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Bug#969350: linux-image-4.19.0-10-amd64: Kernel regularly crashes - general protection fault in the network stack

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  Bug#969350: linux-image-4.19.0-10-amd64: Kernel regularly crashes - general protection fault in the network stack Salvatore Bonaccorso <carnil@debian.org> - 2020-08-31 23:40 +0200
    Bug#969350: linux-image-4.19.0-10-amd64: Kernel regularly crashes - general protection fault in the network stack Antoine Sirinelli <antoine@monte-stello.com> - 2020-09-01 22:50 +0200

#67949 — Bug#969350: linux-image-4.19.0-10-amd64: Kernel regularly crashes - general protection fault in the network stack

Hi Antoine,

On Mon, Aug 31, 2020 at 11:03:47PM +0200, Antoine Sirinelli wrote:
> Package: src:linux
> Version: 4.19.132-1
> Severity: normal
> 
> Dear Maintainer,
> 
> I am experiencing regular kernel crashes with my system. The crashes
> seems a bit random and linked to limited activity. Looking at the
> backtrace, it seems to be coming from the network stack (bridge
> netfilter?). I have indeed a bridge on the default interface to allow a
> virtual machine (CentOS) to access the network. Docker is also running
> its own bridges.
> 
> The bug does not seem to be triggered by high network loads (I can
> transfert at 1 GBps during minutes on a NFS server without any crashes).
> I have not been yet able to understand what is triggering it. It can
> happen 2-3 times per day. This system is rather new (built 3 months ago)
> and is only starting to be getting a bit more load.

Thanks for the report. This looks the same as #966846, which we have
pending fixed in the packaging repository.

If you can expose the fixes for testing, then there are temporary and
inofficial 4.19.142-1 builds at
https://people.debian.org/~carnil/tmp/linux/4.19.142-1/ .

Regards,
Salvatore

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#67960

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Hi Salvatore,

On Mon, Aug 31, 2020 at 11:31:26PM +0200, Salvatore Bonaccorso wrote:
> Thanks for the report. This looks the same as #966846, which we have
> pending fixed in the packaging repository.
> 
> If you can expose the fixes for testing, then there are temporary and
> inofficial 4.19.142-1 builds at
> https://people.debian.org/~carnil/tmp/linux/4.19.142-1/ .

Thank you for the hint; indeed it looks the same as #966846. I have
tried the kernel you have prepared and I have not experienced any crash
in the last 23 hours (it was crashing more often recently). I will keep
you informed if a crash is occurring.

Antoine

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