Re: Kernel lock during cryptsetup luksClose

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On Wed, 1 Mar 2023 at 07:24, Frédéric Martinsons
<frederic.martinsons@xxxxxxxxx> wrote:
>
> On Wed, 1 Mar 2023 at 00:00, Brennan Lamoreaux (VMware)
> <brennanlamoreaux@xxxxxxxxx> wrote:
> >
> > I just posted a fix for a workqueue related deadlock in put_unbound_pool in the 4.19-rt kernel here:
> > https://lore.kernel.org/linux-rt-users/20230228224938.88035-1-brennanlamoreaux@xxxxxxxxx
> >
> > Can you give this a shot and see if it fixes your problem?
>
> Hey, thank you for this patch. I currently have no access to my test board.
> But I'll happily test this patch tomorrow for sure.

The patch you provided works perfectly in my case, no more blocking.
Thanks.

For my curiosity, do you know why I fell in this case ? The bug
requires specific timing or it only
appears during usage of device mapper in kernel ?




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