AW: Packets not passing from domU to dom0

[Klaus Darilion <klaus.darilion@xxxxxx>]

> -----Ursprüngliche Nachricht-----
> Von: Xen-users <xen-users-bounces@xxxxxxxxxxxxxxxxxxxx> Im Auftrag von
> Adi Kriegisch
> Gesendet: Mittwoch, 25. Jänner 2023 11:10
> An: xen-users@xxxxxxxxxxxxxxxxxxxx
> Cc: Klaus Darilion <klaus.darilion@xxxxxx>
> Betreff: Re: Packets not passing from domU to dom0
> 
> Hi!
> 
> > I have spent hours debugging network issues between domU and dom0 -
> without
> > success. I hope you have some ideas what could be the cause of the
> problem,
> > or you can give me some hints how to debug this issue.
> We had a very similar issue with an incomplete patch for XSA-423. This
> is a fix in the linux kernel and V1 of the advisory lacked the
> initialization a variable[1][2]
> Maybe the kernel lacks the second part of the patch?
> 
> -- Adi
> 
> [1]
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/
> ?
> id=7dfa764e0223a324366a2a1fc056d4d9d4e95491
> [2] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1026035

Thanks for the hint.

Meanwhile we fixed it by using an old Ubuntu 22.04 kernel in the dom0. So we 
now upgrade the kernel minor version by minor version to find out when the 
problem appeared first.

regards
Klaus