Date: Mon, 26 Oct 2015 13:41:51 +0100 From: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= <royger@FreeBSD.org> To: Adrian Chadd <adrian.chadd@gmail.com> Cc: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= <royger@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r289834 - head/sys/x86/x86 Message-ID: <562E1F8F.3010304@FreeBSD.org> In-Reply-To: <CAJ-Vmok2WnSe2DA6jf6eLsL=OGsUD2_1LgLFRJi3LAhYk5aMwA@mail.gmail.com> References: <201510231539.t9NFdxPe018130@repo.freebsd.org> <562A564D.9080703@citrix.com> <CAJ-Vmok2WnSe2DA6jf6eLsL=OGsUD2_1LgLFRJi3LAhYk5aMwA@mail.gmail.com>
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El 26/10/15 a les 13.24, Adrian Chadd ha escrit: > Hi, > > I've started seeing panics on -head with ATA code doing a dmamap load > -> panic. I'll test by reverting this patch and see what happens, but > when it /does/ happen I can't get a crashdump, so debugging will be > less easy. > > Has anyone else seen this? I've got another report regarding ATA page-faults from Oliver Pinter. The crash he was seeing was caused by bus_dmamap_load_ccb, but the calls to the specific dma functions where optimized away. Can you figure out which bounce_* function causes this specifically? Thanks, Roger.
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