On Thu, 6 Dec 2007 01:33:16 +0000 (UTC) Parag Warudkar <parag.warudkar@xxxxxxxxx> wrote: > Tom Lanyon <tomlanyon <at> gmail.com> writes: > > > scsi4: ahci > > ata5: SATA link up at 1.5 Gbps (SStatus 113 SControl 300) > > ata5.00: ATAPI, max UDMA/66 > > ata5.00: qc timeout (cmd 0xef) > > ata5.00: failed to set xfermode (err_mask=0x104) > > ata5.00: limiting speed to UDMA/44 > > ata5: failed to recover some devices, retrying in 5 secs > > ata5: port is slow to respond, please be patient (Status 0x80) > > ata5: port failed to respond (30 secs, status 0x80) > > ata5: COMRESET failed (device not ready) > > ata5: hardreset failed, retrying in 5 secs > > ata5: SATA link up at 1.5 Gbps (SStatus 113 SControl 300) > > ata5.00: ATAPI, max UDMA/66 > > ata5.00: qc timeout (cmd 0xef) > > ata5.00: failed to set xfermode (err_mask=0x104) > > ata5.00: limiting speed to PIO0 > > ata5: failed to recover some devices, retrying in 5 secs > > ata5: port is slow to respond, please be patient (Status 0x80) > > ata5: port failed to respond (30 secs, status 0x80) > > ata5: COMRESET failed (device not ready) > > ata5: hardreset failed, retrying in 5 secs > > ata5.00: ATAPI, max UDMA/66 > > ata5.00: qc timeout (cmd 0xef) > > ata5.00: failed to set xfermode (err_mask=0x104) > > ata5.00: disabled > > > Looks like it is trying to set transfer mode to UDMA/66 and failing. After > that it tried UDMA/44 and failed again. Next UDMA/66 again with unsurprising > result - failed. After that PIO0 which seems to cause some kind of trouble, > then it tries UDMA/66 again, and I am not stating the result again :) ! > > > Any ideas what to try to get it working under AHCI? > > > > I recall reading somewhere - the Pioneer drive needs UDMA/33 which it did not > try in your case - need to some how have it try UDMA/33 but I don't find a > boot parameter which will do that. So may be adding a quirk for this device to > limit the xfer mode to 33 may work. > > What does your dmesg output for the drives look like when you run in IDE > compat mode? (Particularly the DMA for this drive?) > Please cc linux-ide on sata, pata and ide-related issues. If nothing happens within a few days please raise a report at bugzilla.kernel.org so we can ignore this in an organised fashion, thanks. - 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
