Date: Thu, 14 Oct 2004 11:03:33 +0900 From: Pyun YongHyeon <yongari@kt-is.co.kr> To: Brian Fundakowski Feldman <green@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/sound/isa ad1816.c ess.c mss.c sb16.c sb8.c src/sys/dev/sound/pci au88x0.c aureal.c csapcm.c ds1.c emu10k1.c es137x.c fm801.c ich.c maestro3.c solo.c t4dwave.c via8233.c via82c686.c Message-ID: <20041014020333.GA11436@kt-is.co.kr> In-Reply-To: <20041013140803.GB986@green.homeunix.org> References: <200410130545.i9D5jHrv075327@repoman.freebsd.org> <20041013140803.GB986@green.homeunix.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Oct 13, 2004 at 10:08:04AM -0400, Brian Fundakowski Feldman wrote: > > Log: > > Audio drivers failed to detect failure condition and attempted to > > assign DMA address to the wrong address. It can cause system lockup > > or other mysterious errors. Since most sound cards requires low DMA > > address(BUS_SPACE_MAXADDR_24BIT) sndbuf_alloc() would fail when the > > audio driver is loaded after long running of operations. > > > > Approved by: jake (mentor) > > Reviewed by: truckman, matk > > Good job fixing all of these; do you notice that they succeed "more > often" with the new contigmalloc(9)? (It is the backend of the busdma > physical memory allocations.) > Since I have very small set of sound hardware I don't know whether it helped or not. But I saw a mail which sounds like a DMA buffer allocation issue. http://lists.freebsd.org/pipermail/freebsd-multimedia/2004-September/001382.html There is an another patch for sndbuf_alloc(). I'm waiting for Scott's comments. -- Regards, Pyun YongHyeon http://www.kr.freebsd.org/~yongari | yongari@freebsd.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20041014020333.GA11436>