Date: Fri, 16 Mar 2007 17:09:16 -0400 From: "Alexandre \"Sunny\" Kovalenko" <alex.kovalenko@verizon.net> To: Rong-en Fan <grafan@gmail.com> Cc: cvs-src@freebsd.org, Bruno Damour <freebsd@ruomad.net>, src-committers@freebsd.org, cvs-all@freebsd.org, Ariff Abdullah <ariff@freebsd.org> Subject: Re: cvs commit: src/sys/dev/sound/pci/hda hdac.c Message-ID: <1174079356.829.18.camel@RabbitsDen> In-Reply-To: <6eb82e0703160547p23dfe24ej79401d4ed7591769@mail.gmail.com> References: <200703151723.l2FHNdOl014188@repoman.freebsd.org> <6eb82e0703160547p23dfe24ej79401d4ed7591769@mail.gmail.com>
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On Fri, 2007-03-16 at 20:47 +0800, Rong-en Fan wrote: > On 3/16/07, Ariff Abdullah <ariff@freebsd.org> wrote: > > ariff 2007-03-15 17:23:39 UTC > > > > FreeBSD src repository > > > > Modified files: > > sys/dev/sound/pci/hda hdac.c > > Log: > > NOOP (for now) for hdac_dma_nocache(). It is a wrong way to enforce > > cache coherency, besides of causing train wreck in other places > > (especially on amd64, possibly on i386). > > > > Discussed with: kib@, rafan@ > > Tested by: rafan@ > > Thank you! Now I can really use this laptop. > > By the way, I guess this may also solve these two problems reported > on -current some time ago: > > Bruno Damour: buildworld with core2 duo fails with page fault while in > kernel mode > > Alexandre Sunny Kovalenko: -CURRENT panics on intensive fs operations Unfortunately (or fortunately, depending on how you look at things) I can no longer panic my system with -CURRENT from March 8th. Instead, I get make to dump core while doing (cd /usr/ports; make clean). This does not change with snd_hda being loaded. I will cvsup and run overnight test just to see if anything changes with this commit. Alexandre "Sunny" Kovalenko.
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