It is a Samsung HD501LJ SATA drive connected to 631xESB/632xESB controller.
Reading and writing every block of the drive does not generate any other
errors/failures. This is observed in 2.6.20.7 like a clockwork on any
badblocks -v run or rebuild of a MD raid1 array onto the disk.
It, however, was not observed on 2.6.18 in 182 badblocks -v runs followed by
rebuild of MD raid1 array.
Any idea what it might be?
Apr 23 14:45:34 stdsrv-x86-64bit kernel: ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
Apr 23 14:45:34 stdsrv-x86-64bit kernel: ata4.00: (irq_stat 0x40000008)
Apr 23 14:45:34 stdsrv-x86-64bit kernel: ata4.00: cmd 60/80:00:14:16:c4/00:00:05:00:00/40 tag 0 cdb 0x0 data 65536 in
Apr 23 14:45:34 stdsrv-x86-64bit kernel: res 51/40:00:40:16:c4/6f:00:05:00:00/40 Emask 0x9 (media error)
Apr 23 14:45:34 stdsrv-x86-64bit kernel: ata4.00: configured for UDMA/133
Apr 23 14:45:34 stdsrv-x86-64bit kernel: ata4: EH complete
Apr 23 14:45:37 stdsrv-x86-64bit kernel: ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
Apr 23 14:45:37 stdsrv-x86-64bit kernel: ata4.00: (irq_stat 0x40000008)
Apr 23 14:45:37 stdsrv-x86-64bit kernel: ata4.00: cmd 60/80:00:14:16:c4/00:00:05:00:00/40 tag 0 cdb 0x0 data 65536 in
Apr 23 14:45:37 stdsrv-x86-64bit kernel: res 51/40:00:40:16:c4/6f:00:05:00:00/40 Emask 0x9 (media error)
Apr 23 14:45:37 stdsrv-x86-64bit kernel: ata4.00: configured for UDMA/133
Apr 23 14:45:37 stdsrv-x86-64bit kernel: ata4: EH complete
Apr 23 14:45:40 stdsrv-x86-64bit kernel: ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
Apr 23 14:45:49 stdsrv-x86-64bit kernel: ata4.00: (irq_stat 0x40000008)
Apr 23 14:45:49 stdsrv-x86-64bit kernel: ata4.00: cmd 60/80:00:14:16:c4/00:00:05:00:00/40 tag 0 cdb 0x0 data 65536 in
Apr 23 14:45:49 stdsrv-x86-64bit kernel: res 51/40:00:40:16:c4/6f:00:05:00:00/40 Emask 0x9 (media error)
Apr 23 14:45:49 stdsrv-x86-64bit kernel: ata4.00: configured for UDMA/133
Apr 23 14:45:50 stdsrv-x86-64bit kernel: ata4: EH complete
Apr 23 14:45:50 stdsrv-x86-64bit kernel: ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
Apr 23 14:45:50 stdsrv-x86-64bit kernel: ata4.00: (irq_stat 0x40000008)
Apr 23 14:45:50 stdsrv-x86-64bit kernel: ata4.00: cmd 60/80:00:14:16:c4/00:00:05:00:00/40 tag 0 cdb 0x0 data 65536 in
Apr 23 14:45:51 stdsrv-x86-64bit kernel: res 51/40:00:40:16:c4/6f:00:05:00:00/40 Emask 0x9 (media error)
Apr 23 14:45:51 stdsrv-x86-64bit kernel: ata4.00: configured for UDMA/133
Apr 23 14:45:51 stdsrv-x86-64bit kernel: ata4: EH complete
Apr 23 14:45:51 stdsrv-x86-64bit kernel: ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
Apr 23 14:45:52 stdsrv-x86-64bit kernel: ata4.00: (irq_stat 0x40000008)
Apr 23 14:45:52 stdsrv-x86-64bit kernel: ata4.00: cmd 60/80:00:14:16:c4/00:00:05:00:00/40 tag 0 cdb 0x0 data 65536 in
Apr 23 14:45:52 stdsrv-x86-64bit kernel: res 51/40:00:40:16:c4/6f:00:05:00:00/40 Emask 0x9 (media error)
Apr 23 14:45:52 stdsrv-x86-64bit kernel: ata4.00: configured for UDMA/133
Apr 23 14:45:52 stdsrv-x86-64bit kernel: ata4: EH complete
Apr 23 14:45:52 stdsrv-x86-64bit kernel: ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
Apr 23 14:45:53 stdsrv-x86-64bit kernel: ata4.00: (irq_stat 0x40000008)
Apr 23 14:45:53 stdsrv-x86-64bit kernel: ata4.00: cmd 60/80:00:14:16:c4/00:00:05:00:00/40 tag 0 cdb 0x0 data 65536 in
Apr 23 14:45:53 stdsrv-x86-64bit kernel: res 51/40:00:40:16:c4/6f:00:05:00:00/40 Emask 0x9 (media error)
Apr 23 14:45:54 stdsrv-x86-64bit kernel: ata4.00: configured for UDMA/133
Apr 23 14:45:54 stdsrv-x86-64bit kernel: ata4: EH complete
Apr 23 14:45:54 stdsrv-x86-64bit kernel: SCSI device sdd: 976773168 512-byte hdwr sectors (500108 MB)
Apr 23 14:45:54 stdsrv-x86-64bit kernel: sdd: Write Protect is off
Apr 23 14:45:54 stdsrv-x86-64bit kernel: SCSI device sdd: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Apr 23 14:45:54 stdsrv-x86-64bit kernel: SCSI device sdd: 976773168 512-byte hdwr sectors (500108 MB)
Apr 23 14:45:55 stdsrv-x86-64bit kernel: sdd: Write Protect is off
Apr 23 14:45:55 stdsrv-x86-64bit kernel: SCSI device sdd: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
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