Re: LibPATA code issues / 2.6.15.4

[David Greaves <david@dgreaves.com>]

David Greaves wrote:

>I've upgraded to 2.6.16 and applied your verbosity patches.
>
>I've persuaded my array to re-assemble and during the resync I got these
>messages
>
>dmesg:
>ata1: translated op=0x28 cmd=0x25 ATA stat/err 0x51/04 to SCSI
>SK/ASC/ASCQ 0xb/00/00
>ata1: status=0x51 { DriveReady SeekComplete Error }
>ata1: error=0x04 { DriveStatusError }
>...(18mins later)
>ata1: no sense translation for op=0x28 cmd=0x25 status: 0x51
>ata1: translated op=0x28 cmd=0x25 ATA stat/err 0x51/00 to SCSI
>SK/ASC/ASCQ 0x3/11/04
>ata1: status=0x51 { DriveReady SeekComplete Error }
>
>smartd is not running
>This did not cause the raid subsystem to boot the disk (thank goodness!)
>  
>
Just providing a little more followon information...

I have had a further 52 of these messages over the last day. No obvious
cause.
Mar 22 13:14:55 haze kernel: ata2: no sense translation for op=0x28
cmd=0x25 status: 0x51
Mar 22 13:14:55 haze kernel: ata2: status=0x51 { DriveReady SeekComplete
Error }

Most recently this happened:

Mar 22 13:47:09 haze kernel: ata2: no sense translation for op=0x28
cmd=0x25 status: 0x51
Mar 22 13:47:09 haze kernel: ata2: status=0x51 { DriveReady SeekComplete
Error }
Mar 22 13:47:09 haze kernel: sd 1:0:0:0: SCSI error: return code = 0x8000002
Mar 22 13:47:09 haze kernel: sdb: Current: sense key: Medium Error
Mar 22 13:47:09 haze kernel:     Additional sense: Unrecovered read
error - auto reallocate failed
Mar 22 13:47:09 haze kernel: end_request: I/O error, dev sdb, sector
396518289

with dmesg piping up with:
raid1: sdb2: rescheduling sector 5801424
raid1: sdd2: redirecting sector 5801424 to another mirror

no drives were kicked from the array.

David

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