On 8/10/24 04:31, Bart Van Assche wrote: > During system resume, sd_start_stop_device() submits a START STOP UNIT > command to the SCSI device that is being resumed. That command is not > retried in case of a unit attention and hence may fail. An example: > > [16575.983359] sd 0:0:0:3: [sdd] Starting disk > [16575.983693] sd 0:0:0:3: [sdd] Start/Stop Unit failed: Result: hostbyte=0x00 driverbyte=DRIVER_OK > [16575.983712] sd 0:0:0:3: [sdd] Sense Key : 0x6 > [16575.983730] sd 0:0:0:3: [sdd] ASC=0x29 ASCQ=0x0 > [16575.983738] sd 0:0:0:3: PM: dpm_run_callback(): scsi_bus_resume+0x0/0xa0 returns -5 > [16575.983783] sd 0:0:0:3: PM: failed to resume async: error -5 > > Make the SCSI core retry the START STOP UNIT command if a retryable > error is encountered. > > Cc: Damien Le Moal <dlemoal@xxxxxxxxxx> > Cc: Mike Christie <michael.christie@xxxxxxxxxx> > Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> Looks OK to me. Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx> -- Damien Le Moal Western Digital Research
