I believe I'm dealing with this bug on my G4 iBook with radeon driver,
I've got about 640 MB RAM??? Now trying to get 14.04 Lu running after
having similar screen freeze issues with 14.10 . . . in 14.10 using
agp.mode got me into a GUI, but then the screen would freeze . . .
although mouse is
Lubuntu 14.04
The following all results in a black screen:
video=ofonly
video=radeonfb:off
video=radeonfb:off radeon.modeset=1
video=radeonfb:off radeon.modeset=1 radeon.agpmode=-1
I can usually reboot by blindly pressing ctrl+alt+f1 ctrl+alt+del
ctrl+alt+del sot it is not frozen, but no console
Ups, for got to mention this was on a eMac with a Radeon 9200
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Title:
No devices detected radeon regression
** Tags added: ppc
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Title:
No devices detected radeon regression
Status in “xserver-xorg-video-ati” package in
This bug has been reported on the Ubuntu ISO testing tracker.
A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1058641
** Tags added: iso-testing
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@John thanks that's another confirmation of this bug. Unity/compiz
won't work with the fbdev xorg driver (...or more correctly it is
supposed to work with llvmpipe, but there are still issues). If you
want to try KMS which may work with unity then you can define an
xorg.conf like I did
@ojordan This looks like the same problem I see with 12.10 on an iMac
G5/2.0 20-Inch (ALS) (Identifiers: Ambient Light Sensor - M9845LL/A -
PowerMac8,2 - A1076 - 2056) with a Radeon 9600.
I am not sure if it's relevant, but using
video=radeonfb:1680x1050-32@60 does apparently increase the color
Bug 1066435 is what I referred to in post 24. Turns out it was a
problem with the snd-powermac module. 2blue, I think you just needed to
use ctrl-alt-f1 to get to a command login prompt.
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There seems to be a new problem - the kernel is currently screwed when
using KMS. It won't even boot. I think this is the problem you were
hitting 2blue. A serious regression just at the end of testing. I
don't think 12.10 should be released in this state.you can only
stretch workarounds
@Ron thanks that confirms my problem in that the radeon card is not
detected and the Xorg server is not starting. It seems for you,
additionally, the radeondrmfb is not working correctly (hence the blank
screen).
@2blue thanks for trying to help out, but those logs have nothing to do
with this
@ojordan
With video=ofonly booting haults with the text in the black screen.
With video=ofonly radeon.agpmode=-1 I get : -1,/vmlinux: Unable to
open file, Invalid device
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@2blue I don't understand. Either you have mis-typed or there is
something weird happening with your foreign keyboard.
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I get the same what ever do, I burned today's daily, and not change. I
am sure there are no errors with typing.
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I have the last iBook G4 with ATI Mobility Radeon 9550 card, and it
seems to work all fine when adding video=radeonfb:1024x768-32@60 in the
boot stage. I have installed and computer has booted fine the last two
days. When using video=offonly nothing works; coarse pixeled screen
image and non
@2blue, the boot parameter is 'video=ofonly', not offonly. The radeon
xorg driver will only work in 12.10 on PowerPC if you disable the
radeonfb framebuffer.
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sorry, I have used the correct spelling, video=ofonly , and I`m not sure
I understand how the frambuffer enters into it. the framebuffer enters
into it? How do I go about the trouble further than video=ofonly ? If
I understand it correctly, graphic card is not used at all with the
Please post your Xorg.0.log (in the /var/log directory) when using the
video=ofonly parameter.
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Title:
No devices
my eMac video card is
ATI Radeon 9200
Chipset: ATY RV280
Bus: AGP
32 MB RAM
attached is my Xorg.0.log when using the command video=ofonly. That
results in a blank screen and what seems to be a frozen system in that I
can't even do cntl-alt-F! from there to get to a command line.
On the other
video=radeonfb:off
produces the same result as above, and I am unable to proceed.
Ron Mitchell
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Title:
No
Radeon 9550
With today`s daily I cannot boot with live video=ofonly, it haults at
* starting NTP server ntpd
* starting crash report submission deaemon
* starting system V runtime compatibility
* starting
* starting
* stopping
Booting with no parameters added in bootstage I still get the
arild, please go to vt (ctrl-alt-f1 or rather since you're on a ppc fn-
ctrl-alt/option-f1) and use the terminal to get your /var/log/Xorg.0.log
and post it here.
easiest way:
1. plug in ethernet
2. sudo ifconfig eth0 up
3. sudo dhclient eth0 (assuming you get your ips from dhcp)
4. sudo apt-get
http://paste.ubuntu.com/1259130/
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Title:
No devices detected radeon regression
Status in
Sorry, the above is xorg.0.log on my installed system, this is the live
CD without anything added in boot stage.
http://paste.ubuntu.com/1259211/
Not sure how log a pastbin page will be up?
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I don't have the exact same symptoms. It'll start X, but it looks all 16
bit. There is another solution: boot parameters
video=radeonfb:xresxyres[-bpp][@refresh] where xres is
xresolution, yres is yresolution (use whatever's native to your machine;
you can look it up online), bpp is optional, and
This works for my machine : video=radeonfb:1280x854-32@60
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Title:
No devices detected radeon regression
Status
@wxl and lars. You are not understanding this bug report.
video=radeonfb:1024x768-32 etc is using the fbdev driver. It is not
using the radeon xorg driver.
If you are on PowerPC and you want to test for this bug then you need to
turn off radeonfb using the video=ofonly (or video=radeonfb:off).
Note, in all the logs I've disabled the radeonfb framebuffer (still
built in on PowerPC) to allow KMS. You do this either via the
video=ofonly or video=radeonfb:off boot parameters on PowerPC.
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Another thing that is possibly worth a mention is if I don't have the
line:
BusID PCI:0:16:0
then the computer seems to freeze. (Obviously the value you write is
computer dependant)
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** Attachment added: With xorg.conf
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1058641/+attachment/3355291/+files/Xorg.0.log-with-xorg-conf
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** Attachment added: No xorg.conf
https://bugs.launchpad.net/bugs/1058641/+attachment/3355290/+files/Xorg.0.log-no-xorg-conf
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: New = Confirmed
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Just for completeness I'll add the Xorg.0.log using the previous version
of the ati/radeon driver. It boots fine without any xorg.conf.
** Attachment added: Xorg.0.log-6.99.99~git20120713.6ef1ad6a-0ubuntu1
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