Robert Hancock wrote: > So it was tag 0 that timed out , and according to the CPBs the > controller indeed believes the command is still outstanding, i.e. we > didn't lose an interrupt. I'm suspicious of the fact that only one of > two identical drives produced this error.. some kind of hardware-related > problem perhaps? 30 seconds is an awfully long time for a drive to take
That was my first thought. Maybe the drive has some fault that only shows up with NCQ in use. I'll keep an eye on it. > You can also try disabling NCQ without disabling ADMA and see what that > does: > > echo 1 > /sys/block/sdX/device/queue_depth I'll give this a go when I next reboot. Thanks David - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
