected in hotplug locking
> BUG: warning at kernel/cpu.c:38/lock_cpu_hotplug()
>
> Call Trace:
> [<ffffffff802a0e72>] lock_cpu_hotplug+0x50/0x73
> [<ffffffff80299a36>] __create_workqueue+0x5d/0x146
> [<ffffffff803f437d>] cpufreq_governor_dbs+0xa8/0x2f4
> [<ffffffff803f22ac>] __cpufreq_governor+0xa4/0x194
> [<ffffffff803f2516>] __cpufreq_set_policy+0x17a/0x1f4
> [<ffffffff803f2792>] store_scaling_governor+0x17c/0x1d8
> [<ffffffff803f35f8>] handle_update+0x0/0x28
> [<ffffffff8026650b>] _spin_unlock_irqrestore+0x15/0x30
> [<ffffffff803f1a00>] cpufreq_cpu_get+0xb5/0x143
> [<ffffffff80272dbf>] store+0x44/0x5b
> [<ffffffff802f1ddc>] sysfs_write_file+0xc5/0xf4
> [<ffffffff80215e1b>] vfs_write+0xce/0x174
> [<ffffffff802166a9>] sys_write+0x45/0x6e
> [<ffffffff8025fa8e>] system_call+0x7e/0x83
Ok, these should be fixed with Andrews voodoo patches to the workqueue code.
Dave
--
http://www.codemonkey.org.uk
next prev parent reply other threads:[~2006-08-06 1:23 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-05 22:14 2.6.18-rc3-g3b445eea BUG: warning at /usr/src/linux-git/kernel/cpu.c:51/unlock_cpu_hotplug() art
2006-08-06 1:23 ` Dave Jones [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-08-04 19:04 Michal Piotrowski
2006-08-04 19:24 ` Linus Torvalds
2006-08-04 22:24 ` Dave Jones
2006-08-05 0:31 ` Dave Jones
2006-08-05 2:10 ` Dave Jones
2006-08-05 2:23 ` Dave Jones
2006-08-05 2:49 ` Dave Jones
2006-08-05 6:47 ` Dave Jones
2006-08-05 7:46 ` Andrew Morton
2006-08-05 19:47 ` Dave Jones
2006-08-05 20:02 ` Andrew Morton
2006-08-06 1:12 ` Andrew Morton
2006-08-05 10:54 ` Michal Piotrowski
2006-08-05 11:11 ` Michal Piotrowski
2006-08-05 11:26 ` Michal Piotrowski
2006-08-05 18:47 ` Dave Jones
2006-08-05 21:15 ` Michal Piotrowski
2006-08-06 16:59 ` Michal Piotrowski
2006-08-06 18:05 ` Dave Jones
2006-08-06 19:32 ` Andrew Morton
2006-08-07 1:26 ` Andi Kleen
2006-08-07 8:18 ` Jan Beulich
2006-08-15 12:23 ` Jan Beulich
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