Robert Hancock wrote:
Fred Moyer wrote:
I just joined the list today so apologies if this email breaks any
email client post threading.
I have been seeing similar errors on two different systems. I applied
Robert's sata_nv patch posted to the list on May 5th, and approved
today by Jeff Garzik. I've taken several steps to insure that this
isn't a faulty cable or drive issue. This is running on a hp
dl145g2. Here is my lspci, dmesg, and relevant kernel config sections:
(snip)
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata1.00: cmd b0/d2:f1:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data
123392 in
res 50/00:f1:00:4f:c2/00:00:00:00:00/00 Emask 0x202 (HSM
violation)
ata1: soft resetting port
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: configured for UDMA/100
ata1: EH complete
This appears to be a different problem. Something is issuing
SMART-related commands (smartd or smartctl perhaps) which the drive
seems to be reacting strangely to. It apparently completed the command
but never raised DRQ to request any data being transferred even though
we expected it to. Maybe SMART is disabled on the drive and that's
causing it to just toss these commands? CCing linux-ide in case anyone
knows what would cause this.
Here's smartctl -a for this drive - same output for both sda and sdb.
Smartd is currently running. Any advice appreciated.
Previously on 2.6.15 I was seeing sdb remount as readonly under heavy
i/o. I have not seen that issue yet with 2.6.21 (with Robert's patch
from May 5th for sata_nv), but that occurrence of remounts read-only was
infrequently, so that issue may be solved.
app2 ~ # smartctl -a /dev/sda
smartctl version 5.36 [x86_64-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/
Device: ATA ST3808110AS Version: n/a
Serial number: 5LR8895K
Device type: disk
Local Time is: Sat May 12 12:05:58 2007 PDT
Device does not support SMART
Error Counter logging not supported
[GLTSD (Global Logging Target Save Disable) set. Enable Save with '-S on']
Device does not support Self Test logging
app2 ~ # ps aux | grep smart
root 5227 0.0 0.0 2892 672 ? S May11 0:00
/usr/sbin/smartd -p /var/run/smartd.pid
root 19510 0.0 0.0 2648 648 pts/0 S+ 12:07 0:00 grep
--colour=auto smart
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