ppc: hard lockup / hang in v5.17-rc1 under QEMU

[Miguel Ojeda]

Hi Michael,

On Thu, Jan 27, 2022 at 11:54 AM Michael Ellerman <mpe at ellerman.id.au> wrote:
>
> It looks like your kernel-ppc64le-release.config does not have the
> hardlockup detector enabled, so I suspect you're hitting the bug
> described in that patch.

On -release it was a hang; but please note that on -debug the hard
lockup was actually being detected (so it was also reproducible with
the detectors enabled).

> That fix will hit linux-next in the next day or so and should be in rc2.

I confirm the fix works for us -- thanks a lot!

Cheers,
Miguel