Messages in this thread | | | Date | Fri, 24 Sep 2010 11:41:22 -0700 | From | Jesse Barnes <> | Subject | Re: Interrupt latency on some 945GM platforms |
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On Thu, 16 Sep 2010 18:03:04 +0300 Vasily Khoruzhick <anarsoul@gmail.com> wrote:
> В сообщении от 15 of September 2010 01:41:11 автор Sitsofe Wheeler написал: > > > > processor.max_cstate=2 > > > > > > Nope, it doesn't work with max_cstate=2 > > > > Perhaps intel_idle is being used? Any mention of it in dmesg? > > Sitsofe, maybe you misunderstood me, I mean with max_cstate=1 graphics is > smooth, with higher values (i.e. max_cstate=2) graphics is jerky. > > Btw, Jesse, any comments/solutions/workarounds except one with > processor.max_cstate=1 in kernel commandline? Should I file a bug on fdo > bugzilla?
FDO bug for this is https://bugs.freedesktop.org/show_bug.cgi?id=30364.
I still don't have a root cause, but at least we have a workaround.
-- Jesse Barnes, Intel Open Source Technology Center -- 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/
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