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Tue, 6 Feb 2024 12:28:57 +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 nMepLwkmwmXnKAAAD6G6ig (envelope-from ); Tue, 06 Feb 2024 12:28:57 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 5886AA0809; Tue, 6 Feb 2024 13:28:57 +0100 (CET) Date: Tue, 6 Feb 2024 13:28:57 +0100 From: Jan Kara To: Naresh Kamboju Cc: Jan Kara , linux-block , Linux-Next Mailing List , open list , Linux Regressions , linux-fsdevel@vger.kernel.org, lkft-triage@lists.linaro.org, Arnd Bergmann , Christian Brauner , Dan Carpenter , Al Viro Subject: Re: next: /dev/root: Can't open blockdev Message-ID: <20240206122857.svm2ptz2hsvk4sco@quack3> References: <20240206101529.orwe3ofwwcaghqvz@quack3> 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: Authentication-Results: smtp-out1.suse.de; none X-Spamd-Result: default: False [0.40 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_TWELVE(0.00)[12]; DBL_BLOCKED_OPENRESOLVER(0.00)[linaro.org:email,suse.com:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_TLS_ALL(0.00)[]; BAYES_HAM(-0.00)[36.26%] X-Spam-Level: X-Spam-Flag: NO X-Spam-Score: 0.40 On Tue 06-02-24 15:53:34, Naresh Kamboju wrote: > On Tue, 6 Feb 2024 at 15:45, Jan Kara wrote: > > > > On Tue 06-02-24 14:41:17, Naresh Kamboju wrote: > > > All qemu's mount rootfs failed on Linux next-20230206 tag due to the following > > > kernel crash. > > > > > > Reported-by: Linux Kernel Functional Testing > > > > > > Crash log: > > > --------- > > > <3>[ 3.257960] /dev/root: Can't open blockdev > > > <4>[ 3.258940] VFS: Cannot open root device "/dev/sda" or > > > unknown-block(8,0): error -16 > > > > Uhuh, -16 is EBUSY so it seems Christian's block device opening changes are > > suspect? Do you have some sample kconfig available somewhere? > > All build information is in this url, > https://storage.tuxsuite.com/public/linaro/lkft/builds/2byqguFVp7MYAEjKo6nJGba2FcP/ Thanks! So for record the config has: CONFIG_BLK_DEV_WRITE_MOUNTED=y So we are not hitting any weird corner case with blocking writes to mounted filesystems. It must be something else. Honza -- Jan Kara SUSE Labs, CR