Comment 23 for bug 745112
Revision history for this message
| Bryce Harrington (bryce) wrote Re: [Bug 745112] Re: [arrandale] desktop is messed up (goes black) when laptop is docked with two external 1920x1200 monitors (x86_64) | #23 |
On Thu, Apr 21, 2011 at 12:27:20AM -0000, Roland Dreier wrote:
> I don't think the elderberry stuff is related to my issue -- I see a
> monitor stuck with no signal because (if I understood correctly) KMS got
> confused and forgot about it. Probably fixing KMS would fix my
> problems.
>
> Is there some i915 tracing I could turn on to figure out what is confusing the kernel driver?
> I guess I'll try a 2.6.39-rc upstream kernel to see if that makes any difference.
Yes, the xdiagnose utility allows switching on drm debug messages (the
first checkbox). You might also experiment with disabling vesafb but
I'm doubtful that would do anything in this case.
In addition to testing the .39-rc kernel, you can test Intel's
experimental tree which we package for Ubuntu now for testers:
http://