Hi. What is the suggested change? - is it Ceph that has an rsize,wsize of 64MB ? On Fri, Apr 10, 2020 at 12:47 AM Tony Lill <ajlill@xxxxxxxxxxxxxxxxxxx> wrote: > > > > 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/ --------------- > > >
