Description of problem:
The xfs service can be started successfully.  But once the 
command "startx" is issued, the xfs service dead.  The machine has 
4.5 GB RAM and is using an on-board display card.

Version-Release number of selected component (if applicable):
XFree86-xfs-4.1.0-61.EL

How reproducible:
always

Steps to Reproduce:
1.start xfs service (either in boot time or manually)
2.issue "startx" command
  
Actual results:
xfs service dead.  X window failed to start.

Expected results:
X window starts successfully.

Additional info:

The followings are segments of some log files and output messages:

/var/log/message (also don't know how the "authentication failure" 
statements came)
=================
Nov 12 16:07:21 xxx xfs: listening on port 7100 
Nov 12 16:07:21 xxx xfs: xfs startup succeeded
Nov 12 16:07:50 xxx login(pam_unix)[1539]: authentication failure; 
logname=LOG
IN uid=0 euid=0 tty=tty1 ruser= rhost=  user=root
Nov 12 16:07:52 xxx login[1539]: FAILED LOGIN 1 FROM (null) FOR root, 
Authenti
cation failure
Nov 12 16:07:55 xxx login(pam_unix)[1539]: session opened for user 
root by LOG
IN(uid=0)
Nov 12 16:07:55 xxx  -- root[1539]: ROOT LOGIN ON tty1
Nov 12 16:07:57 xxx kernel: mtrr: no more MTRRs available
Nov 12 16:07:57 xxx kernel: mtrr: no more MTRRs available

/etc/init.d/xfs status output
=====================================
# /etc/init.d/xfs status
xfs dead but pid file exists

/proc/mtrr content
=============================
# cat /proc/mtrr 
reg00: base=0xe0000000 (3584MB), size= 256MB: write-back, count=1
reg01: base=0xc0000000 (3072MB), size= 512MB: write-back, count=1
reg02: base=0x80000000 (2048MB), size=1024MB: write-back, count=1
reg03: base=0x00000000 (   0MB), size=2048MB: write-back, count=1
reg04: base=0x100000000 (4096MB), size= 512MB: write-back, count=1
reg05: base=0x4000a0000 (16384MB), size=  64KB: uncachable, count=1
reg06: base=0x4000c0000 (16384MB), size=  64KB: uncachable, count=1
reg07: base=0x4000e0000 (16384MB), size=  64KB: uncachable, count=1

lspci output
==============================
# lspci
00:00.0 Host bridge: ServerWorks CMIC-LE Host Bridge (GC-LE chipset) 
(rev 33)
00:00.1 Host bridge: ServerWorks CMIC-LE Host Bridge (GC-LE chipset)
00:00.2 Host bridge: ServerWorks CMIC-LE Host Bridge (GC-LE chipset)
00:03.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 
27)
00:04.0 System peripheral: Compaq Computer Corporation Integrated 
Lights Out Controller (rev 01)
00:04.2 System peripheral: Compaq Computer Corporation Integrated 
Lights Out  Processor (rev 01)
00:0f.0 ISA bridge: ServerWorks CSB5 South Bridge (rev 93)
00:0f.1 IDE interface: ServerWorks CSB5 IDE Controller (rev 93)
00:0f.2 USB Controller: ServerWorks OSB4/CSB5 OHCI USB Controller 
(rev 05)
00:0f.3 Host bridge: ServerWorks CSB5 LPC bridge
00:10.0 Host bridge: ServerWorks CIOB-X2 PCI-X I/O Bridge (rev 05)
00:10.2 Host bridge: ServerWorks CIOB-X2 PCI-X I/O Bridge (rev 05)
00:11.0 Host bridge: ServerWorks CIOB-X2 PCI-X I/O Bridge (rev 05)
00:11.2 Host bridge: ServerWorks CIOB-X2 PCI-X I/O Bridge (rev 05)
01:03.0 SCSI storage controller: Adaptec AHA-3960D / AIC-7899A U160/m 
(rev 01)
01:03.1 SCSI storage controller: Adaptec AHA-3960D / AIC-7899A U160/m 
(rev 01)
01:04.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5703X 
Gigabit Ethernet (rev 02)
02:01.0 PCI bridge: IBM PCI-X to PCI-X Bridge (rev 02)
03:04.0 RAID bus controller: Compaq Computer Corporation Smart Array 
64xx (rev 01)
06:01.0 RAID bus controller: Compaq Computer Corporation Smart Array 
5i/532 (rev 01)
0a:01.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5701 
Gigabit Ethernet (rev 15)
0a:02.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5701 
Gigabit Ethernet (rev 15)