[ubuntu-x] Ubuntu-x Digest, Vol 36, Issue 10
Taylor Brown
taylor at nearlyalaugh.com
Thu Aug 12 06:03:07 BST 2010
I didn't see the "Edit" link because I wasn't logged in, so I figured it
was a locked page or something. Since it isn't, I'll add the
instructions right now. Thanks~
On 08/11/2010 08:59 PM, Steven wrote:
> Taylor,
>
> No one's "in charge of" the wiki; that's why it's a wiki. If people find
> ways to improve it, they can do so. I think your uninstalling
> instructions are a great thing to add to the wiki. Just hit the "Edit"
> button on the top left and copy'n'paste :)
>
>
> Jerry (re: i915.modeset),
>
> The legacy driver is xserver-xorg-video-intel 2.12 with the addition of
> the UMS code from before Karmic (so no GEM memory management, which
> might be causing the problems). This UMS code is what needs testing,
> since the X team is thinking about canning KMS for i8xx cards.
>
> Now, in Lucid, KMS has been blacklisted for i8xx cards since the
> 2.6.32-21 kernel. So if the only change you've made is to add this
> aubergine PPA, then your system will boot into that UMS code. But if
> you've enabled any workarounds to re-enable KMS (UMS was sending a bunch
> of people into black screens in Lucid), or are running Maverick (which
> has *not* blacklisted KMS on i8xx cards), then you'll need to boot with
> i915.modeset=0 (or nomodeset) to get into that UMS code.
>
> So if setting i915.modeset=0 does anything funky, that's a good thing to
> let us all know about, because that's the change that's supposed to fix
> everything (at least with this legacy driver). Testing i915.modeset=1
> (the '1' means KMS, the '0' means UMS) doesn't help at all, because that
> just boots into KMS which everyone already knows is causing problems,
> especially with XVideo.
>
> I hope that helps clear things up. So the wiki instructions aren't
> "wrong", it's just that the legacy driver doesn't work for you. Those
> are two very different things.
>
> -Stenten
>
>
> On Wed, Aug 11, 2010 at 2:42 PM, Taylor Brown <taylor at nearlyalaugh.com
> <mailto:taylor at nearlyalaugh.com>> wrote:
>
> Thanks for the suggestion, Jerry.
>
> I wanted to further report that the driver doesn't work on my system
> whether I use i915.modeset=0, =1, or whether I omit the option entirely.
> At least my system only crashes after resuming from suspend...
>
> I don't know who's in charge of the wiki page, but for those users who
> find themselves with a broken X server it might be helpful to add a
> quick note about /uninstalling/ the legacy driver:
>
> 1. Login as root in recovery mode,
> 2. Find and remove the ppa entry in /etc/apt/sources.list.d/,
> # cd /etc/apt/sources.list.d/
> # rm raof[something]
> 3. Find the newly created-added apt key and delete it and update,
> # apt-key list
> # apt-key del [whatever]
> # aptitude update (or apt-get update)
> 5. Downgrade xserver-xorg-video-intel,
> # aptitude remove xserver-xorg-video-intel (or apt-get
> remove)
> (choosing the option to downgrade to the earlier version)
> 6. Remove the modesetting line from GRUB if it's been added,
> # nano /etc/default/grub
> # update-grub
> 7. Exit recovery mode, login as user, and start X,
> # exit
> (log in as user)
> $ sudo gdm
>
>
> Hope this feedback helps someone,
>
> Taylor
>
> Ubuntu 10.04.1 LTS
> Linux 2.6.32-24-generic
> Intel Corporation 82915G/GV/910GL Integrated Graphics Controller
> (rev 04)
>
> On 08/11/2010 06:21 AM, jerrylamos at aim.com
> <mailto:jerrylamos at aim.com> wrote:
> > Taylor,
> >
> > Many of us found the wiki instructions don't work. However the
> driver does.
> >
> > Putting i915.modeset=0 or =1 or nomodeset in the linux line as in the
> > wiki instructions does NOT work. Fails every time.
> >
> > What works for me is "quiet" for options in the linux line, and from
> > posted comments for others as well.
> >
> > I've got an i845G which has had tons of kernel and driver
> problems but
> > is now working. "Until the next update."
> >
> > Good luck, Jerry
> >
> > -----Original Message-----
> >
> >
> >
> >
> >
> > I tried the legacy driver per the wiki instructions
> >
> >
> > [https://wiki.ubuntu.com/X/Bugs/Lucidi8xxFreezes#Legacy%20Driver]
> >
> >
> > because I've been having trouble with X freezing after resuming from
> >
> >
> > suspend (bug #582057 in xserver-xorg-video-intel
> >
> >
> >
> [https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/582057]).
> >
> >
> >
> >
> >
> > After booting, the screen cycled repeatedly between trying to
> load GDM
> >
> >
> > and crashing, obviously rendering the driver unusable on my system.
> >
> >
> >
> >
> >
> > System:
> >
> >
> >
> >
> >
> > Ubuntu 10.04.1 LTS
> >
> >
> > Linux 2.6.32-24-generic
> >
> >
> >
> >
> >
> > Graphics:
> >
> >
> >
> >
> >
> > 00:02.0 VGA compatible controller: Intel Corporation 82915G/GV/910GL
> >
> >
> > Integrated Graphics Controller (rev 04)
> >
> >
> >
> >
> >
> >
> >
> >
> > Sincerely,
> >
> >
> >
> >
> >
> > Taylor Brown
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > ------------------------------
> >
> >
> >
> >
> >
> > --
> >
> >
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> >
> >
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> >
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> >
> >
> >
> >
> >
> >
> >
> > End of Ubuntu-x Digest, Vol 36, Issue 10
> >
> >
> > ****************************************
> >
> >
>
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