I recently did an apt-get update on my system, originally installed using
Mepis linux (www.mepis.org), to Debian Sid. This was a fairly full update,
but seemed to go without a hitch.

Unfortunately, Mepis seemed to have some more aggressive settings than
straight Debian (which, having been a Debian user for years, I know is
renown for being conservative in its default settings, valuing stability
over speed).

I use Kino, the non-linear digital video editing program on this machine,
and it has worked extremely well on Mepis. However, after the update the
playback of video files within Kino is about 1/2 speed; they played back
at proper speed before the upgrade. I am taking a wild guess that there is
some setting somewhere for some program that affects the access speed for
the hard drive  that has more conservative settings in Debian than in
Mepis, which is causing this problem.

For each update that requested a prompt to overwrite configuration files,
and for which I had not made any changes myself, I selected "Y" to install
the new version of the configuration file. I expect it was one of these
that made the change that caused the slow-down.

The problem is not with Kino itself (which is compiled from source, and
was not upgraded).

I checked whether the upgrade had somehow turned off DMA (it didn't),
which is about the only speed-up-access-to-stuff-on-the-hardrive option I
know about.

Any other thoughts own what programs I should be looking at that could
affect the speed Kino reads from the hard drive? Any other ideas what
could cause this kind of behaviour when doing an upgrade to Debian Sid
from Mepis?

(please cc. me on answers - thanks)

Thanks,

Bruce


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