Re: boot regression on ppc64 with linux 6.2

From: Michael Ellerman
Date: Wed Mar 15 2023 - 20:36:00 EST


Andrea Righi <andrea.righi@xxxxxxxxxxxxx> writes:
> On Wed, Mar 15, 2023 at 02:30:53PM +1100, Michael Ellerman wrote:
>> Andrea Righi <andrea.righi@xxxxxxxxxxxxx> writes:
>> > I'm triggering the following bug when booting my qemu powerpc VM:
>>
>> I'm not seeing that here :/
>>
>> Can you give a bit more detail?
>> - qemu version
>> - qemu command line
>> - what userspace are you using?
>> - full dmesg of the failing case
>
> Yeah, ignore this for now, it could be related to another custom patch
> that I had applied (and forgot about it sorry), this one:
> https://lore.kernel.org/lkml/20230119155709.20d87e35.gary@xxxxxxxxxxx/T/

OK. Did you do the bisect with that patch applied though?

> That is causing other issues on ppc64, so I think it might be related to
> that, I'll do more tests making sure I use a vanilla kernel.

I don't see an obvious connection between the modversions stuff and this
crash, but I guess it's possible.

cheers