Ubuntu 10.04 Lucid Lynx

[Jerry Feldman]

The positive thing about this is that the bug has been accepted and is
actively being worked on.  One benefit of Linux (and other open source
systems) is that patches can generally be made available quicker than in
closed-source systems.

On 05/02/2010 09:12 AM, Nathan Meyers wrote:
> Jerry Feldman wrote:
>> There are complaints that Linux is becoming more Windows-like :-)
>> What happens when you do ctrl-alt-f2. Do you get a prompt? If so, then=

>> log in and force the X server to reload. Ctrl-alt-backspace is now
>> turned off by default.=20
>>  =20
> No such luck. The GPU is locked up and the only way out is the power
> button as far as I can tell.
>
> The info from Laura's response
> (https://bugs.launchpad.net/ubuntu/lucid/+source/xserver-xorg-video-int=
el/+bug/554835)
> is pointing in a productive direction. It's a kernel bug that can be
> worked around by setting a boot-time flag. It affect the Intel 855
> graphics chipset (which hardly anyone uses :-). As best I understand it=
:
>
> - The Kernel mode-setting for that driver has stability problems, so
> they disabled it by default in the kernel released with Lucid.
> - Starting up a system with kernel mode-setting disabled (at least if
> it needs to prompt for encrypted filesystem passphrases, or maybe
> always) leads to GPU lockup when the X server starts
>
> which leads to a conundrum - enabling kernel mode-setting is bad, and
> disabling kernel mode-setting is bad. But I daresay that disabling it
> is badder, and the workaround for now is to burn a change into
> initramfs that enables kernel-mode setting.
>
> Nathan
>
>> On 05/01/2010 06:15 PM, Nathan Meyers wrote:
>>  =20
>>> Bad news on my Averatec laptop - the X server is out of order. It
>>> appears to be coming up - the text display is gone - but I'm getting =
a
>>> black screen with no cursor and no desktop. I'm poking around to see
>>> what it will take to set it right; haven't found anything about this
>>> so far online.
>>>
>>> Nathan
>>>
>>>
>>> Jerry Feldman wrote:
>>>    =20
>>>> I was able to upgrade to Lucid Lynx on Thursday night on my laptop w=
ith
>>>> virtually no apparent issues. I was surprised that VirtualBox was ab=
le
>>>> to run after the upgrade. Additionally, the wireless connected
>>>> flawlessly although I have a Broadcom chip The fw-cutter dialog box
>>>> asked if I wanted the firmware. I was a bit surprised that the wirel=
ess
>>>> came up automatically since after my reinstall of Karmic, I've had t=
o
>>>> manually massage it. I have not really performed any other tests yet=
,
>>>> but it did come up with no problems.
>>>>
>>>>
>>>>        =20
>


--=20
Jerry Feldman <gaf-mNDKBlG2WHs at public.gmane.org>
Boston Linux and Unix
PGP key id: 537C5846
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