Public bug reported:
For hardware details please see attached dmesg and X.org.log. Main
feature suspected to cause issue is nouveau driver in conjunction with
NVIDIA Quadro NVS450 graphics card.
The issue occurs with the Kubuntu 14.04 LTS (release) installer and the
Kubuntu 14.10 (beta 2) installer on my PC.
Plug in USB stick or use DVD with installer ISO image. Reset. Kernel
boots. The Keyboard=Man in Circle icon appears at the bottom. After some
time the kubuntu logo appears and glows. Under 14.04 it then simply
hangs forever, under 14.10 the screen messes up (black and white bricks)
and then it hangs forever.
Switching to a text console in the interim shows that some part of the
bootstrapping process succeeds, approximately up to the activation of
the sound driver. The degree of completion of the initialization varies
over different trials to boot into Kubuntu.
On some occurences, messages appear about problems with the nouveau
driver.
I therefore activated the on-board graphics chip and made it the primary
graphics device. This altered setup boots nicely into the configuration
screen. I did not go further and did not install the system.
By the way, I have kubuntu 14.04 LTS running on that PC. It was
flawlessly installed when I had a different mainboard. Due to a hardware
defect, I had to change the mainboard. With identical setup now apart
from the mainboard, the re-installation process fails.
** Affects: ubuntu
Importance: Undecided
Status: New
** Attachment added: "attachments.zip"
https://bugs.launchpad.net/bugs/1377265/+attachment/4223807/+files/attachments.zip
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https://bugs.launchpad.net/bugs/1377265
Title:
Kubuntu Installer hangs with messed up screen (NVIDIA NV450 graphics
card)
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