Vasily Averin wrote: > Tejun Heo wrote: > >>[cc'ing Albert] >> >>Vasily Averin wrote: >> >>>Tejun, Jeff >>> >>>I've noticed that some scsi commands for DVD-drive attached to pata_via >>>successfully finishes without any delays but reports about TIMEOUT condition. It >>>happens because of ATA_ERR bit is set in status register. As result for each >>>command Error Handler thread awakened, requests sense buffer and go to sleep again. >> >>Need more info. Please post boot dmesg and the result of 'lspci -nn' >>and 'hdparm -I /dev/srX' and when such errors occur. > > > It was 2.6.22 kernel with pata_via and sata_via drivers, scsi and cdrom debug > was temporally enabled via sysctl (please see logs near Jul 24 13:42:46 timestamp) > > Btw. I'm not sure that it was an error, I've looked on the sources and IMHO it's > normal command processing cdrom without disk inserted into drive. I've checked > 2.6.19, 2.6.20 and 2.6.22 kernels and got the same behavior. > Hi Vasily, Your log looks ok. It's normal for TEST_UNIT_READY to return ATA_ERR when no disc inside and libata EH triggered to request sense. -- albert - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
