From: Marek Marczykowski <marmarek@invisiblethingslab.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Joanna Rutkowska <joanna@invisiblethingslab.com>
Subject: Re: Resume not working on 2nd gen Core i5
Date: Fri, 24 Feb 2012 17:03:28 +0100 [thread overview]
Message-ID: <4F47B4D0.2030806@invisiblethingslab.com> (raw)
In-Reply-To: <20120224055418.GA11780@phenom.dumpdata.com>
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On 24.02.2012 06:54, Konrad Rzeszutek Wilk wrote:
>>>>>>> Does anybody have a similar problem on 2nd Gen Core i5? Any advises how
>>>>>>> to approach debugging it?
>>>>>>>
> .. snip..
>> (the same hardware)
>> On 2.6.38.3 xenlinux kernel after resume there is screen content from before
>> suspend, power led light constantly (as it should), but system is
>> irresponsible (no capslock led, no reaction to sysrq, network etc).
>> On 3.x with your patches system goes into S3, but on resume is even worse - no
>> screen content at all (and no backlight) and also irresponsible, power led
>> still blinking. As 3.x tried:
>> - your devel/acpi-s3.v7 branch directly
>> - 3.2.7 merged with devel/acpi-s3.v7
>> - 3.3-rc4 with devel/acpi-s3.v7
>
> OK. That is weird - it worked for me last time. One thing at at time then -
> try doing this from text-mode, so no graphic mode involved. For that you might
> need to disable your i915 driver altogether. Then just run 'pm-suspend' and
> see where it stops.
>
> The next part is... Wait a minute, this reminds me of something I encountered
> with a SandyBrige i2100 - the suspend would work, but resume would get stuck.
>
> The issue was with the hypervisor and if I had the acpi-cpufreq drivers loaded
> it resumed just fine. If I didn't - so hypervisor had no idea about C states or
> P states, it would be stuck in the default_idle and never come back.
>
> So you might want for fun try also using the stable/processor-passthru.v5 and
> build it with CONFIG_XEN_PROCESSOR_PASSTHRU=y.
Looks much better. At least for few suspend/resume it works. Thanks!
And: when is it planned to upstream above patches (acpi-s3 and
processor-passthru)?
--
Best Regards / Pozdrawiam,
Marek Marczykowski
Invisible Things Lab
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next prev parent reply other threads:[~2012-02-24 16:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-23 9:13 Resume not working on 2nd gen Core i5 Joanna Rutkowska
2012-02-23 14:18 ` Konrad Rzeszutek Wilk
2012-02-23 17:31 ` Konrad Rzeszutek Wilk
2012-02-23 17:39 ` Joanna Rutkowska
2012-02-23 18:03 ` Konrad Rzeszutek Wilk
2012-02-24 1:01 ` Marek Marczykowski
2012-02-24 5:54 ` Konrad Rzeszutek Wilk
2012-02-24 16:03 ` Marek Marczykowski [this message]
2012-02-24 23:09 ` Konrad Rzeszutek Wilk
2012-02-24 9:55 ` Jan Beulich
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