Re: [Xen-devel] Only CPU0 active after ACPI S3, xen 4.1.3

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 29.11.12 at 19:55, Marek Marczykowski <marmarek@xxxxxxxxxxxxxxxxxxxxxx> 
>>> wrote:
> After resume from ACPI S3 system has only CPU0 enabled, every vCPU from 
> every
> domain works on CPU0 [1].  When trying to pin some vCPU to CPU1 got error:
> xl vcpu-pin testvm 1 1
> libxl: error: libxl.c:2565:libxl_set_vcpuaffinity setting vcpu affinity:
> Invalid argument
> 
> What went wrong? How can I reenable CPU1-CPU3?

According to the "xl dmesg" output you sent, CPU1-3 are all
online (their presence in the output following "Dumping timer
queues:" confirms this). So I suppose you will need to go do
some debugging to find out where and why the set-affinity
operation fails, and/or why the scheduler puts everything on
a single pCPU (if it really does, the output of "xl vcpu-list" is
only a hint towards that). Rather than using 'c', 'r' might have
been the more useful debug key.

Jan


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