On Wed, 8 Jun 2005, Jean-Yves Lefort wrote: > On Wed, 8 Jun 2005 12:48:44 +0200 > Simon Barner <barner_at_FreeBSD.org> wrote: > > > 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 > > > > [...] > > > > Can I use the patch on 5.4-STABLE? It applies cleanly (with offset, > > though), but I prefer to ask before doing useless tests. > > I've just tested it on 5.4-RELEASE, and it causes the system to hang > after a few seconds of heavy disk I/O. I have updated the patch to partially revert some earlier behavior. The hang didn't happen on my machine because I have more memory, but I'm confident of the cause. I updated it in place, feel free to try it on current or 5.x. Thanks, Jeff > > -- > Jean-Yves Lefort > > jylefort_at_FreeBSD.org > http://lefort.be.eu.org/ >Received on Wed Jun 08 2005 - 11:57:17 UTC
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