Re: Host Crash when re-running vDPA device creation script after interruption

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On Wed, Jul 9, 2025 at 6:38 PM Dragos Tatulea <dtatulea@xxxxxxxxxx> 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 encountered the same crash on both the 6.16.0-rc2 kernel and the one
with the "[PATCH vhost] vdpa/mlx5: Fix release of uninitialized
resources on error path" applied.

Best regards
wenli

>
> > # sh vdpa-setup.sh  0000:b5:00.1 1
> > Then the host creatshed, please check the crash dump in attachment.
> >
>
> Thanks,
> Dragos
>






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