** Changed in: linux
Status: Confirmed => Unknown
** Bug watch added: gitlab.freedesktop.org/xorg/driver/xf86-video-ati/issues #44
https://gitlab.freedesktop.org/xorg/driver/xf86-video-ati/issues/44
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Currently experiencing this bug a year after the last comment (#81).
I have no problem going full screen when playing Flash/HTML5 streaming
videos, but when I run fullscreen, for example, PPSSPP (PSP emulator) on
Ubuntu 16.04 either SDL or Qt versions, screen freezes completly with
the exception
Just tested booting and installing my iBook G4 with Ubuntu MATE 15.10
daily. It booted from DVD using only 'live' and the install completed
successfully. Some PowerPC related bugs have been fixed this cycle:
* https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1471185
*
I experienced this bug as well. I did not run ubiquity, I ran firefox and it
froze after a few moments. The screen is frozen, and the mouse cursor is stuck
with the same cursor.
This was done using:
Lubuntu 14.04.2 (testing)
On a:
powerbook4_3 (iBook 2 rev. 2)
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Workarounds exist, so low.
** Changed in: linux (Ubuntu)
Importance: Medium = Low
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https://bugs.launchpad.net/bugs/1377878
Title:
PPC - GUI freezes except for mouse
@Adam
sadly, yes. But it now should be clear with the existing workarounds
that's not necessary for future releases.
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Title:
PPC -
Can you run the same system in live mode? If so, open a terminal and file a
bug against ubiquity explaining exactly what happened. Make sure you
include the version of the kernel.
On Wed, Feb 4, 2015 at 3:29 AM, Boris Reinhard
reinhard.bo...@googlemail.com wrote:
@Adam
sadly, yes. But it now
Launchpad has imported 32 comments from the remote bug at
https://bugs.freedesktop.org/show_bug.cgi?id=55745.
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** Bug watch added: freedesktop.org Bugzilla #55745
https://bugs.freedesktop.org/show_bug.cgi?id=55745
** Also affects: linux via
https://bugs.freedesktop.org/show_bug.cgi?id=55745
Importance: Unknown
Status: Unknown
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@hamish have you tried this: radeon.modeset=1 video=radeonfb:off
video=offb:off radeon.agpmode=-1
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Title:
PPC - GUI freezes except
I'm a total novice but I have encountered these issues and for what it's
worth these are the machine specs and solutions that I have used...
Hardware: Mac Mini PPC G4 (PowerPC 7447A @ 1250.00MHz) Radeon 9200
When running: Lubuntu 14.04.1
With: video=radeonfb: 1024x768-32@60
Result: running fine
This is caused by the radeonfb kernel module being now compiled as a
module, rather than being 'built-in' to the kernel. It's hard to see
where/when/why this change happened in Ubuntu, but it probably came from
an upstream kernel change https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=748398 .
As I understand it, changing the help message does nothing to eliminate
the hang that was reported in this bug, and that requires a change to
the kernel module behavior on ppc. Please file a separate bug report for
the help message text.
** Project changed: ubuntu-cdimage = linux
** Project
Why is doing anything on launchpad always a battle? This is not going
to be fixed in the linux kernel or the radeon xorg driver. Never ever
ever ever. It is just a waste of time to pretend it will. The only way
to fix this is to force pci mode. The only way to tell users to do this
is
Ok. I see the Ubuntu FAQ. I thought before that it may have been
abandoned or outdated.
Also, perhaps linux was the wrong package here for the bug. I was
aiming for a fix in the utility on the CD that boots the kernel.
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Walter and Boris, the video=ofonly radeon.agpmode=-1 work-around
allows installation to complete on my hardware. The installed system
even boots to the desktop. If forgot to test it on the 2014-11-08 image
but remembered for the 2014-11-09 image
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Thx for the feedback Lars, I think we can call it on the bug Walter,
so far nobody else has come forward with anything that suggests
otherwise.
Where would we propose to implement those params to be set as default
for the specific systems in future builds/ releases, would a post to the
ppc list
One thing to look into is how much the video=ofonly radeon.agpmode=-1
settings slow down the GUI. Some things, such as clicking on an icon,
are quite sluggish but I don't know how to find where the fault lies.
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I believe this is due to incomplete or not at all set up Xorg conf which
for some reason is not done for a long time on certain Radeon systems,
so those are without DRI and all the bells and whistles.
Did you try what I mentioned above?
sudo service lightdm stop
sudo Xorg -configure
sudo mv
known ppc radeon 9000-range AGP-freeze issue, needs radeon.agpmode=-1
yaboot param workaround, additionally combination with video=ofonly is
recommended
** Changed in: linux (Ubuntu)
Status: Confirmed = Invalid
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Boris, it's still a bug until the installer adds those boot options and
the installed system ends up with them in yaboot.conf
** Changed in: linux (Ubuntu)
Status: Invalid = Confirmed
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Thanks Lars,
still learning the ropes with this, from Walters response I gathered we
could call it, but I'm glad we can work the installer defaults in, makes
more sense that way and I expressed as much on the bug, was just not sure
if this should be left open all the way.
Am 11.11.2014 05:45
Thanks Lars,
still learning the ropes with this, from Walters response I gathered we
could call it, but I'm glad we can work the installer defaults in, makes
more sense that way and I expressed as much in my comments above, was
just not sure if this should be left open all the way, but yeah makes
Actually, Boris was right. Lars I recommend you read the PPC FAQ.
The graphics section makes it quite clear that there's no mechanism in place to
determine the appropriate graphics settings for your particular hardware:
https://wiki.ubuntu.com/PowerPCFAQ#Configure_graphics
Furthermore, if such
Hi Walter,
yep not default for every kind of ppc system, only for those specific G4
ibook's with the radeon 9200 variant, tho eMacs with those would also
seems like a save bet-!? Sry I haven't yet gotten around to the FAQ/
Known Issues addition but I plan on spending some time on it tomorrow :)
Is there anyone that video=ofonly radeon.agpmode=-1 doesn't work for?
If not, then we can call this invalid. Unfortunately, these parameters
are not appropriate to every kind of ppc machine, so it doesn't make
sense to make them the default. We just kind of have to know this stuff.
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do you guys have this problem in 14.04.1?
@wxl:
To answer that question, yes, the problem of the desktop freezing is
happening in my G4 iBook with 14.04.1 installed.
Opening web browser seems to freeze the desktop in and of itself. I can
open the Terminal and run commands; but, for instance,
System was installed using Boris/Adam's agpmode=-1that worked to
clean up the 14.10 GUI . . . and I've tried various flavors of
radeonfb boot parameters . . .
- don't! My understanding was using radeonfb conflicts with KMS which
we want to use nowadays, so try to leave it out and instead use
As per Boris' suggestion:
Boris:
Yes, that did work . . . but, I had to add live-nosplash-powerpc
video+ofonly radeon.agpmode=-1 . . . . When I just used the
video=ofonly radeon.agpmode=-1 I got unable to open file, Invalid
device.
With that AGP boot parameter the 14.10 livedvd it is working;
Sorry, live-nosplash-powerpc video=ofonly radeon.agpmode=-1
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Title:
PPC - GUI freezes except for mouse pointer
Status in “linux”
Hello all,
@Walter I did encounter this in 14.04.1 as well
it works if I force PCI mode via yaboot radeon.agpmode=-1 (which I
thought was the expected workaround for an unknown issue with AGP and
the user would be expected to use it)
While on my system with a 9200 based chip under OSX it's
so I quess the question might be what changed, did AGP work before, was
there no hardware acceleration, was PCI transfer maybe temporarily
forced?
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FWIW, when I've complained in the past about endian issues with the
radeon drivers on PPC, the upstream response has often been we know
it's broken on big-endian arches, patches welcome, or go buy an nvidia
card. So, this may prove to be a lost cause without someone with the
time and expertise to
Based on the syslog vomit, this is almost certainly a kernel bug (or
possibly an X bug). Reassigning in that direction for now.
** Package changed: ubiquity (Ubuntu) = linux (Ubuntu)
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@adam does this affect all ppc radeon cards? if so, that kills a lot of
computers we wanted to support! can you link me to archives of your
upstream inquiries?
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** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
** Tags added: kernel-da-key
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Title:
PPC - GUI freezes except for
@wxl:
I sent this to QA . . . but, right, this is the bug . . . that my
iBook found earlier in the month, and then again a few days ago. What I
didn't mention was what Lars also mentioned, when the mouse cursor
clenches to drag the window . . . it doesn't unclench. But, it is a
deal breaker in
do you guys have this problem in 14.04.1?
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Title:
PPC - GUI freezes except for mouse pointer
Status in “linux” package in Ubuntu:
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