i get for startx :

Using authority file /root/.Xauthority
Writing authority file /root/.Xauthority
Using authority file /root/.Xauthority
Writing authority file /root/.Xauthority

X: warning; process set to priority -11 instead of requested priority -10

Fatal IO error 104...........on X server ":0.0"
Exactly the same for me

Host bridge: Intel Corp. 82865G/PE/P DRAM Controller/Host-Hub Interface (rev 02)
VGA compatible controller: Intel Corp. 82865G Integrated Graphics Device (rev 02)
USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #1 (rev 02)
USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #2 (rev 02)
USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #3 (rev 02)
USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #4 (rev 02)
USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB2 EHCI Controller (rev 02)
PCI bridge: Intel Corp. 82801 PCI Bridge (rev c2)
ISA bridge: Intel Corp. 82801EB/ER (ICH5/ICH5R) LPC Bridge (rev 02)
IDE interface: Intel Corp. 82801EB/ER (ICH5/ICH5R) Ultra ATA 100 Storage Controller (rev 02)
SMBus: Intel Corp. 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 02)
Multimedia audio controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02)
Ethernet controller: Intel Corp. 82562EZ 10/100 Ethernet Controller (rev 02)
Any ideas ?