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SubjectRe: 2.6.32 swapper allocation failure with plenty of memory available
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On Tue, 2010-08-10 at 08:05 +0200, Mikael Abrahamsson wrote:
> Hi.
>
> Yesterday my Ubuntu 10.04 machine with their 2.6.32 (amd64) kernel, under
> a lot of disk IO and network stress stopped responding. I thought it had
> frozen completely, but ~2 hours later it came back to life.
>
> When I logged in I saw a lot of "swapper allocation failure" and r8169
> timeouts in dmesg (first time I've seen this cause network instability
> like this, but it's also the first motherboard I've tested with that has a
> r8169 NIC).
.../...

I noticed that on a completely different setup as well... 2.6.32 tend to
have a hard time servicing the skb allocations for demanding network
drivers.

Probably some threshold in the VM that might want tuning...

Cheers,
Ben.




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