Date: Wed, 11 Aug 2004 09:18:48 +0200 From: =?ISO-8859-1?Q?S=F8ren_Schmidt?= <sos@DeepCore.dk> To: Radek Kozlowski <radek@raadradd.com> Cc: Nate Lawson <nate@root.org> Subject: Re: Panic on boot with today's CURRENT, ata related Message-ID: <4119C858.6070000@DeepCore.dk> In-Reply-To: <20040810215907.GD28585@werd> References: <4113EB2A.7060401@root.org> <20040806221109.GC55186@werd><411406AA.3030607@root.org> <20040810203822.GB28585@werd><41193370.3020302@root.org> <20040810210112.GC28585@werd><411939FC.5060001@root.org> <20040810215907.GD28585@werd>
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Radek Kozlowski wrote: > -atapci0: Reserved 0x10 bytes for rid 0x20 type 4 at 0x8080 > [...] > -ata0-master: setting UDMA100 on AcerLabs Aladdin chip > [...] > -ATAPI_RESET time =3D 160us > +ATAPI_RESET time =3D 180us > [...] > -ad0: 16 secs/int, 1 depth queue, UDMA100 > +ad0: 16 secs/int, 1 depth queue, PIO4 >=20 > Please tell me if there's more I can do. Thank you. Hmm, you are not getting the DMA resource, or the PCI config registers=20 are not responding as they should. To get more info you should instrument the code in ata-pci.c around=20 lines 178-190 to see what it is that rejects the DMA resource. Something changes in the resources/PCI config that is sent to the ATA=20 driver so that it either cant get at the I/O ports for DMA or so that=20 the PCI config regs wont allow busmastering to be enabled.. Wether this is in ACPI or the PCI code I cant tell without more info=20 from doing the above instrumenting.. -S=F8ren
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