@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).
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
> 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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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:
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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https://bugs.launchpad.net/bugs/1571416
Title:
System freezes
apport-collect 1541151
and then change the status of the bug to 'Confirmed'.
I am unable to run "apport-collect 1541151", because the iso does not
boot to a stage where network or file storage is accessible. I am
mererly thrown out to a busybox shell.
** Changed in: linux (Ubuntu)
Status:
Yay, with todays Version: 20160322 my PowerMac 7,3 is able to boot now!
Many thanks for the people and efforts involved!
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Title:
16.
Nope, the "problem loadin in-kernel . . ." message is gone, at least on
my PM7,3 which was affected. I could send the apport-collect now, as my
machine boots now. But is this still of use?
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Just now I read that Luigi Burdo posted on the forums his Quad G5 boots
now so I will mark this bug as fixed.
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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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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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.
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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@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
@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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@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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Public bug reported:
Bluetooth crashinfo displayed shortly after login. This happens
repeatedly.
ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: bluez 5.37-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-22.40-powerpc-smp 4.4.8
Uname: Linux 4.4.0-22-powerpc-smp ppc
ApportVersion: 2.20.1-0ubun
** Information type changed from Private to Public
** Changed in: bluez (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1591703
Title:
bluetoothd c
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)
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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Public bug reported:
Tried to boot todays daily Yakkety iso on my PowerMac G5 7,3 which failed:
"Unable to find a medium containing a live file system" (see photo). Same
problem also for Lubuntu's daily Yakkety iso.
The same iso boots however on my PowerBook G4 5,6 + 5,8.
** Affects: linux (Ubu
** Attachment added: "photo of the failed boot process"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1626332/+attachment/4745753/+files/P1030978.JPG
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I cannot add logs with apport-collect because the non-working kernel
does not get to a stage where this is possible.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Upgraded the Ubuntu MATE 16.10 on-disc installation to the recent linux-
image-4.8.0-16. Like the daily-iso the PM 7,3 does not boot but I get
more usedul error messages displayed on the framebuffer.
Several "Unknown symbol ence_release (err 0)" and "Unknown symbol mcount
(err 0)" messages are dis
Todays (03.10.2016) daily iso is still unbootable on my G5, though it is
a lot more verbose about not finding a media containing a live
filesystem. See attatched screenshot.
Now as I see theres error messenges I rememember the same error happened
during the beta phase of Ubuntu MATE 16.04 too, at
With todays daily live and "linux-image-4.8.0-21-generic
4.8.0-21.23"-kernel my G5 boots fine again into the desktop (as long as
boot-paramenter radeon.agpmode=-1 is used)!
Will mark this bug as fixed.
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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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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Pac
Still happens with Ubuntu MATE 17.04.
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https://bugs.launchpad.net/bugs/1591704
Title:
bluetoothd crashed with SIGSEGV in __GI__IO_wsetb()
Status in bluez package in Ubuntu
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