Hi.
Of late, I am noticing link reset errors like the following in my kernel logs:
-------------------------
Jun 13 14:22:54 cellar kernel: [ 325.280104] ata4.01: exception Emask
0x0 SAct 0x0 SErr 0x0 action 0x6
Jun 13 14:22:54 cellar kernel: [ 325.280110] ata4.01: BMDMA stat 0x46
Jun 13 14:22:54 cellar kernel: [ 325.280114] ata4.01: failed command:
WRITE DMA EXT
Jun 13 14:22:54 cellar kernel: [ 325.280121] ata4.01: cmd
35/00:00:80:1d:36/00:04:1b:00:00/f0 tag 0 dma 524288 out
Jun 13 14:22:54 cellar kernel: [ 325.280123] res
51/84:41:3f:1e:36/84:03:1b:00:00/f0 Emask 0x30 (host bus error)
Jun 13 14:22:54 cellar kernel: [ 325.280127] ata4.01: status: { DRDY
ERR }
Jun 13 14:22:54 cellar kernel: [ 325.280129] ata4.01: error: { ICRC
ABRT }
Jun 13 14:22:54 cellar kernel: [ 325.280140] ata4: soft resetting
link
Jun 13 14:22:54 cellar kernel: [ 325.468415] ata4.01: configured for
UDMA/133
Jun 13 14:22:54 cellar kernel: [ 325.468430] ata4: EH complete
-----------------------------
These happen whenever there is even a moderate amount of disk i/o
going on. At first, I thought my 3+ years old Seagate 7200.10 SATA
disks were dying. So I went out & bought a new 1TB Seagate 7200.12
disk but these errors persist.
One difference though is that the older disks triggered "hard
resetting link" messages & the system would subsequently start
throwing I/O errors on all disk writes. No such errors on the new disk
so far but the 'soft resetting link' errors make me nervous.
The errors started on Ubuntu Karmic but I'm on Lucid now & still
seeing the errors. The motherboard is a Biostar Intel chipset one.
Any ideas what is going wrong or what I can do to narrow down the problem?
Thanks,
Deepak.
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