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[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)

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.


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