On Tue, Jun 26, 2018 at 12:53:32PM +0200, Douglas Gilbert wrote: > The SCSI subsystem may not be the primary storage medium on a system, so > bringing down the system because the SCSI mid-level has an unrecoverable > error may be overkill. Think an embedded system with the rootfs on a > /dev/mmcblk<n>p<m> device with the only "SCSI" device being an external > USB port for a memory key (I was fighting with a 3D printer was just that > config a few days ago). Then the user plugs in the world's worst USB > key (billion of candidates). Isn't one error strategy just to report, > ignore and continue? Exactly and even if SCSI is the primary storage medium BUG_ON()s are just bad, sorry. It's always better to do error recovery then hard crashing a machine as it may be able to write out logs when doing error recovery so one actually has a chance debugging the reasons why it happened. Byte, Johannes -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
