*** This bug is a duplicate of bug 541492 ***
https://bugs.launchpad.net/bugs/541492
** This bug has been marked a duplicate of bug 541492
MASTER: [i845] GPU lockup
* You can subscribe to bug 541492 by following this link:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete => Triaged
--
[i845g] Login screen doesn't appear
https://bugs.launchpad.net/bugs/552481
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in ubuntu.
Using “blacklist=vga16fb” made no difference.
The reason ACPI fails on this machine is that the 'extended checksum'
field (and the 'length' field for that matter) in the RSDP table is
wrong, so it is not being recognised as a valid table. (Incidentally,
ACPI works correctly under Windows XP, so I
Ok. There seems to be the same underlying problem as bug #446641 - ACPI
fails, causing a cascade of failures which prevents drm from loading.
Here, though, there's also the black screen problem. Could you please
try booting with “blacklist=vga16fb” added to your kernel command line,
after “quiet
Bryce: Turning off KMS made no difference. I haven't experienced the
symptoms in bug #541492, but that might be my next issue once this one
is resolved.
Chris: Output from modprobe:
$ sudo modprobe -vvv i915
insmod /lib/modules/2.6.32-19-generic/kernel/drivers/acpi/video.ko
WARNING: Error insert
While it's worth checking if turning off KMS will fix this, I suspect it
won't. The problem here appears to be that drm doesn't even *attempt*
to load.
The output of running “sudo modprobe -vvv i915” in a terminal would be
instructive.
--
[i845g] Login screen doesn't appear
https://bugs.launchp
Please test if turning off KMS makes the issue go away. See
https://wiki.ubuntu.com/X/KernelModeSetting for directions.
If that works around the issue, then maybe we'll consider this as
evidence we should blacklist KMS for i845 (see also bug #541492)
** Changed in: xserver-xorg-video-intel (Ubun
** Summary changed:
- Login screen doesn't appear
+ [i845g] Login screen doesn't appear
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided => High
--
[i845g] Login screen doesn't appear
https://bugs.launchpad.net/bugs/552481
You received this bug notification because you
8 matches
Mail list logo
