Messages in this thread | | | Date | Sun, 6 Dec 2009 17:32:22 -0800 | From | Jesse Barnes <> | Subject | Re: 2.6.31 -> 2.6.32 Sound and video regressions |
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On Sat, 05 Dec 2009 23:44:55 +0000 Darren Salt <linux@youmustbejoking.demon.co.uk> wrote:
> I demand that Andy Lutomirski may or may not have written... > > > Emmanuel Benisty wrote: > [snip] > >> I just wanted to report 2 regressions I am having now with 2.6.32. > >> Video > >> Screen is flickering/glitching like crazy in X. It happens whether > >> randomly or when conky is refreshed, when the mouse cursor moves > >> and like hell when a page is loading in the browser. Not so easy to > >> describe this issue. > [snip] > > > That sounds like FIFO underruns, which (I think) were introduced > > when self-refresh was enabled but should have been fixed. I > > personally have no clue how to fix them, but if you told the Intel > > people what kind of chip you have (lspci output), they can probably > > fix it. > > It also sounds like what I'm seeing on my EeePC 901. It only happens > after resume, which makes STR a little less than useful; the display > will, sooner or later, show a single colour (which is, presumably, > the result of a display engine hang, as described in the comment > immediately before intel_calculate_wm) and, seemingly, be stuck like > that until power-off or reboot. > > Whether it *is* the same problem, I couldn't say. > > Needless to say, this problem goes away if I disable KMS.
Arg, there are a few reports of this now, but I haven't been able to reproduce it. I'll try harder... (FYI the upstream bugs.freedesktop.org # for it is 24314).
-- Jesse Barnes, Intel Open Source Technology Center
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