RE: [Xen-devel] X86_64 Xorg Xfree86 issues

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

David, what version are you running. There's a patch in the tree that is
supposed to fix this:

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 0474ffc52ba79c5803a3cbe33380c555f71372dd
# Parent  dd1c092a7ee2f54f5f96ba7f090b0c6bbdfdb0fa
fix x86_64 domain0 /dev/mem issue
x86_64 miss the define of ARCH_HAS_DEV_MEM, that causes
/drivers/char/mem.c to not show low 1M memory correctly.

Signed-off-by: Xiaofeng Ling <xiaofeng.ling@xxxxxxxxx>

diff -r dd1c092a7ee2 -r 0474ffc52ba7
linux-2.6-xen-sparse/include/asm-xen/asm-x86_64/io.h
--- a/linux-2.6-xen-sparse/include/asm-xen/asm-x86_64/io.h      Thu Jul
28 21:32:13 2005
+++ b/linux-2.6-xen-sparse/include/asm-xen/asm-x86_64/io.h      Fri Jul
29 10:22:03 2005
@@ -369,4 +369,6 @@
 
 #endif /* __KERNEL__ */
 
-#endif
+#define ARCH_HAS_DEV_MEM
+
+#endif

 

> -----Original Message-----
> From: David_Wolinsky@xxxxxxxx [mailto:David_Wolinsky@xxxxxxxx] 
> Sent: 04 August 2005 14:30
> To: Ian Pratt; xen-devel@xxxxxxxxxxxxxxxxxxx
> Cc: ian.pratt@xxxxxxxxxxxx
> Subject: RE: [Xen-devel] X86_64 Xorg Xfree86 issues
> 
> "No SMBIOS nor DMI entry point found, sorry." 
> 
> David
> 
> -----Original Message-----
> From: Ian Pratt [mailto:m+Ian.Pratt@xxxxxxxxxxxx]
> Sent: Thursday, August 04, 2005 3:55 AM
> To: Wolinsky, David; xen-devel@xxxxxxxxxxxxxxxxxxx
> Cc: ian.pratt@xxxxxxxxxxxx
> Subject: RE: [Xen-devel] X86_64 Xorg Xfree86 issues
> 
>  > I am unable to load up Xfree86 or Xorg on a Xen64 machine.  I 
> > have an I915 (descendant of I810) and I get these messages 
> - No V_BIOS
> 
> > found, VBE initialization failed...  Any suggestions on how to get 
> > this fixed?  I have /dev/agpgart for I8xx enabled as well 
> as the DRM.
> 
> Please can you run 'dmidecode'.
> 
> Thanks,
> Ian
> 

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