Bug#632188: linux-image-2.6.39-2-amd64: Problem Activating ATI Mobility Radeon X1400 Power-saving feature with open-source driver
On Thu, Jun 30, 2011 at 04:11:02PM +0430, Keivan Moradi wrote:
> Package: linux-2.6
> Version: 2.6.39-2
> Severity: normal
>
> I have an ATI Mobility radeon X1400 (RV500 Family) GPU in my Dell Inspiron 6400
> laptop. When I want to activate the power-saving feature using these commands:
>
> echo profile > /sys/class/drm/card0/device/power_method
> echo low > /sys/class/drm/card0/device/power_profile
>
> there is an error in the kernel level:
>
> Message from syslogd@keivan-laptop at Jun 30 03:22:23 ...
> kernel:[ 106.676918] NMI: PCI system error (SERR) for reason b1 on CPU 0.
>
> Message from syslogd@keivan-laptop at Jun 30 03:22:23 ...
> kernel:[ 106.676921] Dazed and confused, but trying to continue
>
> I have already had a discussion in the LMDE forum about this and I think It's
> time to report this bug. This is the link of our discussion:
> http://forum.linuxmint.com/viewtopic.php?f=141&t=75962&p=440838#p440838
>
did you try 3.0-rc5 from experimental?
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