On Tue, Mar 19, 2024 at 9:15 PM Igor Raits <igor@xxxxxxxxxxxx> wrote:
>
> Hello Stefan,
>
> On Tue, Mar 19, 2024 at 2:12 PM Stefan Hajnoczi <stefanha@xxxxxxxxxx> wrote:
> >
> > On Tue, Mar 19, 2024 at 10:00:08AM +0100, Igor Raits wrote:
> > > Hello,
> > >
> > > We have started to observe kernel crashes on 6.7.y kernels (atm we
> > > have hit the issue 5 times on 6.7.5 and 6.7.10). On 6.6.9 where we
> > > have nodes of cluster it looks stable. Please see stacktrace below. If
> > > you need more information please let me know.
> > >
> > > We do not have a consistent reproducer but when we put some bigger
> > > network load on a VM, the hypervisor's kernel crashes.
> > >
> > > Help is much appreciated! We are happy to test any patches.
> >
> > CCing Michael Tsirkin and Jason Wang for vhost_net.
> >
> > >
> > > [62254.167584] stack segment: 0000 [#1] PREEMPT SMP NOPTI
> > > [62254.173450] CPU: 63 PID: 11939 Comm: vhost-11890 Tainted: G
> > > E 6.7.10-1.gdc.el9.x86_64 #1
> >
> > Are there any patches in this kernel?
>
> Only one, unrelated to this part. Removal of pr_err("EEVDF scheduling
> fail, picking leftmost\n"); line (reported somewhere few months ago
> and it was suggested workaround until proper solution comes).
Btw, a bisection would help as well.
Thanks
