Vitaly, I'd appreciate it if you could test the patch Bart referred you to. > I am reported that bisect found this commit to cause above mentioned > problem: Also, I would like to understand why things fail as a result of the original change. Could you please send me the output of: # sg_readcap -l /dev/sdc # sg_vpd -l /dev/sdc # sg_vpd -p 0xb0 /dev/sdc # sg_vpd -p 0xb1 /dev/sdc # sg_vpd -p 0xb2 /dev/sdc Thanks! -- Martin K. Petersen Oracle Linux Engineering