[Bug 273306] Re: [Hardy, Intrepid, 915G] Low resolution mode set from non-existent VGA connection

[Geir Ove Myhr]

> The behaviour in Jaunty alpha-2 is the same as for Intrepid, except
> the for the 7-8 times I logged out and in again the "Good" case never
> happened, so it may be more consistent now.

I said this too early. It still goes well every now and then. Next
time I started the X-server the good case was back and it's still
random.

Moreover, in the good case, the output of xrandr is actually dynamic
-- it usually shows "VGA disconnected", but every now and then is
shows "VGA connected". When running xrandr 50 times, it was
disconnected 38 times and connected 12 times. Every time it writes
some lines to Xorg.0.log, which differs slightly depending on whether
xrandr shows disconnected or connected. The four possible cases are
attached, 3195-disconnected-diff.txt or b567-disconnected-diff.txt
would come when xrandr shows disconnected, and one of the two others
when it shows connected. The only difference between the files is the
presence of two blocks of I2C messages. The appearance of the second
block happens when xrandr shows VGA connected. The first block may or
may not appear in both cases.

Could it be that the state of some register fluctuates and that the
resolution of the X-server depends on the state of this register when
the X-server is started?


** Attachment added: "Xorg.0.log-jauntyalpha2-Goodcase.txt"
   http://launchpadlibrarian.net/21295588/Xorg.0.log-jauntyalpha2-Goodcase.txt

** Attachment added: "3195-disconnected-diff.txt"
   http://launchpadlibrarian.net/21295589/3195-disconnected-diff.txt

** Attachment added: "b657-disconnected-diff.txt"
   http://launchpadlibrarian.net/21295590/b657-disconnected-diff.txt

** Attachment added: "4c61-connected-diff.txt"
   http://launchpadlibrarian.net/21295591/4c61-connected-diff.txt

** Attachment added: "72cf-connected-diff.txt"
   http://launchpadlibrarian.net/21295592/72cf-connected-diff.txt

** Attachment added: "xrandrdemo.txt"
   http://launchpadlibrarian.net/21295593/xrandrdemo.txt

-- 
[i915G] Low resolution mode set from non-existent VGA connection
https://bugs.launchpad.net/bugs/273306
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