** Description changed:
After upgrading to Xenial today and ensuring the xorg radeon driver was
enabled, when booting both monitor lose signal input and the keyboard
becomes unresponsive.
My hardware:
02:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI]
[Expired for xorg (Ubuntu) because there has been no activity for 60
days.]
** Changed in: xorg (Ubuntu)
Status: Incomplete => Expired
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Good news: I have a had a small eureka moment that results my computer
fully booted with graphics hardware fully accelerated. Bad news: it is
still a workaround -- I still can't push power button and boot up
normally.
Here is the workaround sequence -- it requires another computer that can
ssh
Charlie McMackin, in order to allow additional upstream developers to examine
the issue, at your earliest convenience, could you please test the latest
upstream kernel available from
http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ? Please keep in mind
the following:
1) The one to test
Thanks for the information seeker5528. Unfortunately for me, I'm not
seeing similar results. My XFX 5570 only has DVI, HDMI and HDCP outputs.
I just tested both DVI and HDMI alone and still the same issue for each.
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I meant XFX 5770
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https://bugs.launchpad.net/bugs/1568429
Title:
1002:68b8 Radeon won't work with KMS enabled
Status in xorg package in Ubuntu:
Confirmed
Bug
Christopher, I filed the report and subscribled you.
For others following here.
Did also find out in my case it happens when the monitor is attached
with a VGA cable.
It does not happen if I use a DVI cable to connect the monitor.
Still have to test have to test with monitor connected on HDMI
seeker5528, it will help immensely if you filed a new report with Ubuntu by
ensuring you have the package xdiagnose installed, and that you click the Yes
button for attaching additional debugging information running the following
from a terminal:
ubuntu-bug xorg
Also, please feel free to
Symptoms are as reported by others. Whether it's during boot or
attempting to enable after boot up. Screen goes black, reports no video,
then goes to sleep.
When it happens on boot, I can hit 'Ctrl'+'Alt'+'Del' or hit the power
button and the machine will reboot or shut down so things are still
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xorg (Ubuntu)
Status: New => Confirmed
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Don't know where mode setting broke, had my box set aside for a while,
so didn't get all my normal updating in.
I'm on Yakkety.
The most recent Ubuntu kernel that I have on my machine that did KMS was
4.3.0-5.16
None of the 4.4 kernels images work without adding nomodeset to the grub
options.
** Changed in: xorg (Ubuntu)
Status: Incomplete => New
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Title:
1002:68b8 Radeon won't work with KMS enabled
Status in xorg
I have the same problem after upgrading to 16.04 from 14.04.
I am using a Kaveri APU, that is supposed to work with both "radeon" and
"amdgpu" drivers.
The "radeon" driver doesn't work: after the very initial steps of the
bootstrap, the screen goes black, although a may access the system via
I receive:
mount: can't find /root in /proc/mounts
`more /proc/mounts` shows:
rootfs / rootfs rw 0 0
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
udev /dev devtmpfs rw,nosuid,relatime,size=4067424k,nr_inodes-1016856,mode=755
0 0
Charlie McMackin, when in initramfs can you mount it via:
mount -o remount,rw /root
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Title:
1002:68b8 Radeon won't work with KMS
"debug break" => black screen, not responsive, no initramfs shell
"debug break=modules" => black screen, not responsive, no initramfs shell
"debug break=top" => initramfs shell but I haven't figured out how to mount a
read-write filesystem to persist the initramfs.debug or dmesg output, yet.
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** Attachment removed: "dmesg-debug.log"
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1568429/+attachment/4706595/+files/dmesg-debug.log
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Charlie McMackin, to advise, the article provides information on how to
obtain details from a session when the issue occurs.
Posting logs from a working session unfortunately doesn't provide what
is needed.
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I'm still unable to boot following the linked directions by removing the
vt_handoff, quiet, and splash kernel params and also setting gfxmode to
"text". It follows nearly the same behavior black screen, constant hdd
activity light on -- the monitor however still detects an input signal,
it's just
Charlie McMackin, could you please provide the missing information from
https://wiki.ubuntu.com/DebuggingKernelBoot ?
** Tags removed: regression-release
** Tags added: regression-potential
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