Messages in this thread | | | Subject | Re: 2.6.32 swapper allocation failure with plenty of memory available | From | Benjamin Herrenschmidt <> | Date | Tue, 10 Aug 2010 19:37:02 +1000 |
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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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