Hi Emanuel, On Wed, Sep 25, 2024 at 08:59:00PM +0000, Kocher Emanuel, Bedag wrote: > Hi David, > > On 25/09/2024 15:35, David Prevot wrote: > > Hi, > > After further investigations, I now believe we’re not able to reproduce > the issue (the performance issues were actually random, and have other > causes that we’re currently investigating). > > Emanuel, have you been able to test a kernel including the patch > previously pointed by Salvatore and Florian? > > 34aaedb052cb4cb068cb19a34cf6d9cedb9af87f > https://lore.kernel.org/all/20240910213553.839926-1-willemdebruijn.ker...@gmail.com/ > > I’ve built it last week following the team documentation. > > https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html#id-1.6.6.4 > > It’s available at the following URL if needed. > > https://download.evolix.net/b3e804f0aaf78b4dc217213942c20805079fd160/linux-image-6.1.0-0.a.test-amd64-unsigned_6.1.106-3a~test_amd64.deb > > > This is unfortunate to hear - we actually still have the issue with the > patched kernel and can't see any improvements at all with speed nor > reliability. > > Even a simple copy of the linux kernel from a nfs share to the homedir will > interrupt after a while with an "Input/output error". > > Turning GSO off did not help as some suggested: > echo options virtio_net gso=N >> /etc/modprobe.d/virtio.conf > rmmod virtio_net && modprobe virtio_net > > As for turning LSO off on the hypervisor I would have to get a test host - it > seems to have helped here: > https://github.com/virtio-win/kvm-guest-drivers-windows/issues/1131 > > If there's something we can do in order of testing we should be able to do so.
Since you still are affected by the issue: Can you please the newes 6.1.112-1 which was released as DSA 5782-1? Regards, Salvatore
