Date: Fri, 16 Mar 2007 20:47:00 +0800 From: "Rong-en Fan" <grafan@gmail.com> To: "Ariff Abdullah" <ariff@freebsd.org> Cc: cvs-src@freebsd.org, Bruno Damour <freebsd@ruomad.net>, src-committers@freebsd.org, Alexandre Sunny Kovalenko <alex.kovalenko@verizon.net>, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/dev/sound/pci/hda hdac.c Message-ID: <6eb82e0703160547p23dfe24ej79401d4ed7591769@mail.gmail.com> In-Reply-To: <200703151723.l2FHNdOl014188@repoman.freebsd.org> References: <200703151723.l2FHNdOl014188@repoman.freebsd.org>
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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 Regards, Rong-En Fan > Revision Changes Path > 1.27 +3 -1 src/sys/dev/sound/pci/hda/hdac.c
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