On Tue, 4 Jan 2005, Stijn De Weirdt wrote:
> hi all,
>
> first this is actually in reply to some other mails.
> i provide the output of lspci -xxx, but also a part from X.0.log: it
> shows the 0xffffffff that Ronald G. Minnich told about. if you want
> more info, let me know.
> (xen-2.0-testing tarball from 03/01/2005, 2.4.28, on slc3)
>
> X.0.log (final part):
>
> (**) I810(0): Depth 24, (--) framebuffer bpp 32
> (==) I810(0): RGB weight 888
> (==) I810(0): Default visual is TrueColor
> (II) Loading sub module "int10"
> (II) LoadModule: "int10"
> (II) Reloading /usr/X11R6/lib/modules/linux/libint10.a
> (II) I810(0): initializing int10
> (WW) I810(0): Bad V_BIOS checksum
this is bad. It's a warning but it should not be happening. It means the
vga bios checksum was wrong. Do you get this if you boot without xen, i.e.
standard linux?
> (II) I810(0): Primary V_BIOS segment is: 0xc000
> (WW) System lacks support for changing MTRRs
> (EE) I810(0): unknown type(0xffffffff)=0xff
I forget where this EE comes from, but:
> (II) I810(0): EAX=0x00004f00, EBX=0x00000000, ECX=0x00000000, EDX=0x00000000
> (II) I810(0): ESP=0x00000ffa, EBP=0x00000000, ESI=0x00000000, EDI=0x00002000
> (II) I810(0): CS=0xc000, SS=0x0100, DS=0x0040, ES=0x0000, FS=0x0000, GS=0x0000
> (II) I810(0): EIP=0x00000014, EFLAGS=0x00003200
> (II) I810(0): code at 0x000c0014:
> e9 0d 14 27 40 00 b0 0a 30 30 49 42 4d 20 56 47
> 41 20 43 6f 6d 70 61 74 69 62 6c 65 20 42 49 4f
> (II) stack at 0x00001ffa:
> 00 06 00 00 00 32
> (II) I810(0): VESA BIOS not detected
As I read this, the module loader tried to run the vga bios and failed, as
it could not get to the actual BIOS code? That's how it looks to me
anyway.
I have no idea: has anyone seen option rom access working under Xen? I
have not, but I have not tried this recently. The VGA bios ROM is not
accessible on my laptop, however.
Does Xen currently allow a guest to set enable the option rom access and
set the register (0x30 I think) for the option ram base address?
> (EE) I810(0): VBE initialization failed.
So you get this error, and ...
> (II) UnloadModule: "i810"
> (II) UnloadModule: "int10"
> (II) UnloadModule: "vgahw"
> (II) Unloading /usr/X11R6/lib/modules/libvgahw.a
> (II) UnloadModule: "vbe"
> (II) Unloading /usr/X11R6/lib/modules/libvbe.a
> (II) UnloadModule: "int10"
> (II) Unloading /usr/X11R6/lib/modules/linux/libint10.a
> (EE) Screen(s) found, but none have a usable configuration.
it unloads the modules since it can't run the vga bios.
ron
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