Re: 4.11.0-rc8+/x86_64 desktop lockup until applications closed

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On Sun 30-04-17 15:33:50, Arthur Marsh wrote:
> 
> 
> Michal Hocko wrote on 27/04/17 18:56:
> >On Thu 27-04-17 18:36:38, Arthur Marsh wrote:
> >[...]
> >>[55363.482931] QXcbEventReader: page allocation stalls for 10048ms, order:0,
> >>mode:0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null)
> >
> >Are there more of these stalls?
> 
> I haven't seen the same kinds of logging in dmesg, but a few minutes ago I
> did see that the desktop had locked up and after remotely logging in and
> doing a kill -HUP of iceweasel/firefox, saw this:
> 
> [92311.944443] swap_info_get: Bad swap offset entry 000ffffd
> [92311.944449] swap_info_get: Bad swap offset entry 000ffffe
> [92311.944451] swap_info_get: Bad swap offset entry 000fffff

Pte swap entry seem to be clobbered. That suggests a deeper problem and
a memory corruption.
-- 
Michal Hocko
SUSE Labs

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