Re: [Xen-devel] dump with xen-unstable & linux 3.2.17

[Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxx>]

Am Donnerstag 31 Mai 2012, 17:06:39 schrieb Jan Beulich:
> >>> On 31.05.12 at 17:52, Ben Guthro <ben@xxxxxxxxxx> wrote:
> > 1. The changeset mentioned below needed to be reverted, as it was
> > removing the CPUS at suspend time.
> 
> I assume you refer to the one line change, not the full c/s?
> Juergen would have to tell us whether reverting that would
> break something else.

Maybe this will take some time as Juergen is away for a week.

Dietmar.

> 
> > 2. The linux xen watchdog driver (drivers/watchdog/xen_wdt.c) seems to
> > be enabling itsself on resume, even if you tell it not to.
> > I worked around this by just turning off watchdogs in my kernel
> > config...because I wasn't using them anyhow.
> 
> That was a problem up to 3.3, but was fixed in 3.4 afaict. What
> kernel version did you see this with?
> 
> Jan
> 
> > On Fri, May 25, 2012 at 9:20 AM, Ben Guthro <ben@xxxxxxxxxx> wrote:
> >> Changed parts:
> >>
> >> diff --git a/xen/common/schedule.c b/xen/common/schedule.c
> >> index 0854f55..95cb2b4 100644
> >> --- a/xen/common/schedule.c
> >> +++ b/xen/common/schedule.c
> >> @@ -543,7 +543,7 @@ int cpu_disable_scheduler(unsigned int cpu)
> >>     int    ret = 0;
> >>
> >>     c = per_cpu(cpupool, cpu);
> >> -    if ( (c == NULL) || (system_state == SYS_STATE_suspend) )
> >> +    if ( (c == NULL) )
> >>         return ret;
> >>
> >>     for_each_domain_in_cpupool ( d, c )

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