On Mon, 19 Apr 2010, Jonas Schwertfeger wrote: > On 04/16/2010 08:20 PM, Sarah Sharp wrote: > > I'll see if I can find a contact for this. I need a couple more details > > so they can reproduce this. Jonas, did you ever test the Buffalo drive with > > Mark Lord's fix to set the sector count to "1"? Which version of hdparm > > were you using? Is that version just in Lucid, or is it in Karmic too? > > Yes, I did try it with Mark's latest version (9.29b) which uses a sector > count of "1" (version 9.29) and, in addition, uses ATA_12 (instead of > ATA_16) for IDENTIFY (9.29b). The issue exists in Karmic and Lucid. > > It seems the report I sent back to Mark, once I tested 9.29b, didn't go > to all of you but just Mark. Here it is: > > -------------------------------------------------------- > The good news: It doesn't crash the chip anymore. The drive is still > mounted fine after executing hdparm. > > The bad news: From the hdparm output it seems like the chip still > doesn't play nice. > > /dev/sdb: > outgoing cdb: a1 08 2e 00 01 00 00 00 40 ec 00 00 00 00 00 00 > data: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > SG_IO: ATA_12 status=0x0, host_status=0x0, driver_status=0x0 > SG_IO: bad response (not CHECK_CONDITION) > Trying legacy HDIO_DRIVE_CMD > outgoing cdb: a1 08 2e 00 01 00 00 00 40 a1 00 00 00 00 00 00 > data: 40 00 ff 3f 37 c8 10 00 00 00 00 00 3f 00 00 00 > SG_IO: ATA_12 status=0x2, host_status=0x0, driver_status=0x8 > SG_IO: sb[]: 72 0b 00 00 00 00 00 0e 09 0c 00 04 00 01 00 00 00 00 00 > 00 40 51 00 00 00 00 00 00 00 00 00 00 > SG_IO: desc[]: 09 0c 00 04 00 01 00 00 00 00 00 00 > ATA_12 stat=51 err=04 nsect=01 lbal=00 lbam=00 lbah=00 dev=40 > I/O error, ata_op=0xa1 ata_status=0x51 ata_error=0x04 > HDIO_DRIVE_CMD(identify) failed: Input/output error > readonly = 0 (off) > readahead = 256 (on) > geometry = 121601/255/63, sectors = 1953525168, start = 0 > -------------------------------------------------------- > > I didn't get a reply from Mark on this yet. Alan, does this output mean > something to you? Not a lot, just that there are no more USB-level problems. Any remaining problems are higher up, at the SCSI level or hdparm application level. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html