On Fri, Nov 03, 2006 at 08:57:21PM +0100, O. Hartmann wrote: > > Compiling FreeBSD's world with make -j2 was never a problem while playing > sound or doing other work on screen - but this seems to be a big problem now, > even when SCHED_4BSD is used! > > While compiling world mouse stops and jumps, sound gets distorted. I > recognise thsi behaviour also when box is doing minor HD access: mouse > pointer stops, keyboard input gets stuck, sound stops playing, window > operations (opening/closing) seems to freeze. This got even worse whithin the > last two weeks (date when it starts getting this worse unknown). > This phenomenon occurs on both i386 and amd64 but is much worse on amd64. On > AMD64 very short and small HD activities seems to trigger this 'jumping' and > stopping. > > Both boxes are singel core CPUs, AMD64 is a Athlon 3500+, i386 is a HTT > enabled P4 at 3.0 GHz. > > I do not get any error or system fault, simply this jumping and freezing. > > On both systems PREEMPTION is enabled in the kernel, but the problem also > occurs without this option. > > Any ideas, suggestion, maybe explanations?
Check for interrupt storms (vmstat -i). Kris
pgpdtFjQEuZng.pgp
Description: PGP signature
