Re: [3.13 regression] kswapd0 and ksoftirqd/0 CPU hogs

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Hi,

has anyone found a solution to this one?

3.18-rc5 has kswapd0 hogging the CPU - haven't seen ksoftirqd0 yet.
Unpacking a large tarball tends to trigger this for me.

Cheers,

  Michael


On Tue, Jul 1, 2014 at 11:43 PM, Mikael Pettersson <mikpelinux@xxxxxxxxx> wrote:
Andreas Schwab writes:
 > Mikael Pettersson <mikpelinux@xxxxxxxxx> writes:
 >
 > > Reverting to 3.12.16 completely eliminates these problems.
 >
 > Even 3.11 has the kswapd0 cpu hog problem.

Hmm, I just got the kswapd0 CPU hog on 3.12.16 too (while compiling
java code during a gcc package rebuild).

So kernels >= 3.11 have the kswapd0 CPU hog bug, and kernels >= 3.13
also have the ksoftirdq/0 CPU hog bug.

What's the last known-good kernel? 3.10?
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