My Shuttle SN85G4V2 with Silicon Image 3512 SATA controller has been locking up
frequently for a while. Console message:
ata1: command 0x35 timeout, stat 0x58 host_stat 0x61
ata1: status=0x58 { DriveReady SeekComplete DataRequest }
sd 0:0:0:0: SCSI error: return code = 0x8000002
sda: Current: sense key: Aborted Command
Additional sense: Scsi parity error
end_request: I/O error, dev sda, sector 57582833
Buffer I/O error on device sda6, logical block 3097255
lost page write due to I/O error on sda6
ATA: abnormal status 0x58 on port 0xF8802087
ATA: abnormal status 0x58 on port 0xF8802087
I have a Seagate ST3200822AS disk, which is on the blacklist in sata_sil.
In sil_pci_tbl in drivers/sata/sata_sil.c, I changed 3512 from sil_3112 to
sil_3112_m15w, enabling SIL_QUIRK_MOD15WRITE for my controller. With this, the
lockups are gone.
Looks like MOD15WRITE was turned off for the 3512 between 2.6.13 and 2.6.14.
This may have been a mistake, or else my system is unusually flaky.
See also my Debian bug report
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=353790
(I wrote there that I saw the lockups in the 2.6.8 kernel as well. Back then,
the blacklist affected my controller, but my disk drive didn't get on the
blacklist until 2.6.11).
Regards
Jon
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