lkml.org 
[lkml]   [2021]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [BUG] crypto: ccp: random crashes after kexec on AMD with PSP since commit 97f9ac3d
Hi Brijesh,

On 28/07/21 at 08:36 -0500, Brijesh Singh wrote:
> Hi Lucas,
>
> >On several AMD systems, we see random crashes after kexec, during the
> >boot of the new system (typically 1 out of 5 boots ends up with a
> >crash).
>
> >According to git bisect, the regression was introduced by commit
> >97f9ac3d ("crypto: ccp - Add support for SEV-ES to the PSP driver"),
> >included since 5.8-rc1. 5.14-rc3 is still affected.
>
> Can you try the below patch and confirm whether it fixes the random
> crashes seen during the kexec.

I confirm that this fixes the crashes I was seeing.

Tested-by: Lucas Nussbaum <lucas.nussbaum@inria.fr>

Lucas

\
 
 \ /
  Last update: 2021-07-28 16:37    [W:0.038 / U:0.748 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site