Comment 27 for bug 84603

It would appear that this bug still exists in kernel 2.6.20-14-generic

Apr 5 18:56:35 localhost kernel: [ 2880.464000] ata1.01: qc timeout (cmd 0xa0)
Apr 5 18:56:35 localhost kernel: [ 2880.464000] res 51/20:03:00:00:00/00:00:00:00:00/b0 Emask 0x5 (timeout)
Apr 5 18:56:42 localhost kernel: [ 2887.468000] ata1: port is slow to respond, please be patient (Status 0xd0)
Apr 5 18:57:05 localhost kernel: [ 2910.484000] ata1: soft resetting port
Apr 5 18:57:06 localhost kernel: [ 2910.844000] ata1.00: configured for UDMA/100
Apr 5 18:57:06 localhost kernel: [ 2911.024000] ata1.01: configured for UDMA/33
Apr 5 18:57:06 localhost kernel: [ 2911.024000] ata1: EH complete
Apr 5 18:57:06 localhost kernel: [ 2911.032000] SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
Apr 5 18:57:06 localhost kernel: [ 2911.044000] sda: Write Protect is off
Apr 5 18:57:06 localhost kernel: [ 2911.064000] SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Apr 5 18:57:06 localhost kernel: [ 2911.084000] SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
Apr 5 18:57:06 localhost kernel: [ 2911.084000] sda: Write Protect is off
Apr 5 18:57:06 localhost kernel: [ 2911.088000] SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA