I would check the raid/hdd controller drivers. make sure DMA is in use. This kind of freezing is common on high i/o storage devices when dma is not in use. If its a DMA issue, it will persist even when not using dmcrypt. On 3/6/07, Andreas Westin <Andreas-Westin@xxxxxxx> wrote:
I'm experiencing similar problems with luks on an dual athlon mp box. When copying a large file it will lock for 10sec or so and then continue fine. /Andreas Jon wrote: > Hi, > > I've just setup dm-crypt and I'm finding that my system freezes for > 1-2 seconds every 10 seconds or so, when writing out to an encrypted > partition. The mouse pointer stops moving and I can't type anything. I > found a thread about this from November last year: > > http://article.gmane.org/gmane.linux.kernel.device-mapper.dm-crypt/1940 > > The solution in that thread (to renice kjournald) doesn't seem to work > for me. > > I'm seeing this on an old P3 and a new dual-core laptop, both about as > bad as eachother. Both are Debian; I've tried the standard Debian > kernel (2.6.18) and vanilla 2.6.20. > > I can't find many other complaints about this - is it normal behaviour? > > Many thanks. > > --------------------------------------------------------------------- > dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ > To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx > For additional commands, e-mail: dm-crypt-help@xxxxxxxx > > --------------------------------------------------------------------- dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx For additional commands, e-mail: dm-crypt-help@xxxxxxxx