Date: Fri, 27 May 2005 15:51:12 -0400 From: John Baldwin <jhb@FreeBSD.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: haro@h4.dion.ne.jp, freebsd-mobile@FreeBSD.org, jamil.ahmed@hotmail.co.uk Subject: Re: FreeBSD 5.x installation hangs on Toshiba Tecra A2 Message-ID: <200505271551.14371.jhb@FreeBSD.org> In-Reply-To: <20050520.213250.23089084.imp@bsdimp.com> References: <BAY15-F428283999CE8A4ED040C85BA170@phx.gbl> <79e6b51a7fb7d0233cb0c9e886d92ddf@FreeBSD.org> <20050520.213250.23089084.imp@bsdimp.com>
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On Friday 20 May 2005 11:32 pm, M. Warner Losh wrote: > In message: <79e6b51a7fb7d0233cb0c9e886d92ddf@FreeBSD.org> > > John Baldwin <jhb@FreeBSD.org> writes: > : On May 18, 2005, at 2:56 AM, Munehiro Matsuda wrote: > : > Hello Jamil, > : > > : > How about setting 'hw.pci.enable_io_modes=0' at loader prompt or > : > set it in loader.conf? Toshiba laptops seems to need this. > : > > : > Hope this helps, > : > Haro > : > =---------------------------------------------------------------------- > : > -------- > : > _ _ Munehiro (haro) Matsuda > : > -|- /_\ |_|_| Internet Solution Dept., KGT Inc. > : > /|\ |_| |_|_| 2-8-8 Shinjuku Shinjuku-ku Tokyo 160-0022, Japan > : > Tel: +81-3-3225-0767 Fax: +81-3-3225-0740 > : > Email: haro@kgt.co.jp > : > > : > From: "Jamil Ahmed" <jamil.ahmed@hotmail.co.uk> > : > Date: Wed, 18 May 2005 07:42:41 +0100 > : > > : > ::Hello, > : > :: > : > ::I am having trouble installing FreeBSD 5.x on my laptop (the > : > > : > processor is > : > > : > ::Intel Centrino 1.7GHz). I have tried 5.3 and now 5.4, the load stops > : > > : > at the > : > > : > ::same place for both. FreeBSD 4.10 installs fine. I have tried the > : > > : > normal > : > > : > ::boot and also boot with ACPI disabled without luck. The following is > : > > : > the > : > > : > ::tail end of the output when booting with verbose output > : > :: > : > ::pcib0: slot 2 INTA routed to irq 10 via \_SB_.LNKA > : > ::found-> vendor=0x8086, dev=0x3582, revid=0x02 > : > :: bus=0, slot=2, func=0 > : > :: class=03-00-00, hdrtype=0x00, mfdev=1 > : > :: cmdreg=0x0007, statreg=0x0090, cachelnsz=0 (dwords) > : > :: lattimer=0x00 (0 ns), mingnt-0x00 (0 ns), maxlat=0x00 (0 ns) > : > :: intpin=a, irq=10 > : > :: powerspec 1 supports D0 D1 D3 current D0 > : > :: map[10]: type 3, range 32, base 00000000, size 27, memory > : > > : > disabled > : > > : > ::the install just stalls at this point. > : > : So, the problem is that we turn on the memory BARs by default. Note > : that the BAR has a base address of 0, so I wonder if it starts > : "answering" to mem access to low memory. Note it has a range of 27 > : bits, or 128 MB. We could probably just move the check for a base of 0 > : up above the pci_enable_io_modes code to do that. Warner, what do you > : think? > > Sounds reasonable to me on its surface. Wanna shoot me a patch? Index: pci.c =================================================================== RCS file: /usr/cvs/src/sys/dev/pci/pci.c,v retrieving revision 1.289 diff -u -r1.289 pci.c --- pci.c 29 Apr 2005 06:22:41 -0000 1.289 +++ pci.c 27 May 2005 19:50:04 -0000 @@ -823,6 +823,13 @@ } /* + * If base is 0, then we have problems. It is best to ignore + * such entires for the moment. These will be allocated later if + * the driver specifically requests them. + */ + if (base == 0) + return 1; + /* * This code theoretically does the right thing, but has * undesirable side effects in some cases where peripherals * respond oddly to having these bits enabled. Let the user @@ -847,13 +854,6 @@ if (type == SYS_RES_MEMORY && !pci_memen(pcib, b, s, f)) return (1); } - /* - * If base is 0, then we have problems. It is best to ignore - * such entires for the moment. These will be allocated later if - * the driver specifically requests them. - */ - if (base == 0) - return 1; start = base; end = base + (1 << ln2size) - 1; -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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