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Old 09-03-2008, 10:38 PM
maximilian attems
 
Default Bug#497713: linux-image-2.6.26-1-686-bigmem: Reading speed regression when using firewire external disks

On Wed, Sep 03, 2008 at 10:41:43PM +0300, Hakan BAYINDIR wrote:
> Package: linux-image-2.6.26-1-686-bigmem
> Version: 2.6.26-3
> Severity: important
>
>
> I'm using a Maxtor One Touch 4 Plus 1TB External disk connected over
> firewire for 4 months. Until 2.6.26, this disk was steadily reading
> 38MB/Sec and writing 26MB/Sec.
>
> When I installed 2.6.26, reading speed dropped to a steady 24MB/Sec
> while writing speed is unchanged.
>
> Unfortunately, I've upgraded my motherboard's BIOS same day but since
> the firewire connector on my audigy2ZS is reporting similar speeds with
> the connector on the motherboard, I'm confident that the problem is not
> BIOS related.
>
> System is running on an Intel Core2Quad Q6600 with P35 chipset (MSI P35
> Platinum) and 4GB RAM.

right we couldn't release with the new firewire stack,
as userspace wasn't ready video capture and so on didn't work.

this is fixed for Squeeze as there we will default to the juju firewire
stack, see http://wiki.linux1394.org/JujuMigration

thanks for the understanding

--
maks



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