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Howlett" , kernel test robot , oe-lkp@lists.linux.dev, lkp@intel.com, linux-kernel@vger.kernel.org, Andrew Morton , linux-perf-users@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [linus:master] [mm/mmap] 0503ea8f5b: kernel_BUG_at_mm/filemap.c Message-ID: References: <202302252122.38b2139-oliver.sang@intel.com> <20230227031756.v57rhicna3tjbavw@revolver> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230227031756.v57rhicna3tjbavw@revolver> X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 5B0FD140002 X-Stat-Signature: wearc588zhpa4ynxdggbhc8q7wmpu7pu X-HE-Tag: 1677469948-72883 X-HE-Meta: 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 2eyZeDYQ LHDQcO9BPI3I6vWKDEOBMFelw8iEsZkCYmJC+rLCjS0yS0enNHN4JLxfwLZDpZ/7dBqJz0IN9dSoI1JRCN5NCfleech19LbfPTn1Dp3vEZiZg9wvtMtPpsm5sO1/N/6vrgYpinxN6eaFY+pp/fDYXhuih+Ny0GjERnjFYKwzWSuz7R/sE22xZfKsGdShVtUXp4EQkVmk0zrpa7xNpw3izV61DtgOHs49atPvCVSz4IjXWHCjtRSmezqSBJhWIurZEkiIMufrTVd1f+Ajr7rbiUzmliDIruXiI0HGqbWfgXKvcMgwoEGI8vqN/bw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sun, Feb 26, 2023 at 10:17:56PM -0500, Liam R. Howlett wrote: > Are you sure about this bisection? I'm not saying it isn't my fault or > looking to blame others, but I suspect we are indeed looking at the > wrong commit here. I concur. Looking at the backtrace, I think it's more likely to be a pagecache, swapcache or shmfs issue. I'll look more in the morning. > > bin/lkp qemu -k -m modules.cgz job-script # job-script is attached in this email > > > > # if come across any failure that blocks the test, > > # please remove ~/.lkp and /lkp dir to run from a clean state. > > > > This does not work for me. Since my last use of lkp it seems something > was changed and now -watchdog is not recognized by my qemu and so my > attempts to reproduce this are failing. Is there a way to avoid using > the -watchdog flag? Running the command by hand fails as it seems some > files are removed on exit? https://www.qemu.org/docs/master/about/removed-features.html -watchdog (since 7.2) Use -device instead. (I have no idea what this means, but maybe it's a clue?)