FreeBSD 5.x installation hangs on Toshiba Tecra A2

[Jamil Ahmed]

John,

works fine for me too, thanks

Jamil

>From: Munehiro Matsuda <haro at h4.dion.ne.jp>
>To: jhb at FreeBSD.org
>CC: imp at bsdimp.com, jamil.ahmed at hotmail.co.uk, freebsd-mobile at FreeBSD.org
>Subject: Re: FreeBSD 5.x installation hangs on Toshiba Tecra A2
>Date: Sat, 28 May 2005 17:31:43 +0900 (JST)
>
>Hello John,
>
>With your patch applied, my Toshiba dynabook SS MX/190R now boots
>without need for setting 'hw.pci.enable_io_modes=0' in loader.conf.
>
>Thanks for the patch,
>  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 at kgt.co.jp
>
>From: John Baldwin <jhb at FreeBSD.org>
>Date: Fri, 27 May 2005 15:51:12 -0400
>::On Friday 20 May 2005 11:32 pm, M. Warner Losh wrote:
>::> In message: <79e6b51a7fb7d0233cb0c9e886d92ddf at FreeBSD.org>
>::>
>::>             John Baldwin <jhb at 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 at kgt.co.jp
>::> : >
>::> : > From: "Jamil Ahmed" <jamil.ahmed at 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 at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
>::"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org
>::

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