[Bug 482509] Re: KTorrent hangs whole system when rescaning data

amichair amichai2 at amichais.net
Sun Apr 11 17:39:55 UTC 2010

I suffer from the same lock up described here. I noticed it happens both
when checking the files, and when ktorrent is configured to "Fully
reserve disk space" before the download begins. But then, I've seen
similar symptoms when there's a whole lot of disk thrashing unrelated to
ktorrent as well (long backup, etc.) Having a mouse cursor freeze due to
disk activity is a serious problem in any case - responsiveness should
be completely decoupled from disk activity. Maybe other Bittorrent
clients buffer disk activity differently which alleviates the symptoms,
or maybe there's more than one issue at hand.

For the record, I have a Q9550, 4G RAM (both with ample space when the
problem occurs), Karmic amd64, KDE 4.3.5, KTorrent 3.2.4, and do not use
any encryption.

What I do think might be related is the speed of the disk which makes
the IO bottleneck worse, causing this problem. Can others confirm
whether they're writing to a slower green/5400RPM/low power/high-
capacity media disk? Or do you see this also on fast disks (to the same

KTorrent hangs whole system when rescaning data
You received this bug notification because you are a member of Kubuntu
Bugs, which is subscribed to ktorrent in ubuntu.

More information about the kubuntu-bugs mailing list