amd64/105514: FreeBSD/amd64 - Fails to boot on HP Pavilion dv8000 Laptop

[Kostik Belousov]

The following reply was made to PR amd64/105514; it has been noted by GNATS.

From: Kostik Belousov <kostikbel at gmail.com>
To: Scot Hetzel <swhetzel at gmail.com>
Cc: Remko Lodder <remko at freebsd.org>, freebsd-amd64 at freebsd.org,
        bug-followup at freebsd.org
Subject: Re: amd64/105514: FreeBSD/amd64 - Fails to boot on HP Pavilion dv8000 Laptop
Date: Mon, 8 Oct 2007 19:29:12 +0300

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 On Sat, Oct 06, 2007 at 02:38:59PM -0500, Scot Hetzel wrote:
 > On 9/24/07, Remko Lodder <remko at freebsd.org> wrote:
 > > Does this occur with recent 7-CURRENT ISO images as well?
 > > Does this occur with other images then the AMD64 one? e.g.
 > > the I386 one?
 > >=20
 > > Would it be possible for you to see what is going on there?
 > >=20
 > I finally had a chance to retest, and so far FreeBSD is failing to boot w=
 ith the i386 ISO also.  I have tested several versions:
 >=20
 > 6.1-RELEASE-i386-bootonly.iso
 > 6.2-RELEASE-i386-disc1.iso
 > 7.0-20070928-SNAP-i386-bootonly.iso
 >=20
 > And they all give me the same error:
 >=20
 > corrupt symbol?
 > <loader menu>
 > /boot/kernel/acpi.ko text=3D0x53a80 data=3D0x23a0+0x184c syms=3D[0x4+0x85=
 90+0x4+0xb030]
 > loading required module 'pci'
 > ACPI auto load failed - no such file or directory
 >=20
 > int=3D00000006  err=3D00000000  efl=3D00010086  eip=3D00459b43
 > eax=3D00459bc9  ebx=3D00459640  ecx=3Da0000075  edx=3D000488a0
 > esi=3D00066254  edi=3D0005bf7c  ebp=3D00094484  esp=3D0009e440
 > cs=3D0008  ds=3D0010  es=3D0010  fs=3D0010  gs=3D0010  ss=3D0010
 > cs:eip=3D f0 e8 57 ff ff ff 89 c2-83 f8 ff 75 d8 83 c7 34
 >              81 ff e8 38 b8 c0 75 c3-8b 15 b8 0d bb c0 89 d0
 > ss:esp=3D 40 9b 45 00 90 95 00 00-00 00 00 80 75 00 00 a0
 >               00 00 00 00 00 00 00 00-00 00 00 00 a0 88 04 00
 > BTX Halted
 >=20
 > This was the output of the 7.0-20070928-SNAP-i386-bootonly CD.
 >=20
 > I still get the crash with the FreeBSD/amd64 CD, but the output is unread=
 able due to it constantly scrolling on the screen.  If I hold hold down the=
  space bar as detailed in the PR, it will boot into sysinstall (7.0-2007092=
 8-SNAP-amd64-bootonly.iso)
 >=20
 > I used the 7.0 SNAPs from:
 > http://snapshots.us.freebsd.org/snapshots/
 
 I downloaded that image and looked what is located at the eip=3D00459b43 in
 the kernel image. Since low mapping + 0xc0000000 =3D virt mapping, we shall
 be at the 0xc0459b43. It appears that this is the following fragment
 of i386/i386/locore.s:
 
 	movl	%cr0,%eax		/* get control word */
 	orl	$CR0_PE|CR0_PG,%eax	/* enable paging */
 	movl	%eax,%cr0		/* and let's page NOW! */
 
 ;;;; IT IS THERE
 	pushl	$begin			/* jump to high virtualized address */
 	ret
 
 It faults immediately after enabling the paging. Instead of the pushl $begi=
 n,
 it points to the wrong opcode
 	lock call something
 
 Might be, the initial page tables are corrupted somehow ?
 As a wild guess, might be A20 line is not turned on properly ?
 
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