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

From: Nick Bowler
Date: Mon Jan 30 2023 - 20:46:50 EST


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.

Thanks,
Nick