On Tue, Aug 04, 2015 at 03:31:30PM +0200, Michal Hocko wrote:
> On Sat 01-08-15 14:49:25, Ulrich Obergfell wrote:
> [...]
> > @@ -3368,7 +3368,10 @@ static __init int fixup_ht_bug(void)
> > return 0;
> > }
> >
> > - watchdog_nmi_disable_all();
> > + if (watchdog_suspend() != 0) {
> > + pr_info("failed to disable PMU erratum BJ122, BV98, HSD29
> > workaround\n");
> > + return 0;
> > + }
>
> Is this really worth reporting to the log? What is an admin supposed to
> do about it?
I think it was more for developers to aid in debugging a strange behaviour
of the performance counters.
> <looking into the code>
> Ok, so kthread_park fails only when the kernel thread has already
> exited. Can this ever happen during this call path?
It might be overkill, but it is just a harmless informational failure
message.
Cheers,
Don
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
