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
this in syslog:
Oct 28 11:29:08 pluto kernel: ata4.00: exception Emask 0x0 SAct 0x0 SErr 0x0
action 0x2 frozen
Oct 28 11:29:08 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 11:29:08 pluto kernel: res 40/00:02:00:0c:00/00:00:00:00:00/a0
Emask 0x4 (timeout)
Oct 28 11:29:08 pluto kernel: ata4.00: status: { DRDY }
Oct 28 11:29:08 pluto kernel: ata4: soft resetting link
Oct 28 11:29:13 pluto kernel: ata4: port is slow to respond, please be patient
(Status 0xf8)
Oct 28 11:29:18 pluto kernel: ata4: SRST failed (errno=-16)
Oct 28 11:29:18 pluto kernel: ata4: hard resetting link
Oct 28 11:29:19 pluto kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl
310)
Oct 28 11:29:19 pluto kernel: ata4.00: configured for UDMA/33
Oct 28 11:29:19 pluto kernel: ata4: EH complete
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.
Regards
Harri
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