Re: PROBLEM: sparc64 random crashes starting w/ Linux 6.1 (regression)

From: Peter Xu
Date: Wed Feb 15 2023 - 10:21:56 EST


On Wed, Feb 15, 2023 at 03:49:56PM +0100, Linux regression tracking (Thorsten Leemhuis) wrote:
> On 31.01.23 02:46, Nick Bowler wrote:
> > On 2023-01-29, Peter Xu <peterx@xxxxxxxxxx> wrote:
> >> On Sat, Jan 28, 2023 at 09:17:31PM -0500, Nick Bowler wrote:
> >>> Starting with Linux 6.1.y, my sparc64 (Sun Ultra 60) system is very
> >>> unstable, with userspace processes randomly crashing with all kinds of
> >>> different weird errors. The same problem occurs on 6.2-rc5. Linux
> >>> 6.0.y is OK.
> > [...]
> >> Could you try below patch to see whether it fixes your problem? It should
> >> cover the last piece of possible issue with dirty bit on sparc after that
> >> patchset. It's based on latest master branch (commit ab072681eabe1ce0).
> >
> > Haven't seen any failures yet, so it seems this patch on top of 6.2-rc6
> > makes things much better.
> >
> > I'll keep running this for a while to see if any other problems come up.
>
> Nick, I assume no other problems showed up?
>
> In that case Peter could send the patch in for merging. Or did you do
> that already?

Thanks for raising this again. Nop, I'm just waiting for a final ack from
Nick to make sure that nothing went wrong after the longer run.

--
Peter Xu