Re: [BUG] While changing the cpufreq governor, kernel hits a bugin workqueue.c

[Nageswara R Sastry]

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/