linux-kernel - Re: 2.6.18-rc7: ide

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Date:	Mon, 27 Nov 2006 08:51:51 +0200
From:	Ville Herva <vherva@...nova.fi>
To:	Tejun Heo <htejun@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.18-rc7: ide_cd problems

On Mon, Nov 27, 2006 at 12:00:30PM +0900, you [Tejun Heo] wrote:
> Ville Herva wrote:
> >When ripping a cd with grip, I noticed the drive was not in DMA mode. I did
> >hdparm -d1 /dev/hdi. The grip process (it uses libcdda_paranoia.so and
> >libcdda_interface.so) hung, and attempt to kill it with -KILL failed.
> >Eventually it died but remained as zombie:
> 
> Known problem but probably won't get fixed.  

Fair enough.

> Just use hdparm only when the drive is idle. Put it somewhere in the boot
> script.

I already did, but DMA had dropped off in the meanwhile. 

It did burn a dvd without a hitch with DMA=1, though.

> Hmm... IDE should enable DMA automatically for most cases.  Can you post 
> full dmesg?

Will do. I'll just have to boot first.

It's currently unavailable, as the 

[2416661.676213] attempt to access beyond end of device
[2416661.676216] loop0: rw=0, want=1401620, limit=946048

messages from loop (/dev/hdi is limited to 946048 block as I described) have
filled dmesg.

Thanks.



-- v -- 

v@....fi

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