MadLoisae@xxxxxxx writes: > Hello Jeff, hello linux-ide-team, > > I encounter here sometimes a strange problem - I hope you do not bother > me that I write direct to you. > I use following hardware: VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus > Master IDE (rev 06) as PATA-controller (so I use the pata_via module - > 1106:0571), on the secondary channel as master a Compact Flash card, as > slave a 2.5" WDC 320GB harddisc. The harddisc is only able to speak > UDMA3 (caused by the cable), the Compact Flash Card is able to speak > UDMA4. So I force this values with the kernel command line > (libata.force=2.00:udma4,2.01:udma3). I am using ext3 on the FlashCard > and ext4 on the harddisc, splitted in 4 partitions. > I use linux 2.6.31.4, my config is attached. > Since 2.6.30 I use libata instead of legacy IDE. > After a not reproduceable time my machine is not able to handle my > harddisk any more. There are always the same logs: > > [1036724.000131] ata2.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action > 0x6 frozen > [1036724.000256] ata2.01: cmd c8/00:08:0b:72:04/00:00:00:00:00/fa tag 0 > dma 4096 in > [1036724.000262] res 40/00:00:00:78:00/00:00:00:00:00/10 Emask > 0x4 (timeout) ... > at this time the only workaround is a reboot - i did not find any way > yet to reanimate the harddisc in this state. Two suggestions: 1. don't use libata.force 2. put the CF card and the PATA disk on separate channels with separate cables -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
