Hello, Florian Effenberger wrote: > We installed Debian Etch with the pre-compiled kernel, but when doing > heavy SATA data transfer, the drives seem to make trouble. Even with the > latest kernel, 2.6.21.2, we receive: > > === > ata3.00: exception Emask 0x10 SAct 0x1 SErr 0x400100 action 0x2 frozen > ata3.00: (irq_stat 0x08000000, interface fatal error) > ata3.00: cmd 61/80:00:00:91:91/00:00:1d:00:00/40 tag 0 cdb 0x0 data > 65536 out > res 40/00:04:00:91:91/00:00:1d:00:00/40 Emask 0x10 (ATA bus error) > ata3: soft resetting port > ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > ata3.00: configured for UDMA/133 > ata3: EH complete > SCSI device sdc: 625142448 512-byte hdwr sectors (320073 MB) > sdc: Write Protect is off > sdc: Mode Sense: 00 3a 00 00 > SCSI device sdc: write cache: enabled, read cache: enabled, doesn't > support DPO or FUA > === Looks like a genuine transmission/interface error to me. How often does this occur? Please try to connect the drive to another port using and possibly different power lane. Also, testing with another drive is a good way to track down where the problem is. > MD5 sums of copied files are right and we experience no other problems. > Is this a driver bug? If so, can I be of any help in debugging it? Yeah, libata EH is working properly so there shouldn't be any problem other than the error messages and a bit slower transfer speed. -- tejun - 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
