I was able to do a do-release-upgrade on this netbook and reproduce the problem with another screen (once again the top resolution is not available in xrandr but detected correctly by Xorg)
$ dpkg -l xserver-xorg
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name Version Description
+++-==============-==============-============================================
ii xserver-xorg 1:7.4+3ubuntu5 the X.Org X server
$ dpkg -l xserver-xorg-video-intel
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name Version Description
+++-==============-==============-============================================
ii xserver-xorg-v 2:2.8.0+git200 X.Org X server -- Intel i8xx, i9xx display d
I spoke too fast.
I was able to do a do-release-upgrade on this netbook and reproduce the problem with another screen (once again the top resolution is not available in xrandr but detected correctly by Xorg)
$ dpkg -l xserver-xorg Unknown/ Install/ Remove/ Purge/Hold Not/Inst/ Cfg-files/ Unpacked/ Failed- cfg/Half- inst/trig- aWait/Trig- pend /Hold/Reinst- required/ X=both- problems (Status,Err: uppercase=bad) ======= ====-== ======= =====-= ======= ======= ======= ======= ======= ======= =
Desired=
| Status=
|/ Err?=(none)
||/ Name Version Description
+++-===
ii xserver-xorg 1:7.4+3ubuntu5 the X.Org X server
$ dpkg -l xserver- xorg-video- intel Unknown/ Install/ Remove/ Purge/Hold Not/Inst/ Cfg-files/ Unpacked/ Failed- cfg/Half- inst/trig- aWait/Trig- pend /Hold/Reinst- required/ X=both- problems (Status,Err: uppercase=bad) ======= ====-== ======= =====-= ======= ======= ======= ======= ======= ======= =
Desired=
| Status=
|/ Err?=(none)
||/ Name Version Description
+++-===
ii xserver-xorg-v 2:2.8.0+git200 X.Org X server -- Intel i8xx, i9xx display d