[Bug 451420] Re: Brasero burns very slow in Jaunty

[David]

I have found that the problem is related to DMA. I read some info in
other places about this. His is a work around (but causes another
problem I'll explain in a moment.

add "options pata_ali atapi_dma=1" to /etc/modprobe.d/options (new file)
add "echo 1 > /sys/module/pata_ali/parameters/atapi_dma" to /etc/rc.local
add "pata_ali atapi_dma=1" to "/etc/initramfs-tools/modules"

The problem is with DMA enabled, any time I do any kind of disk
intensive operation (ie. copy a large amount of files from one partition
to another.) I cannot do anything else until the operation is done as
the system becomes unresponsive. But it does seem to resolve the issue
although I have only burned one DVD since finding this issue. As a work
around I can run:

echo 1 > /sys/module/pata_ali/parameters/atapi_dma and then echo 0
after. Perhaps that would be something to consider from within Brasero?
Or perhaps there is a way to only enable DMA on the DVD and not the HD?
I'm out of my league on this so just random thoughts.

As far as trying in Karmic, unfortunately, I'm not in a position to do
that until it is production ready as my machine is in constant
production use.

-- 
Brasero burns very slow in Jaunty
https://bugs.launchpad.net/bugs/451420
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