netdev - Re: newbie question on networking kernel panics.

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Date:   Thu, 16 Jul 2020 21:02:46 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Willy Tarreau <w@....eu>
Cc:     Jeroen Baten <jbaten@...s.nl>, netdev@...r.kernel.org
Subject: Re: newbie question on networking kernel panics.

On Thu, Jul 16, 2020 at 06:40:12PM +0200, Willy Tarreau wrote:
> Hi Jeroen,
> 
> On Thu, Jul 16, 2020 at 05:38:57PM +0200, Jeroen Baten wrote:
> > Hi,
> > 
> > I have been working on a Linux desktop for the last 20 odd years.
> > Currently running Ubuntu 20.04.
> > 
> > Yesterday I enabled the option "Flow control" on my TP-Link TL-SG1024DE.
> > 
> > Subsequently I was forced to enjoy 3 kernel panics in the timespan of 18
> > hours.
> > 
> > After disabling the "Flow control" option my system seems to be stable
> > again.
> > 
> > I do have 3 sets of "cut here" text if somebody would be interested.
> > 
> > Please let me know if this information is of interest to someone or if I
> > am barking up the wrong majordomo tree.
> > 
> > Kind regards and thanks to all here for your immensely valuable work,
> 
> Since distro kernels contain some extra patches, may miss a significant
> number of fixes, or even rely on different driver sources, you really
> need to report this issue to your distro, who will ask for your exact
> kernel version. It may be that this issue also affects the vanilla
> kernel in the end, but in this case it will be reported by the distro's
> maintainers once they've verified that it's not related to their kernel's
> differences.

Hi Jeroen

If you are up for building your own kernel, you can build something
like mainline 5.8-rc5 and see if you can reproduce it. If you can
reproduce it with plain mainline, we would be interested in the "cut
here" text.

      Andrew