Messages in this thread | | | Date | Tue, 01 May 2007 09:04:46 -0400 | From | Mark Lord <> | Subject | Re: 2.6.20 libata cdrom |
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William Thompson wrote: > > +scsi2 : ata_piix > +ata_port_schedule_eh: port EH scheduled > +ata_scsi_error: ENTER > +ata_port_flush_task: ENTER > +ata_port_flush_task: flush #1 > +ata2: ata_port_flush_task: flush #2 > +ata2: ata_port_flush_task: EXIT > +ata_eh_autopsy: ENTER > +ata_eh_recover: ENTER > +ata_eh_prep_resume: ENTER > +ata_eh_prep_resume: EXIT > +__ata_port_freeze: ata2 port frozen > +ata_std_softreset: ENTER > +ata_std_softreset: about to softreset, devmask=1 > +ata_bus_softreset: ata2: bus reset via SRST > +ata_dev_classify: found ATA device by sig > +ata_dev_classify: unknown device > +ata_std_softreset: EXIT, classes[0]=1 [1]=5 > +ata_std_postreset: ENTER > +ata_std_postreset: EXIT > +ata_eh_thaw_port: ata2 port thawed > +ata_eh_revalidate_and_attach: ENTER > +ata2.00: ata_dev_read_id: ENTER, host 2, dev 0 > +ata_exec_command_pio: ata2: cmd 0xEC > +ata_hsm_move: ata2: protocol 2 task_state 1 (dev_stat 0x51) > +ata_hsm_move: ata2: protocol 2 task_state 3 (dev_stat 0x51) > +ata_port_flush_task: ENTER > +ata_port_flush_task: flush #1 > +ata2: ata_port_flush_task: flush #2 > +ata2: ata_port_flush_task: EXIT > +ata2.00: failed to IDENTIFY (I/O error, err_mask=0x1) > +ata_eh_revalidate_and_attach: EXIT ..
Yep. Libata seems to be treating the ATAPI drive as ATA.
Tejun, don't we have a fallback for when IDENTIFY fails? If the drive rejects it (err=0x04), then this can mean only one thing: unsupported command, so we next must try PACKET_IDENTIFY.
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