Apologies for the delay in response. The card had been in a work PC and
was swapped out for something more stable till I had time to revisit
this.
The issue is no longer present with an up to date Intrepid install (only
issue is occasional artefacts around the cursor), so I'll resolve this.
**
** Changed in: xserver-xorg-driver-ati
Status: New = Invalid
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Hi Marty,
Given that it sounds like it's DRI related, maybe a next step would be
to experiment with different settings of AGPMode? This is a pretty
common issue with the -ati driver.
In your /etc/X11/xorg.conf set AGPMode to various values like this:
Section Device
...
Option AGPMode 2
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: Incomplete = Triaged
** Also affects: xserver-xorg-driver-ati
Importance: Undecided
Status: New
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Hi Bryce
xf86EnableIOPorts: failed to set IOPL only occurs if I try 'startx' as
a non-root user, so it's probably a permissions issue.
I've burnt a LiveCD and am testing it now. The first boot seemed to
freeze at the desktop, panels still blank. The mouse cursor could be
moved around the screen
Ok, got it.
LiveCD Intrepid Alpha-4
Stracing Xorg
rt_sigreturn(0xe) = -1 EINTR (Interrupted system call)
ioctl(10, 0x40046457, 0x27d636c)= -1 EINTR (Interrupted system call)
--- SIGALRM (Alarm clock) @ 0 (0) ---
rt_sigreturn(0xe) = -1 EINTR
Working my way through
http://dri.freedesktop.org/wiki/DriTroubleshooting
'dmesg | grep drm' output has an error (attached) that I can't fathom,
however Xorg.0.log claims Direct rendering enabled so it can't be too
fatal.
The next two attachments are the standard output and standard error when
** Attachment added: glxinfo.txt
http://launchpadlibrarian.net/17193948/glxinfo.txt
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** Attachment added: glxinfo-stderr.txt
http://launchpadlibrarian.net/17193963/glxinfo-stderr.txt
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** Changed in: xserver-xorg-video-ati (Ubuntu)
Sourcepackagename: xorg = xserver-xorg-video-ati
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** Tags added: valid-xorg-conf
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** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: Incomplete = New
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Regarding the error message xf86EnableIOPorts: failed to set IOPL,
that is probably a very strong clue. This error message occurs in
./hw/xfree86/os-support/linux/lnx_video.c in function xf86EnableIO(),
line 566 due to a failure in this call:
if (ioperm(0, 1024, 1) || iopl(3)) { ...
Hi, did you capture any earlier data with strace. What you've included
isn't a lot of help on it's own because it is not possible to determine
what device the file descriptor '9' corresponds to.
Thanks
** Changed in: xorg (Ubuntu)
Status: New = Incomplete
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I'm having trouble capturing an strace from early enough in the Xorg
processes life to see what file descriptor '9' is.
Trying to strace the parent gdm process with -ffF causes X to crash
immediately.
Trying with 'startx' from the console throws the error
xf86EnableIOPorts: failed to set IOPL
Right, so attacking this a different way.
$ sudo ls -l /proc/7102/fd/9
lrwx-- 1 root root 64 2008-08-28 11:41 /proc/7102/fd/9 - /dev/dri/card0
I'll test disabling DRI.
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** Attachment added: lspci output showing card details
http://launchpadlibrarian.net/17073614/lspci.txt
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** Attachment added: Xorg.0.log
http://launchpadlibrarian.net/17073617/Xorg.0.log
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** Attachment added: xorg.conf
http://launchpadlibrarian.net/17073624/xorg.conf
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I originally thought this was related to Firefox3 but I can reproduce
without running Firefox.
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Strace output consists of only what's attached.
** Attachment added: strace.txt
http://launchpadlibrarian.net/17073849/strace.txt
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