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
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