[Fedora-xen] X server problem when booting domain0 with kernel-xen0-2.6.17-1.2145_FC5

[sunzen w.]

Hi,
I'am a new Xen user.
When i tried booting domain0 with kernel-xen0-2.6.17-1.2145_FC5, serveral
kinds of exceptions happened.
1. X can't be started.
2. X can be started, but
    i). rather slow when starting X
    ii)Can't input when X logining
    iii)after X logining, X ''always' restarts

The X log is as the following:
---------------------------------------------------------------
X Window System Version 7.0.0
Release Date: 21 December 2005
X Protocol Version 11, Revision 0, Release 7.0
Build Operating System:Linux 2.6.9-34.ELsmp i686Red Hat, Inc.
Current Operating System: Linux localhost.localdomain
2.6.17-1.2145_FC5xen0#1 SMP Sat Jul 1 13:38:11 EDT 2006 i686
Build Date: 30 June 2006
    Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
    (++) from command line, (!!) notice, (II) informational,
    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(++) Log file: "/dev/null", Time: Sat Jul  8 15:03:54 2006
(++) Using config file: "/tmp/tmpZy0nMyxorg.config"

   *** If unresolved symbols were reported above, they might not
   *** be the reason for the server aborting.

Backtrace:
0: /usr/bin/Xorg(xf86SigHandler+0x87) [0x80b8727]
1: [0x993420]
2: /usr/lib/xorg/modules/libfb.so(fbOddStipple+0x152) [0x217002]
3: /usr/lib/xorg/modules/libfb.so(fbPolyFillRect+0x1be) [0x20cd9e]
4: /usr/bin/Xorg [0x8151f21]
5: /usr/bin/Xorg(CreateDefaultStipple+0x106) [0x8097fc6]
6: /usr/bin/Xorg(main+0x319) [0x8070069]
7: /lib/i686/nosegneg/libc.so.6(__libc_start_main+0xdc) [0x25e724]
8: /usr/bin/Xorg(FontFileCompleteXLFD+0xb1) [0x806f511]

Fatal server error:
Caught signal 8.  Server aborting

x53d724]
9: /usr/bin/Xorg(FontFileCompleteXLFD+0xb1) [0x806f511]

Fatal server error:
Caught signal 8.  Server aborting
-------------------------------------------------------------------

Signal 8 is floatpoint exception. How can it happen?

Note: The domain0 can be successfully booted when i use runlevel 0.

Any suggestion/advice is welcome. Thanks!

-- 
sunzen
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