Date: Wed, 24 Sep 2008 12:38:27 +0200 From: "Marco Trillo" <marcotrillo@gmail.com> To: "Nathan Whitehorn" <nwhitehorn@freebsd.org> Cc: freebsd-ppc@freebsd.org Subject: Re: Call for testers: Apple ATA DMA Message-ID: <b9c23c9f0809240338g61e93beoba429ea319a9d56@mail.gmail.com> In-Reply-To: <48D92D44.6080807@freebsd.org> References: <48D389EE.9000207@FreeBSD.org> <48D3AD50.8070505@freebsd.org> <48D69679.1080701@freebsd.org> <48D7F437.1040603@FreeBSD.org> <645CD2B8-11A0-42E8-B5F9-C04DCF21F763@mac.com> <48D84C12.7070207@freebsd.org> <0DD89065-9CF3-45E4-89A0-70D6BBB9621D@mac.com> <48D92D44.6080807@freebsd.org>
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Hi Nathan, I tested the patch on a eMac G4 "USB 2.0" (PowerMac6,4). It has an ata-3 macio cell and a Kauai controller. acd0: DVDR <HL-DT-ST RW/DVD GCC-4481B/2.05> at ata0-master WDMA2 ad0: 38166MB <Seagate ST340015A 3.01> at ata1-master UDMA100 WARNING: WITNESS option enabled, expect reduced performance. acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly acd0: TIMEOUT - READ_BIG retrying (1 retry left) acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly acd0: TIMEOUT - READ_BIG retrying (0 retries left) acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly acd0: FAILURE - READ_BIG timed out ... And then the same cycle starts again. This looks similar to the problems Marcel reported, but in this case the Kauai controller only has one device attached, the hard disk; as the CD drive is on the ata-3 macio controller instead. Thanks, Marco.
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