Re: Frequent SATA resets with sata_nv (fwd)

[Matthew \"Cheetah\" Gabeler-Lee]

On Sun, 24 Jun 2007, Robert Hancock wrote:

> Matthew "Cheetah" Gabeler-Lee wrote:
> > (Please cc me on replies)
> > 
> > I have three samsung hdds (/sys/block/sda/device/model says SAMSUNG SP2504C)
> > in a raid configuration.  My system frequently (2-3x/day) experiences
> > temporary lockups, which produce messages as below in my dmesg/syslog.  The
> > system recovers, but the hang is annoying to say the least.
> 
> Does this drive actually support NCQ? I can't tell from this part of the  log.

I selected that model in part because it at least claimed to support 
NCQ.  I'm not sure if it reflects NCQ or not, but I do have 
/sys/block/sd[abc]/device/queue_{depth,type} which show simple and 31 
respectively.  Samsung's page for the drive also says it supports NCQ: 
http://www.samsung.com/Products/HardDiskDrive/SpinPointPSeries/HardDiskDrive_SpinPointPSeries_SP2504C.htm

-- 
	-Cheetah
"Reality is that which, when you stop believing in it, doesn't go away".
                -- Philip K. Dick
GPG pubkey fingerprint: A57F B354 FD30 A502 795B 9637 3EF1 3F22 A85E 2AD1
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/