On Fri, 2007-05-04 at 19:13 -0700, Roy Franz wrote:
> I can't disable NCQ due to the sysfs file being read-only:
> 
> amd64:/sys/block/sdc/device# ls -al queue_depth
> -r--r--r-- 1 root root 0 2007-05-04 18:44 queue_depth
> amd64:/sys/block/sdc/device#
> amd64:/sys/block/sdc/device# echo 1 > queue_depth
> bash: queue_depth: Permission denied
> amd64:/sys/block/sdc/device#
> 
> I am running amd64 Etch, with this machine running a 2.6.20 kernel.  I checked
> another AMD64 machine that is running the stock Debian 2.6.18-4 kernel
> and the file is also readonly there.
> 
> This seems to be the officially supported way of enabling/disabling NCQ.
> 
> Has anybody else run into this or have a solution?

Why would you want to disable NCQ? You are using libSATA right?

Is your controller in the blacklist? or Are you specifically having some
kind of issue?
-- 
greg, [EMAIL PROTECTED] 
Novell's Directory Services is a competitive product to Microsoft's
Active Directory in much the same way that the Saturn V is a competitive
product to those dinky little model rockets that kids light off down at
the playfield. -- Thane Walkup

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