From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Resume not working on 2nd gen Core i5 Date: Fri, 24 Feb 2012 18:09:16 -0500 Message-ID: <20120224230916.GA26132@phenom.dumpdata.com> References: <4F460354.7080907@invisiblethingslab.com> <20120223141827.GC23963@phenom.dumpdata.com> <20120223173146.GA22922@phenom.dumpdata.com> <4F4679D1.3000806@invisiblethingslab.com> <20120223180313.GC22574@phenom.dumpdata.com> <4F46E174.6040009@invisiblethingslab.com> <20120224055418.GA11780@phenom.dumpdata.com> <4F47B4D0.2030806@invisiblethingslab.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <4F47B4D0.2030806@invisiblethingslab.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Marek Marczykowski Cc: "xen-devel@lists.xensource.com" , Joanna Rutkowska List-Id: xen-devel@lists.xenproject.org On Fri, Feb 24, 2012 at 05:03:28PM +0100, Marek Marczykowski wrote: > 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)? Been doing it, but haven't gotten the required Acks.