Artem Bokhan wrote: > When I run 'dd if=/dev/sda of=/dev/null skip=9700 bs=1M' and it meets > bad block, it takes about > '/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/0000:02:02.0/host4/target4:0:0/4:0:0:0/timeout > + about 10 seconds' to determine I/O error. Until that IO to device is > locked, as I understand. I want to reduce the time of lock as much as > possible. > > dd: reading `/dev/sda': Input/output error > 240+1 records in > 240+1 records out > 252575744 bytes (253 MB) copied, 13.7833 s, 18.3 MB/s Can you post timestamped dmesg? -- tejun -- 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