Messages in this thread | ![/](/images/icornerl.gif) | | Date | Mon, 7 Dec 2009 10:52:53 +0700 | Subject | Re: 2.6.31 -> 2.6.32 Sound and video regressions | From | Emmanuel Benisty <> |
| |
On Mon, Dec 7, 2009 at 8:32 AM, Jesse Barnes <jbarnes@virtuousgeek.org> wrote: > 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).
It *seems* that we are facing two different issues here (I don't even use S2R and the problem is there since the very first second I start X). Anyway, I have bisected the problem on my box, it turns out to be this one:
drm/i915: Fix render reclock availability detection
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=181a5336d6cc836f05507410d66988c483ad0154 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| ![\](/images/icornerr.gif) |