Re: [PATCH] Revert "mm: remove __GFP_NO_KSWAPD"

Thorsten Leemhuis wrote on 20.11.2012 18:43:

On 20.11.2012 16:38, Josh Boyer wrote:

The short story from my current point of view is:

Quick update, in case anybody is interested:

 * my main machine at home where I initially saw the issue that started
this thread seems to be running fine with rc6 and the "safe" patch Mel
posted in https://lkml.org/lkml/2012/11/12/113 Before that I ran a rc5
kernel with the revert that went into rc6 and the "safe" patch -- that
worked fine for a few days, too.

On this machine I'm running a rc6 kernel + the fix for the accounting
bug(A1) that went into mainline ~40 hours ago + the "riskier" patch Mel
posted in https://lkml.org/lkml/2012/11/12/151

Up to now everything works fine.

(A1) https://lkml.org/lkml/2012/11/21/362

 * I have a second machine where I started to use 3.7-rc kernels only
yesterday (the machine triggered a bug in the radeon driver that seems
to be fixed in rc6) which showed symptoms like the ones Zdenek Kabelac
mentions in this thread. I wasn't able to look closer at it, but simply
tried rc6 with the safe patch, which didn't help. I'm now running rc6
with the "riskier" patch from https://lkml.org/lkml/2012/11/12/151
I can't yet tell if it helps. If the problems shows up again I'll try to
capture more debugging data via sysrq -- there wasn't any time for that
when I was running rc6 with the safe patch, sorry.

This machine is now also behaving fine with above mentioned rc6 kernel +
the two patches. It seems the accounting bug was the root cause for the
problems this machine showed.

CU
 Thorsten

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