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Groups > linux.debian.kernel > #84273

Bug#1082081: Problem actually unreproducible for us

Cross-posted to 2 groups.

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Source: linux
Source-Version: 6.1.112-1

On Tue, Oct 08, 2024 at 08:00:27AM +0000, Kocher Emanuel, Bedag wrote:
> Hi Salvatore,
> 
> On 04/10/2024 22:24, Salvatore Bonaccorso wrote:
> > 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.kernel@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?
> 
> I can confirm that 6.1.112-1 resolves the issue and the network 
> performance is back to normal.
> 
> Tested on different virtual machines and upgrading the rest now, thank 
> you and the team!

Many thanks for the confirmation! Closing the bug with the version
now.

Regards,
Salvatore

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Thread

Bug#1079684: Network errors on VM David Prévot <taffit@debian.org> - 2024-08-26 11:00 +0200
  Bug#1079684: Network errors on VM David Prévot <taffit@debian.org> - 2024-08-26 15:50 +0200
  Bug#1079684: still issues in linux 6.1.106-3 "Kocher Emanuel, Bedag" <emanuel.kocher@bedag.ch> - 2024-09-16 14:00 +0200
    Bug#1079684: still issues in linux 6.1.106-3 David Prévot <taffit@debian.org> - 2024-09-18 08:40 +0200
  Bug#1082081: Bug#1079684: still issues in linux 6.1.106-3 Salvatore Bonaccorso <carnil@debian.org> - 2024-09-18 10:30 +0200
    Bug#1082081: still issues in linux 6.1.106-3 "Kocher Emanuel, Bedag" <emanuel.kocher@bedag.ch> - 2024-09-18 14:20 +0200
      Bug#1082081: still issues in linux 6.1.106-3 Salvatore Bonaccorso <carnil@debian.org> - 2024-09-18 16:10 +0200
        Bug#1082081: still issues in linux 6.1.106-3 Florian La Roche <florian.laroche@googlemail.com> - 2024-09-21 09:00 +0200
  Bug#1082081: Problem actually unreproducible for us David Prevot <dprevot+debian@evolix.fr> - 2024-09-25 15:50 +0200
    Bug#1082081: Problem actually unreproducible for us "Kocher Emanuel, Bedag" <emanuel.kocher@bedag.ch> - 2024-09-25 23:20 +0200
      Bug#1082081: Problem actually unreproducible for us Salvatore Bonaccorso <carnil@debian.org> - 2024-10-04 22:30 +0200
        Bug#1082081: Problem actually unreproducible for us "Kocher Emanuel, Bedag" <emanuel.kocher@bedag.ch> - 2024-10-08 10:10 +0200
          Bug#1082081: Problem actually unreproducible for us Salvatore Bonaccorso <carnil@debian.org> - 2024-10-12 19:10 +0200
        Bug#1082081: Problem actually unreproducible for us Markus <markus@opsone.ch> - 2024-10-08 11:00 +0200
  Bug#1082081: marked as done (Performance issues on VM (virtio)) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2024-10-12 19:10 +0200

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