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xen-devel
[Xen-devel] Re: [regression] Ideapad S10-3 does not wake up from suspend
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To: |
Jonathan Nieder <jrnieder@xxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [regression] Ideapad S10-3 does not wake up from suspend (Re: [PATCH v2 2/2] x86: don't unmask disabled irqs when migrating them) |
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From: |
"Serge E. Hallyn" <serge@xxxxxxxxxx> |
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Date: |
Fri, 2 Sep 2011 03:01:40 +0000 |
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Cc: |
Len Brown <len.brown@xxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, JBeulich@xxxxxxxxxx, Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, mingo@xxxxxxxxxx, hpa@xxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Lars Boegild Thomsen <lth@xxxxxx> |
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Fri, 02 Sep 2011 02:25:08 -0700 |
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<20110831082230.GA4539@xxxxxxxxxxxxxxxxxxxxxx> |
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<625BA99ED14B2D499DC4E29D8138F1505C8ED7F7E3@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20110829041532.GA22087@xxxxxxxxxxxxxxxxxxxxxx> <1314752662.6411.26.camel@nimitz> <20110831082230.GA4539@xxxxxxxxxxxxxxxxxxxxxx> |
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Mutt/1.5.20 (2009-06-14) |
Quoting Jonathan Nieder (jrnieder@xxxxxxxxx):
> Hi Dave,
>
> Dave Hansen wrote:
>
> > I'm seeing the exact same symptoms on my S10-3, fwiw. They definitely
> > don't happen when intel_idle is compiled out or when
> > intel_idle.max_cstate=0 is specified on the kernel command-line.
>
> Lars reminds me[1] that the kernel he was testing already had the
> intel_idle driver compiled out, so you're probably seeing a different
> (possibly related) bug. (By the way, Lars, it is fine to communicate
> with lkml directly. :) The people there don't bite.)
Right, over the past year or so this has been hit or miss. Sometimes
intel_idle.max_cstate=0 would fix it. Sometimes (like today) not. Ever
since the problems have started, using intel_idle has not worked once,
but disabling it is not 100% reliable. And when it doesn't work, it
doesn't work at all until I get a new kernel.
Sorry, not very helpful.
-serge
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