regression: blank screen on hp nw8240 (ATI X700) after xorg 7.2 update

[Luka Renko]

SW: Kubuntu Feisty (up-to-date)
HW: HP nw8240 with ATI FireGL V5000 PCIE (x700), 15.4" LCD (1920x1200, 145 DPI)

I update fesity daily, and after the update yesterday afternoon, my X does not start any more. After the boot, when I should get kdm login dialog, I just get blank screen.

When inspecting log file, it looks like that display is not detected any more. After adding sync ranges to the Monitor section, I got X back, but screen size was not detected properly, causing DPI to be set to 75 (instead of 145), making fonts really small. I have fixed this with adding DisplaySize in monitor section. These are all the changes I had to do:

--- xorg.conf 2007-03-08 08:11:44.000000000 +0100
+++ /etc/X11/xorg.conf 2007-03-08 08:19:31.000000000 +0100
@@ -108,6 +108,9 @@
 Section "Monitor"
        Identifier "Generic Monitor"
        Option "DPMS"
+ HorizSync 28-96
+ VertRefresh 43-60
+ DisplaySize 330 210
 EndSection

I have looked what have changed recently and it seems to me that recent update of ati driver for bug 22985 might have caused that.
Note: I was one of the reporters of that bug, but it was fixed for me just before Edgy release: https://launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/22985/comments/72

[Tormod Volden (tormodvolden)]

Confirmed by duplicate bug reports and the provided log files.

[Tormod Volden (tormodvolden)]

If you guys feel adventurous, try the newest Xorg packages from https://wiki.ubuntu.com/XorgOnTheEdge to see if they help.

[Tormod Volden (tormodvolden)]

In order to help the development, can you please post your BIOS dump to the web site referred to in http://tirdc.livejournal.com/ ? There is one post about how getting the dump and another linking to the web site.
I have sent them my X700 dump, but it seems you have a slightly different version.

[Luka Renko (lure)]

Still the same problem with Kubuntu Daily 20070606.1 (Tribe1 candidate).

Will try your new packages and try to get dumps as requested.

[Tormod Volden (tormodvolden)]

Luka, I have just updated my test packages to ati 6.6.192.

[Luka Renko (lure)]

It works without any hacks in xorg.conf! Great!
I am looking forward for this to enter gutsy.
Attached is log file if you may need it.

[Tormod Volden (tormodvolden)]

It would be nice if you could try the latest test versions to see if they would give any regressions:
- the ati 6.7.191-1ubuntu2 driver from http://users.tkk.fi/~tjaalton/dpkg/ati/
- and the xserver-xorg-core from http://users.tkk.fi/~tjaalton/dpkg/xserver/

[Luka Renko (lure)]

This bug is fixed with Kubuntu Tribe5. I get proper resolution on Live CD as well after installation.
Thanks for solving this!

[Tormod Volden (tormodvolden)]

Please check with post-tribe5 updates that we don't get regressions. Please test 6.7.192 from http://people.ubuntu.com/~bryce/Testing/ati/ and a new xserver-xorg-core_1.3.0.0.dfsg-12ubuntu3 will soon be available from https://wiki.ubuntu.com/XorgOnTheEdge

[Luka Renko (lure)]

This particular issue is not a problem with XorgOnTheEdge drivers, however I have another smaller issue with display size detection - this issue is reported in upstream bugzilla:
https://bugs.freedesktop.org/show_bug.cgi?id=12117