SATA messages - ReadList.com

1 msg	libsoup-2.2.103 access violation
10 msg	static IP, gateway and netmask setting
1 msg	new box working well: 2 small problems

SATA messages
\ Stefan G. Weichinger (23 Nov 2007)
. \ Stefan G. Weichinger (23 Nov 2007)

3 msg	Issues pinging localhost and starting apache.
3 msg	Usb device not accepting address x, error -71
3 msg	[OT] BBC claim on low numbers of Linux visitors
1 msg	Who sets the USER environment variable?
1 msg	udevd-event 'error'
7 msg	Samba basics
13 msg	mount cdrom: No buffer space available
7 msg	Ghostscript - font path
10 msg	Failure to compile gcc-3.3.6-r1
3 msg	{OT} Weird image-serving behavior
5 msg	dhcpcd brokenness
4 msg	OT: .vimrc
10 msg	ruby gems
5 msg	Chroot question
18 msg	gtkpod won't start
2 msg	kdegraphics

Subject:	SATA messages
Group:	Gentoo-user
From:	Stefan G. Weichinger
Date:	23 Nov 2007

Greets, gentoo-users,

what about these msgs in dmesg?

I get some repetitions of this block:

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
ata1.00: configured for UDMA/133
ata1: EH complete
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
ata1.00: configured for UDMA/133
ata1: EH complete

----

then this:

sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA
sd 0:0:0:0: [sda] 976773168 512-byte hardware sectors (500108 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA

----

After this no more SATA-related stuff in dmesg.

/dev/sda works OK so far, I just wonder if this points to any problem I
should take care of.

# cat /proc/version
Linux version 2.6.22-gentoo-r9 (root@mybox) (gcc version 4.1.2 (Gentoo
4.1.2 p1.0.2)) #3 SMP PREEMPT Thu Nov 22 09:45:37 CET 2007

It's a P4900M2 Mainboard from MSI

"lspci -v" shows this:

00:0f.0 IDE interface: VIA Technologies, Inc. Unknown device 5337 (rev
80) (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: Micro-Star International Co., Ltd. Unknown device 7255
Flags: bus master, medium devsel, latency 32, IRQ 11
I/O ports at dc00 [size=8]
I/O ports at d880 [size=4]
I/O ports at d800 [size=8]
I/O ports at d480 [size=4]
I/O ports at d400 [size=16]
I/O ports at d000 [size=256]
Capabilities: [c0] Power Management version 2

00:0f.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 07)
(prog-if 8a [Master
SecP PriP])
Subsystem: Micro-Star International Co., Ltd. Unknown device 7255
Flags: bus master, medium devsel, latency 32
[virtual] Memory at 000001f0 (32-bit, non-prefetchable)
[disabled] [size=8]
[virtual] Memory at 000003f0 (type 3, non-prefetchable)
[disabled] [size=1]
[virtual] Memory at 00000170 (32-bit, non-prefetchable)
[disabled] [size=8]
[virtual] Memory at 00000370 (type 3, non-prefetchable)
[disabled] [size=1]
I/O ports at fc00 [size=16]
Capabilities: [c0] Power Management version 2

No explicit SATA-controller mentioned here.

I use sata_via, should I disable it and use sata_ahci instead?
I read somewhere that newer VIA-SATA-controllers use AHCI, don't know if
mine is "newer".

Maybe I just compile another kernel with only AHCI-support to try that.

Thanks, Stefan
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