** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Title:
System freezes shortly after reaching the desktop (Ubun
@john This problem was meanwhile worked around by setting
radeon.agp.mode=-1 as default in recent kernels (=> 5.0 ?). So you don't
need to fiddle around with your settings here. Unfortunately Ubuntu ppc
support is dead, only ppc64le option is maintained.
But there are other distros (Void, Adelie).
@john if you set those parameters in /etc/yaboot.conf and run ybin, you
can make this change permanent.
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Title:
System freezes short
OK so it's a fairly long time since anyone has said anything thing about this
problem. I found a resolution after reading about the symtoms online. I have a
G5 dual without the issues and a Emac G4 single without the issues. However my
G4 1.5 macmini would constantly freeze up. So the "fix" is t
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** Changed in: linux
Status: Confirmed => Unknown
** Bug watch added: gitlab.freedesktop.org/drm/amd/issues #711
https://gitlab.freedesktop.org/drm/amd/issues/711
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** Tags added: cscc
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Title:
System freezes shortly after reaching the desktop (Ubuntu MATE 16.04,
PowerPC)
Status in Linux:
Con
Created attachment 142691
dmesg
I think I have the same error with my Radeon HD 4670 on x64_64 arch with
linux, I attached my dmesg with the error in the end.
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It seems the patches to force Radeon cards into PCI-mode (or force it
via radeon.agpmode=-1) are no definitive solution. My G4 and G5 Macs
hold out longer running X but sooner or later a hard lock is
unavoidable. Tested this on a recent software stack: 4.8.1-kernel, xorg-
server-1.18.4, xf86-video-
linux-4.8.3-gentoo # dmesg | grep -i agp
[0.00] Found U3-AGP PCI host bridge. Firmware bus number: 240->255
[ 79.271669] Linux agpgart interface v0.103
[ 79.286888] agpgart-uninorth :f0:0b.0: Apple U3H chipset
[ 79.300467] agpgart-uninorth :f0:0b.0: configuring for size idx:
Patch has also been submitted to dri-devel:
https://lists.freedesktop.org/archives/dri-devel/2016-May/107479.html
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Title:
System fr
Played around a bit with xorg and kernel options on my G5 and worked out
that I can drive the Radeon 9650 at AGP x8 if I disable DRI completely
via Option "NoAccel" "true" in /etc/xorg.conf.
I had no GPU-lockups since then and xorg is much more responsive despite
lacking DRI hardware acceleration
nothing seems to help, I tried agpmode=-1, disabling glamor that didnt
help and Option "NoAccel" "true" wont let me login on the grafical user
interface at all.
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> FWIW, the value of the radeon.agpmode parameter shouldn't matter if you
> disable
> DRI (which BTW means no GPU hardware acceleration can be used at all).
Yep. And I was astonished to see the desktop running faster actually. ;)
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(In reply to erhard_f from comment #15)
> Played around a bit with xorg and kernel options on my G5 and worked out
> that I can drive the Radeon 9650 at AGP x8 if I disable DRI completely via
> Option "NoAccel" "true" in /etc/xorg.conf.
>
> I had no GPU-lockups since then
Sure, because you're not
*** Bug 95177 has been marked as a duplicate of this bug. ***
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Title:
System freezes shortly after reaching the desktop (Ubuntu MATE
Patch has been submitted to mesa-dev:
https://lists.freedesktop.org/archives/mesa-dev/2016-May/115453.html
and Reviewed-By Christian König
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nice, thanks for the info!
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Title:
System freezes shortly after reaching the desktop (Ubuntu MATE 16.04,
PowerPC)
Status in Linux
K1773R: 16-bit color depth is no longer necessary since mesa 12.x, which
got updated in Ubuntu MATE 16.04.2.
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Title:
System freezes
your likely facing issues with 3D acceleration now. which is unrelated
to this bug, anyway: till mesa gets an update, you have to specify a 16
bit color depth:
/etc/X11/xorg.conf
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device
Got it fixed, thanks. Now I'm having other issues but I don't think they
are related.
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Title:
System freezes shortly after reaching
I put quotes around both, that must be what broke it. Then I tried to
fix it using live CD to re-edit but I couldn't make it stick as the live
CD couldn't update the bin. Mint always warns me of syntax errors so if
this did as well I missed it.
I'll try it again. I might just switch back to Tiger
you'll have to add the parameter in the append section for the two
entries, ie:
append="radeon.agpmode=-1"
or if you want the splash thingy
append="radeon.agpmode=-1 splash quiet"
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I tried that and got a syntax error on reboot that I couldn't recover
from. I'll look at it again.
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Title:
System freezes shortly af
change /etc/yaboot.conf
run: sudo ybin -v
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Title:
System freezes shortly after reaching the desktop (Ubuntu MATE 16.04,
PowerPC)
How do I add the boot options and have them stick? I tried modifying the
yaboot but I ended up breaking my install.
I can get it installed with the live radeon.agpmode=-1
then I was able to boot it by typing at the first boot Linux radeon.agpmode=-1
that's where it breaks down, I don't know how t
This bloody bug happens not only on PowerPC. I have AMD Radeon 5670
graphic card. I have this bug on Ubuntu 16.10 x64 and i have it on
Ubuntu 17.04 x64 development version. Now any fresh Linux version is
almost unusable for me.
Already reported: https://bugs.freedesktop.org/show_bug.cgi?id=99195
Tested todays new Ubuntu MATE ppc iso. Unfortunately this bug is still
around and my PowerBook 5,6 still affected.
** Tags removed: kernel-fixed-upstream
** Tags added: kernel-bug-exists-upstream
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After a reinstall with an ext4 / partition I finally got a 4.8.0-rc4
mainline build running. At least there's no instant crash any longer.
The system was running for about 3 hours or so, but with some drm CP
ring warnings.
** Tags added: kernel-fixed-upstream
** Changed in: linux (Ubuntu)
Finally got around compiling a proper mainline Ubuntu 4.8-rc3 kernel.
Unfortunately it does not boot into my root partition due to an btrfs
error... So ATM no news if this freezing issue got fixed in more recent
kernels.
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https://bugs.freedesktop.org/show_bug.cgi?id=95017.
If you reply to an imported comment from within Launchpad, your comment
will be sent to the remote bug automatically. Read more about
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** Bug watch added: freedesktop.org Bugzilla #95017
https://bugs.freedesktop.org/show_bug.cgi?id=95017
** Also affects: linux via
https://bugs.freedesktop.org/show_bug.cgi?id=95017
Importance: Unknown
Status: Unknown
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Please try the following boot options:
radeon.agpmode=-1 radeon.modeset=1 video=offb:off video=radeonfb:off
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Title:
System freeze
@Joseph:
Ahm, well, had a look at http://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.6-rc4-wily/. There is only a ppc64el PowerPC kernel. The
Apple G4 machines are 32bit, big endian. So I cannot test this latest
upstream kernel on the affected hardware.
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@Joseph:
This issue also exists in Ubuntu MATE 15.10 PowerPC. I did not try
versions older than 15.10.
I will try the latest mainline kernel and report back as you suggested.
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Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.6 kernel[0
@Martin:
Thanks! As I suggested in the original bug description
"radeon.agpmode=-1" works as boot option. But as it's a bug and I didn't
find an up-to-date bug description I filed one. I am sure this affects
some more users of Apple PPC hardware.
Interestingly enough my Powerbook 5,8 is not affec
My PowerMac G5 7,3 is also affected. One time it had a total freeze,
another time there was severe graphics corruption on the desktop but the
machine kept usable.
Graphics card according to Xorg.0.log: "ATI Radeon 9600 AP (AGP)"
(ChipID = 0x4150), DRI driver: r300
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Please try the following boot options:
radeon.agpmode=-1 radeon.modeset=1 video=offb:off video=radeonfb:off
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Title:
System freeze
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/1571416
** Tags added: iso-testing
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This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
System freezes shortly after r
Public bug reported:
The freeze happens every time unless I use "radeon.agpmode=-1" as a
kernel parameter. Affected machine: PowerBook G4 5,6.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-18-powerpc-smp 4.4.0-18.34
ProcVersionSignature: Ubuntu 4.4.0-18.34-powerpc-smp 4.
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