From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 14515] New: ATA controller losing interrupt, system stall
Date: Sat, 31 Oct 2009 01:19:42 GMT
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http://bugzilla.kernel.org/show_bug.cgi?id=14515
Summary: ATA controller losing interrupt, system stall
Product: IO/Storage
Version: 2.5
Kernel Version: 2.6.31
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: IDE
AssignedTo: io_ide@kernel-bugs.osdl.org
ReportedBy: lloyd@fusion.net.nz
Regression: Yes
Created an attachment (id=23602)
--> (http://bugzilla.kernel.org/attachment.cgi?id=23602)
Kernel Log
I've just encountered a problem when moving from Ubuntu 9.04 to 9.10. There are
large stalls every now and again and looking at the kernel log, I'm getting
lost interrupts on the ATA interface. This did not happen with the previous
2.6.28 kernel.
Here's a sample from the log.
[ 86.816503] ata1: lost interrupt (Status 0x58)
[ 86.820070] ata1: drained 32768 bytes to clear DRQ.
[ 86.928979] ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 86.929068] ata1.01: cmd a0/00:00:00:00:00/00:00:00:00:00/b0 tag 0
[ 86.929070] cdb 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 86.929072] res 58/00:01:00:00:00/00:00:00:00:00/b0 Emask 0x2 (HSM
violation)
[ 86.929277] ata1.01: status: { DRDY DRQ }
[ 86.929353] ata1: soft resetting link
This is on an Acer Aspire laptop with a PIIX chipset and an Intel Mobile 945
GMA
The hard disk is a PATA WD600UE.
See attached kernel log and pci dump.
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