Re: 3.7-rc6 soft lockup in kswapd0

[Johannes Weiner]

On Thu, Nov 29, 2012 at 09:54:14AM -0500, George Spelvin wrote:
> Mel Gorman <mgorman@xxxxxxx> wrote:
> > On Tue, Nov 27, 2012 at 04:25:14PM -0500, George Spelvin wrote:
> >> Well, it just made it to 24 hours, 
> >> it did before.  I'm going to wait a couple more days before declaring
> >> victory, but it looks good so far.
> >> 
> >>  19:19:10 up 1 day, 0 min,  2 users,  load average: 0.15, 0.20, 0.22
> >>  21:24:05 up 1 day,  2:05,  2 users,  load average: 0.25, 0.19, 0.18
> >
> > Superb. The relevant patches *should* be in flight for 3.7 assuming they
> > make it through the confusion of last-minute fixes.
> 
>  14:53:54 up 2 days, 19:35,  2 users,  load average: 0.20, 0.24, 0.23
> 
> Almost three days, when it wouldn't live overnight before.
> As promised, I'm declaring victory.
> 
> The patch that worked (on top of -rc7) was Johannes Weiner's
> "mm: vmscan: fix endless loop in kswapd balancing"
> that added the zone_balanced() function to mm/vmscan.c:2400.

Thanks for testing!

Love,
Georgina
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