lkml.org 
[lkml]   [2008]   [Jun]   [27]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateFri, 27 Jun 2008 09:42:09 +0530
FromNageswara R Sastry <>
SubjectRe: [BUG] While changing the cpufreq governor, kernel hits a bug in workqueue.c
Nageswara R Sastry wrote:
Hi,
>> =======================================================
>> [ INFO: possible circular locking dependency detected ]
>> 2.6.25.7.cpufreq_patch #2
>> -------------------------------------------------------
[...]

> While running the script I observed no stack trace but sysfs hang for a 
> particular file like scaling_governor under cpufreq for a particular cpu 
> (this cpu is varying). In the following run I experienced with cpu4.
> 
> cat /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
> 
> The above command is not giving any result and it won't be coming out 
> after pressing ctrl+c or ctrl+z


Applied both the patches and it seems working fine - no stack trace, but 
the above "mentioned circular locking dependency and sysfs file hang" 
are existing.
Thanks
Regards
R.Nageswara Sastry


\
 
 \ /
  Last update: 2008-06-27 06:15    [from the cache]
©2003-2008