linux-kernel - Bug report

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Date:	Mon, 20 Aug 2012 17:31:44 -0500
From:	"mr.shroom" <mr.shroom@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Bug report

SATA for kernel(s) 3.5+ has an issue with IRQ Balancing on AMD SB710
with motherboard ASRock m3a770d3.

The problem started while using Arch linux, after going back to Debian
it persisted.  I had tried to find problems with the bug but couldn't
find any direct help online.  I had a break when finding similar bugs
on other sites stating that IRQ Balancing might be the fault.  So I
tried ACPI_IRQ_NOBALANCE in the kernel boot parameters and so far the
issue has stopped.

Linux version 3.6.0-rc2 (mboy@...ian) (gcc version 4.7.1 (Debian
4.7.1-6) ) #1 SMP Sat Aug 18 00:46:06 CDT 2012

Aug 20 12:32:08 debian kernel: [42238.075368] ata4.00: exception Emask
0x0 SAct 0x7f SErr 0x0 action 0x6 frozen
Aug 20 12:32:08 debian kernel: [42238.075373] ata4.00: failed command:
WRITE FPDMA QUEUED
Aug 20 12:32:08 debian kernel: [42238.075377] ata4.00: cmd
61/08:00:c8:0a:89/00:00:01:00:00/40 tag 0 ncq 4096 out
Aug 20 12:32:08 debian kernel: [42238.075377]          res
40/00:00:00:4f:c2/00:00:00:4f:c2/00 Emask 0x4 (timeout)
Aug 20 12:32:08 debian kernel: [42238.075379] ata4.00: status: { DRDY }
Aug 20 12:32:08 debian kernel: [42238.075381] ata4.00: failed command:
WRITE FPDMA QUEUED
Aug 20 12:32:08 debian kernel: [42238.075384] ata4.00: cmd
61/08:08:f8:cb:8a/00:00:03:00:00/40 tag 1 ncq 4096 out
Aug 20 12:32:08 debian kernel: [42238.075384]          res
40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Aug 20 12:32:08 debian kernel: [42238.075386] ata4.00: status: { DRDY }
Aug 20 12:32:08 debian kernel: [42238.075388] ata4.00: failed command:
WRITE FPDMA QUEUED
Aug 20 12:32:08 debian kernel: [42238.075391] ata4.00: cmd
61/10:10:80:95:86/00:00:08:00:00/40 tag 2 ncq 8192 out
Aug 20 12:32:08 debian kernel: [42238.075391]          res
40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Aug 20 12:32:08 debian kernel: [42238.075393] ata4.00: status: { DRDY }
Aug 20 12:32:08 debian kernel: [42238.075394] ata4.00: failed command:
READ FPDMA QUEUED
Aug 20 12:32:08 debian kernel: [42238.075397] ata4.00: cmd
60/60:18:60:71:62/00:00:00:00:00/40 tag 3 ncq 49152 in
Aug 20 12:32:08 debian kernel: [42238.075397]          res
40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Aug 20 12:32:08 debian kernel: [42238.075399] ata4.00: status: { DRDY }
Aug 20 12:32:08 debian kernel: [42238.075401] ata4.00: failed command:
READ FPDMA QUEUED
Aug 20 12:32:08 debian kernel: [42238.075404] ata4.00: cmd
60/08:20:c8:71:62/00:00:00:00:00/40 tag 4 ncq 4096 in
Aug 20 12:32:08 debian kernel: [42238.075404]          res
40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Aug 20 12:32:08 debian kernel: [42238.075406] ata4.00: status: { DRDY }
Aug 20 12:32:08 debian kernel: [42238.075407] ata4.00: failed command:
READ FPDMA QUEUED
Aug 20 12:32:08 debian kernel: [42238.075410] ata4.00: cmd
60/18:28:d8:71:62/00:00:00:00:00/40 tag 5 ncq 12288 in
Aug 20 12:32:08 debian kernel: [42238.075410]          res
40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Aug 20 12:32:08 debian kernel: [42238.075412] ata4.00: status: { DRDY }
Aug 20 12:32:08 debian kernel: [42238.075413] ata4.00: failed command:
READ FPDMA QUEUED
Aug 20 12:32:08 debian kernel: [42238.075417] ata4.00: cmd
60/08:30:f8:71:62/00:00:00:00:00/40 tag 6 ncq 4096 in
Aug 20 12:32:08 debian kernel: [42238.075417]          res
40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Aug 20 12:32:08 debian kernel: [42238.075418] ata4.00: status: { DRDY }
Aug 20 12:32:08 debian kernel: [42238.075422] ata4: hard resetting link

After it would reset, it would try SATA I, fail, then mount the drive
as RO.  I'm running a Phenom II on Debian Wheezy with a bit of Sid,
don't have the time at the moment to get a better grasp on what you
need for a proper bug report but I hope this helps.
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