Albert Lee wrote: > Hi Yarema, > > Thanks for the detailed log. > It looks like the bad INQUIRY command > "CDB (4:0,1,0) 12 01 00 00 fe 00 00 00 00" (INQUIRY, length=254, EVPD=1) > is coming from the user space, not the SCSI mid-layer. > > I guess two problems together caused this bug: > 1. Ubuntu Linux issues an incorrect INQUIRY command to the drive. > (Other distros seem to have the INQUIRY correct.) > 2. The incorrect INQUIRY happens to cause the AOpen drive frozen. > (The HP drive is immune from the incorrect INQUIRY command. > "check condition" is returned for the bad INQUIRY.) > > We have two possible solutions here: > a. Patch Ubuntu, such that the incorrect INQUIRY is fixed. > b. Patch kernel, such that the AOpen drives are blacklisted. > Each INQUIRY is inspected for the blacklisted drives. > If the INQUIRY looks wrong, the INQUIRY is rejected. > > I guess a. is the preferred solution... I second Albert's opinion. Please report this to ubuntu people so that the origin of the problem can be fixed. Thanks a lot. I admire your ability and patience in tracking these difficult issues. :-) -- 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
