On Tue, Oct 28, 2025 at 4:56 PM Dragos Tatulea <[email protected]> wrote:
>
> On Thu, Jul 10, 2025 at 06:18:39PM +0800, Wenli Quan wrote:
> > On Wed, Jul 9, 2025 at 9:08 PM Dragos Tatulea <[email protected]> wrote:
> > >
> > > On Wed, Jul 09, 2025 at 08:59:13PM +0800, Wenli Quan wrote:
> > > > On Wed, Jul 9, 2025 at 6:38 PM Dragos Tatulea <[email protected]>
> > > > wrote:
> > > > >
> > > > > On Wed, Jul 09, 2025 at 05:36:04PM +0800, Wenli Quan wrote:
> > > > > > I am reporting an issue where the host system crashes when
> > > > > > re-running
> > > > > > a script that creates a vDPA device after interrupting its previous
> > > > > > execution. I am attaching the script for your analysis, as I am
> > > > > > unsure
> > > > > > of the exact step causing the crash.
> > > > > >
> > > > > Thanks for catching this Wenli. We'll look into it.
> > > > >
> > > > > > # uname -r
> > > > > > 6.16.0-rc2
> > > > > > # sh vdpa-setup.sh 0000:b5:00.1 1
> > > > > > interrupted by pressing Ctrl+C
> > > > > Could you specify during which stage of the script do you interrupt
> > > > > it?
> > > >
> > > > Interrupted after running for a few seconds.
> > > >
> > > I was not yet able to reproduce the issue.
> > >
> > > Could you print out the commands of the debug script so that we can see
> > > where it was interrupted? set -x should be enough.
> >
> > I tried again many times, just to reproduce once. the following script
> > for your inference. but it doesn’t cause a crash every time.
> >
> Hi Wenli,
>
> Could you try re-running this again please with the latest mainline as I
> was not able to reproduce it.
Sure, I will retest it and update the result here.
Best Regards, wenli
>
> There was a relevant fix [0] recently that might make a difference.
> This was merged as commit
> 6b4be64fd9fe ("net/mlx5e: Harden uplink netdev access against device unbind")
> in mainline.
>
> [0]
> https://lore.kernel.org/all/[email protected]/
>
> Thanks,
> Dragos
>
