pipe B assertion failure (expected off, current on)

Bjørn Mork bjorn at mork.no
Thu Oct 11 08:47:58 PDT 2012

Daniel Vetter <daniel.vetter at ffwll.ch> writes:
> On Thu, Oct 11, 2012 at 4:13 PM, Bjørn Mork <bjorn at mork.no> wrote:
>> Let me know if you want ot have more details about these warnings.
>> Otherwise I'll just keep ignoring them ;-)
> The drm-intel-fixes branch from
> http://cgit.freedesktop.org/~danvet/drm-intel has a patch to fix some
> of the already reported WARNs. Note that the issue itself is really
> old, it's just that the new i915.ko modeset code is really anal with
> reporting even slight inconsistencies. And some of these WARNs even
> brought some real bugs to the light.

Yes, that was pretty much what I assumed.

> If drm-intel-fixes doesn't get rid of them, please attach a complete
> dmesg withd drm.debug=0xe added to your kernel cmdline. The dmesg
> should include everything up to the first pile of WARNs.

Thanks.  Will try the fixes.


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