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[70.30.145.63]) by smtp.gmail.com with ESMTPSA id d22-20020ac86696000000b003b9a4a497a1sm13111453qtp.86.2023.02.15.07.21.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Feb 2023 07:21:03 -0800 (PST) Date: Wed, 15 Feb 2023 10:21:02 -0500 From: Peter Xu To: Linux regressions mailing list Cc: Nick Bowler , linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org, Andrew Morton Subject: Re: PROBLEM: sparc64 random crashes starting w/ Linux 6.1 (regression) Message-ID: References: <91b38494-f296-d01d-3b98-6bc51406cad0@leemhuis.info> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <91b38494-f296-d01d-3b98-6bc51406cad0@leemhuis.info> Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org 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 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