[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Only CPU0 active after ACPI S3, xen 4.1.3
On 20.12.2012 20:41, Ben Guthro wrote: > See if the attached patch helps. > This was a patch I forgot was still in my queue, that Jan had some > objections about (though I don't recall specifically what they were) > I had found that the scheduler was removing all cpus during suspend, and > this seemed to help with that, IIRC. > > That said - I'm starting to be forced to look back into S3 issues, as while > I thought they were all resolved, they are not. > I have an Ivybridge laptop that I didn't have back in May that exhibits > some issues very similar to those that I was trying to solve with Jan in > the thread I pasted above. > > This particular machine goes to sleep, and when it resumes, the disk light > flashes briefly, and then the sleep led goes back to pulsing. With this patch applied (on 4.1.4 and 4.3-unstable), I've got original symptom - only CPU0 active after ACPI S3. Didn't get reboot after few tries. "xl debug-key r" output attached. Anyway it looks like bug was introduced somehow between 4.1.2 and 4.1.3 - on 4.1.2 none of above problems happened. -- Best Regards / Pozdrawiam, Marek Marczykowski Invisible Things Lab Attachment:
xl-debug-key-r--only-cpu0-active.txt Attachment:
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