Mike Christie wrote:
Strangely, if I use the sata driver, then nero uses the sg driver (drivers/scsi/sg.c) instead of the block layer sg io code. But the sata code spits out: Jan 29 12:03:21 madmax kernel: ata1.00: ATAPI check failed Jan 29 12:03:21 madmax kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen Jan 29 12:03:21 madmax kernel: ata1.00: cmd a0/00:00:00:00:20/00:00:00:00:00/a0 tag 0 cdb 0xac data 808 in Jan 29 12:03:21 madmax kernel: res 51/51:03:00:00:20/00:00:00:00:00/a0 Emask 0x3 (HSM violation) Jan 29 12:03:21 madmax kernel: ata1: soft resetting port Jan 29 12:03:21 madmax kernel: ATA: abnormal status 0xD0 on port 0x1F7 Jan 29 12:03:21 madmax kernel: ata1.00: failed to IDENTIFY (I/O error, err_mask=0x2) Jan 29 12:03:21 madmax kernel: ata1.00: revalidation failed (errno=-5)
-5 == EIO
Jan 29 12:03:21 madmax kernel: ata1: failed to recover some devices, retrying in 5 secs Jan 29 12:03:33 madmax kernel: ata1: port is slow to respond, please be patient (Status 0xd0) Jan 29 12:03:56 madmax kernel: ata1: port failed to respond (30 secs, Status 0xd0) Jan 29 12:03:56 madmax kernel: ata1: soft resetting port Jan 29 12:03:57 madmax kernel: ata1.00: configured for PIO4 Jan 29 12:03:57 madmax kernel: ata1: EH complete
It's not critical for 2.6.20, since the default recommendation for PATA is still "use drivers/ide", but Alan Cox (and Tejun and me) should be aware of cases where drivers/ide works but libata does not.
So, if you could post some machine and .config info regarding this to linux-ide (CC'ing Alan), that would be appreciated.
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