I have a Dell Dimension E310 with an Intel Corporation 82915G/GV/910GL 
Integrated Graphics Controller (rev 04) and a PCI ATI Technologies Inc Radeon 
RV100 QY [Radeon 7000/VE] (prog-if 00 [VGA]) I can use the Intel 915 (it only 
has one output) or I can use the Radeon 7000 in Single and Dual screen 
configurations.  But when I try to use both (like I always do in Windows XP) 
X11 crashes.  Here is the error:  
...

(WW) intel(1): ESR is 0x00000010, page table error
(WW) intel(1): PGTBL_ER is 0x00100003, host gtt pte, host pte data, CS 
instruction GTT PTE
(WW) intel(1): PGTBL_CTL (0x00000000) indicates GTT is disabled
(WW) intel(1): PRB0_CTL (0x0001f001) indicates ring buffer enabled
(WW) intel(1): PRB0_HEAD (0x00000000) and PRB0_TAIL (0x00000008) indicate ring 
buffer not flushed
(WW) intel(1): Existing errors found in hardware state.
Error in I830WaitLpRing(), now is 339769, start is 337768
pgetbl_ctl: 0x0 pgetbl_err: 0x100003
ipeir: 0 iphdr: 0
LP ring tail: 8 head: 0 len: 1f001 start 0
eir: 0 esr: 10 emr: ffff
instdone: ffc1 instpm: 0
memmode: 10f instps: 800f08c0
hwstam: ffff ier: 0 imr: ffff iir: 0
space: 131056 wanted 131064

Fatal server error:
lockup
...

Anyone know if it is possible for me to use all three screens at once in
Kubuntu Feisty?  If I am posting to the wrong forum, can someone tell me
where I should post?  Attached you'll find the xorg.conf file.  I'll
attach the complete log file in other post since I don't think this
allows me to attach two files.

** Attachment added: "This xorg.conf does not crash X11 unless you uncomment 
#screen 2 "Left Screen" leftof "Middle Screen""
   http://launchpadlibrarian.net/8694961/xorg.conf.dual.screen.200707

-- 
[regression][rv280] black screen and console freeze when X starts - drm lockup
https://bugs.launchpad.net/bugs/67487
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