Date: Thu, 22 Nov 2007 08:33:46 +0000 (GMT) From: Robert Watson <rwatson@FreeBSD.org> To: =?windows-1252?Q?S=F8ren_Schmidt?= <sos@deepcore.dk> Cc: Maxim Sobolev <sobomax@FreeBSD.ORG>, cvs-src@FreeBSD.ORG, src-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG, =?windows-1252?Q?S=3Fren_Schmidt?= <sos@FreeBSD.ORG> Subject: Re: cvs commit: src/sys/dev/ata ata-all.h ata-chipset.c ata-dma.c ata-pci.c ata-pci.h atapi-cd.c atapi-fd.c atapi-tape.c Message-ID: <20071122082847.N60495@fledge.watson.org> In-Reply-To: <474533A4.3030106@deepcore.dk> References: <200711212115.lALLF16n017990@repoman.freebsd.org> <4744DE58.9090005@FreeBSD.org> <4744EF09.4060009@FreeBSD.org> <474533A4.3030106@deepcore.dk>
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This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --621616949-373262298-1195720426=:60495 Content-Type: TEXT/PLAIN; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE On Thu, 22 Nov 2007, S=F8ren Schmidt wrote: >>>> FreeBSD src repository >>>> >>>> Modified files: (Branch: RELENG_7) >>>> sys/dev/ata ata-all.h ata-chipset.c ata-dma.c ata-pci.c ata-pci.h= =20 >>>> atapi-cd.c atapi-fd.c atapi-tape.c Log: >>>> Update with the latest fixes from -current. >>>=20 >>> Please don't forget to merge at least atapi-cd.c fix into RELENG_6.=20 >>> Currently CD is not working in Parallels with 6.3-PRERELEASE. >>=20 >> Also, I see some "ad0: TIMEOUT - WRITE_DMA (retrying)" messages with=20 >> Parallels using latest 6.3-PRERELEASE snapshot. Not sure if it's due to= =20 >> some changes between 6.2 and 6.3, but I've never seen this with 6.2. Any= =20 >> ideas? > > I have a complete backport of all the latest fixes done for 6.3 awaiting= =20 > approval. > > I've seen such a timeout once on 6.3 before I merged the latest changes,= =20 > since then I've not seen any, not that it means much though :) I see them any time I do anything involving significant disk load under=20 Parallels--I've always assumed it was because there are several layers of= =20 indirection, including HFS+ and an expanding Parallels disk image, beween t= he=20 FreeBSD ATA driver and hardware, leading to significantly longer delays tha= n=20 the ATA driver would expect from normal hardware. That said, I'm fine with= =20 being wrong and seeing a bug fixed :-). I usually get several each time I= =20 buildkernel, such as last night: ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=3D5208191 ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=3D23670111 ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=3D5843715 ad0: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=3D40407615 Robert N M Watson Computer Laboratory University of Cambridge --621616949-373262298-1195720426=:60495--
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