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Thu, 5 Jun 2025 13:03:03 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id YuG/HoeVQWhxKQAAD6G6ig (envelope-from ); Thu, 05 Jun 2025 13:03:03 +0000 Date: Thu, 5 Jun 2025 15:02:54 +0200 From: Daniel Wagner To: Shinichiro Kawasaki Cc: "linux-block@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "linux-scsi@vger.kernel.org" , "nbd@other.debian.org" , "linux-rdma@vger.kernel.org" Subject: Re: blktests failures with v6.15 kernel Message-ID: <7cdceac2-ef72-4917-83a2-703f8f93bd64@flourine.local> References: <2xsfqvnntjx5iiir7wghhebmnugmpfluv6ef22mghojgk6gilr@mvjscqxroqqk> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2xsfqvnntjx5iiir7wghhebmnugmpfluv6ef22mghojgk6gilr@mvjscqxroqqk> X-Spamd-Result: default: False [-4.51 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_EQ_ADDR_SOME(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_TLS_ALL(0.00)[]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:106:10:150:64:167:received]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; RCPT_COUNT_FIVE(0.00)[6]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; ASN(0.00)[asn:25478, ipnet:::/0, country:RU]; RCVD_VIA_SMTP_AUTH(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; MISSING_XM_UA(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.de:dkim] X-Spam-Level: X-Spam-Flag: NO X-Rspamd-Queue-Id: A51E3345B2 X-Rspamd-Action: no action X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Score: -4.51 Hi, On Thu, May 29, 2025 at 08:46:35AM +0000, Shinichiro Kawasaki wrote: > #1: nvme/023 > > When libnvme has version 1.13 or later and built with liburing, nvme-cli > command "nvme smart-log" command fails for namespace block devices. This > makes the test case nvme/032 fail [2]. Fix in libnvme is expected. > > [2] > https://lore.kernel.org/linux-nvme/32c3e9ef-ab3c-40b5-989a-7aa323f5d611@flourine.local/T/#m6519ce3e641e7011231d955d9002d1078510e3ee Should be fixed now. If you want, I can do another release soon, so the fix get packaged up by the distros. > #2: nvme/041 (fc transport) > > The test case nvme/041 fails for fc transport. Refer to the report for v6.12 > kernel [3]. > > [3] > https://lore.kernel.org/linux-nvme/6crydkodszx5vq4ieox3jjpwkxtu7mhbohypy24awlo5w7f4k6@to3dcng24rd4/ Is still on my TODO list. Sorry. > #4: nvme/061 failure (fc transport) > > The test case nvme/061 sometimes fails due to a WARN [5]. Just before the > WARN, The kernel reported "refcount_t: underflow; use-after-free." This > failure can be recreated in stable manner by repeating the test case 10 > times or so. > > I tried v6.15-rcX kernels. When I ran v6.15-rc1 kernel, the test case always > failed with different symptom. With v6.15-rc2 kernel, the test case passed > in most runs, but sometimes it failed with the same symptom as v6.15. I > guess the nvme-fc changes in v6.15-rc2 fixed most of the refcounting issue, > but still rare refcounting failure scenario is left. The nvmet-fcloop changes for 6.16 should address this (fingers crossed). Thanks, Daniel