On 4/9/20 12:30 PM, Jeff Layton wrote: > On Thu, 2020-04-09 at 18:00 +0200, Jesper Krogh wrote: >> Thanks Jeff - I'll try that. >> >> I would just add to the case that this is a problem we have had on a >> physical machine - but too many "other" workloads at the same time - >> so we isolated it off to a VM - assuming that it was the mixed >> workload situation that did cause us issues. I cannot be sure that it >> is "excactly" the same problem we're seeing but symptoms are >> identical. >> > > Do you see the "page allocation failure" warnings on bare metal hosts > too? If so, then maybe we're dealing with a problem that isn't > virtio_net specific. In any case, let's get some folks more familiar > with that area involved first and take it from there. > > Feel free to cc me on the bug report too. > > Thanks, > In 5.4.20, the default rsize and wsize is 64M. This has caused me page allocation failures in a different context. Try setting it to something sensible. -- Tony Lill, OCT, ajlill@xxxxxxxxxxxxxxxxxxx President, A. J. Lill Consultants (519) 650 0660 539 Grand Valley Dr., Cambridge, Ont. N3H 2S2 (519) 241 2461 -------------- http://www.ajlc.waterloo.on.ca/ ---------------
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