On Tue, Jun 07, 2005 at 11:32:12PM -0400, Jeff Roberson wrote: > I have a patch that should greatly improve the sound skipping problems > people have under heavy io load. Several people sent me traces that > showed the buf daemon running for hundreds of milliseconds with Giant > held, which can hold up the pcm code. The patch is available at: > > http://www.chesapeake.net/~jroberson/flushbuf.diff > > This changes flushbufqueues to flush multiple buffers instead of one > buffer at a time. It also places buffers we failed to flush at the end of > the list, and uses a sentinal to track our progress through the list. > This almost entirely solved the skipping problem for me. Depending on > user feedback we can do a little more to reduce the time spent processing > here. > Unfortunatly, it seems that it doesn't show much difference. HW: Gateway Solo 5300(UP, P3 700MHz, maestro3 driver) As soon as I started to extract mozilla source the sound playing stopped and the system seems to be freezed. (No response from keyboard input except showing ^C.) It seems that there is no difference with/without witness. -- Regards, Pyun YongHyeon http://www.kr.freebsd.org/~yongari | yongari_at_freebsd.orgReceived on Wed Jun 08 2005 - 04:15:44 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:38:36 UTC