Mark Lord wrote: > Tejun Heo wrote: > .. >> Oooh, another possibility is the above continuous IDENTIFY tries. >> Doing things like that generally isn't a good idea because vendors >> don't expect IDENTIFY to be mixed regularly with normal IOs and >> firmwares aren't tested against that. Even smart commands sometimes >> cause problems. So, finding out the thing which is obsessed with the >> identity of the drive and stopping it might help. > .. > > Bullpucky. That sort of thing, specifically with IDENTIFY, > has never been an issue. With SMART it has. I wouldn't be too surprised if some new firmware chokes on repeated IDENTIFY mixed with stream of NCQ commands. It's just not something people (including vendors) do regularly. > I wonder if the IDENTIFY is actually coming from libata EH > after something else failed ? In that case, libata-eh would print "ataP.DD: failed to IDENTIFY (blah, err_mask=0x%x\n" instead of the full TF dump. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html