Harri wrote:
> Hi Tejun,
>
> Is it possible that the DMA workaround for sata_sil and the
> Samsung SH-S183A DVD writer was lost for 2.6.24-rc1? I found
No, I don't think we ever had workaround for sata_sil + SH-S183A
combination. Do you have any specific patch/commit in mind?
> this in syslog:
[--snip--]
> Oct 28 11:29:26 pluto kernel: ata4.00: exception Emask 0x0 SAct 0x0 SErr
> 0x0 action 0x2 frozen
> Oct 28 11:29:26 pluto kernel: ata4.00: cmd
> a0/01:00:00:10:00/00:00:00:00:00/a0 tag 0 cdb 0xa4 data 16 in
> Oct 28 11:29:26 pluto kernel: res
> 40/00:02:00:0c:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
> Oct 28 11:29:26 pluto kernel: ata4.00: status: { DRDY }
> Oct 28 11:29:27 pluto kernel: ata4: soft resetting link
> Oct 28 11:29:32 pluto kernel: ata4: port is slow to respond, please be
> patient (Status 0xf8)
> Oct 28 11:29:37 pluto kernel: ata4: SRST failed (errno=-16)
> Oct 28 11:29:37 pluto kernel: ata4: hard resetting link
> Oct 28 11:29:37 pluto kernel: ata4: SATA link up 1.5 Gbps (SStatus 113
> SControl 310)
> Oct 28 11:29:38 pluto kernel: ata4.00: configured for UDMA/33
> Oct 28 11:29:38 pluto kernel: ata4: EH complete
> Oct 28 11:29:38 pluto kernel: sr0: disc change detected.
>
> Its difficult to reproduce, though.
The failing command is REPORT_KEY. What were you doing when you saw
this error?
Not being reproducible indicates that it's unlikely to be a DMA issue
and more likely a temporary glitch in media recognition.
Thanks.
--
tejun
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