Bug#462229: I'm currently experiencing the same problem.
Debian server is a VMware server host. Each time a VM experiences moderate disk activity I typically see the following messages:
kernel: ata1: EH complete
kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
kernel: ata1.00: (BMDMA stat 0x20)
kernel: ata1.00: tag 0 cmd 0x25 Emask 0x1 stat 0x41 err 0x4 (device error)
kernel: ata1: EH complete
kernel: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
kernel: ata1.00: (BMDMA stat 0x20)
kernel: ata1.00: tag 0 cmd 0x25 Emask 0x1 stat 0x41 err 0x4 (device error)
kernel: sd 0:0:0:0: SCSI error: return code = 0x08000002
kernel: sda: Current: sense key: Aborted Command
kernel: Additional sense: No additional sense information
kernel: end_request: I/O error, dev sda, sector 1378451324
kernel: raid1: sda7: rescheduling sector 1315267616
kernel: ata1: EH complete
kernel: SCSI device sda: 1465149168 512-byte hdwr sectors (750156 MB)
kernel: sda: Write Protect is off
kernel: sda: Mode Sense: 00 3a 00 00
kernel: SCSI device sda: drive cache: write back
kernel: SCSI device sda: 1465149168 512-byte hdwr sectors (750156 MB)
kernel: sda: Write Protect is off
kernel: sda: Mode Sense: 00 3a 00 00
kernel: raid1: sda7: redirecting sector 1315267616 to another mirror
kernel: SCSI device sda: drive cache: write back
Hardware is as follows:
Asus M2N-E Motherboard - NVIDIA nForce 570 Ultra MCP Chipset
AMD Athlon(tm) 64 X2 Dual Core Processor 4200+
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: WDC WD7500AAKS-0 Rev: 30.0
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: WDC WD7500AAKS-0 Rev: 30.0
Type: Direct-Access ANSI SCSI revision: 05
I've run Wester Digital extensive diagnostics against both of the disks and each reports back "No Errors". I don't think I was expierencing this prior to a recent kernel upgrade. Currently the kernel is:
2.6.18-6-amd64
May try to roll kernel back to see if problem occurs.
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