I'm experiencing this issue on my mom's computer, a Gateway system with
an AMD A6-5400K APU (Radeon HD 7540D graphics). The behavior Jaap
Woldringh describes is exactly what I'm seeing. I boot an Ubuntu 16.04
liveDVD and I get the black screen. If I reboot from the liveDVD and
specify "nomodeset"
ok, will do. Should I boot from the 16.04 liveDVD, with "nomodeset"
specified, and run the "ubuntu-bug linux" command?
Thanks!
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https://bugs.launchpad.net/bugs/1568211
Titl
I'm also attaching the /var/log/Xorg.0.log file.
Thanks!
** Attachment added: "Xorg log file"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598935/+attachment/4695515/+files/Xorg.0.log
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Public bug reported:
When I boot an Ubuntu 16.04 live DVD on a Gateway system with an AMD
A6-5400K APU, with an integrated Radeon HD 7540D graphics adapter, I get
a black screen with no video image. If I boot the live CD with
"nomodeset" added to the kernel parameters, the system boots and shows
** Attachment added: "Updated Xorg log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1598935/+attachment/4695588/+files/Xorg.0.log
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Ok, this time, I have the live DVD booted with gfxpayload=text, "quiet
splash" not specified, and "nomodeset" *not* specified. Once the
optical drive stopped making noise, I pressed Ctrl-ALt-F1 and my monitor
immediately got a signal. I then pressed Ctrl-Alt-F7 and got to the
desktop.
I'll attac
I'll also attach the Xorg log from the system booted *without*
"nomodeset" specified. I'll boot again with "set gfxpayload=text"
specified and will post the logs.
Thanks!
** Attachment added: "Xorg log without "nomodeset" specified"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/159893
Ok, attached is the output from "dmesg" after I booted from the Ubuntu
16.04 live DVD. Per the instructions here:
https://wiki.ubuntu.com/DebuggingKernelBoot
I changed "set gfxpayload=keep" to "set gfxpayload=text"
After doing that, the wireless network adapter didn't work. Previously,
the wi
Thanks for the reply. Well, if I'm not getting any video I'm not sure
how I could get SSH setup but I do have something interesting to report.
When I boot the live DVD, leave the "set gfxpayload=keep" setting alone,
and remove "quiet splash" from the kernel parameters, I can get the
system to boot
Thanks for the reply. With regard to SSH, I have access to only one
system, the system on which I'm booting the live DVD. Ubuntu 14.04.2 is
installed on the system and works just fine. So, I would prefer *not*
touching this installation. I wanted to try the 16.04 live DVD to see
if there might
Ok, I _finally_ have an update on this. I put another hard drive into
the system, booted an Ubuntu 16.04.1 live DVD I burned today, and
installed Ubuntu 16.04.1 on this test hard drive. When I booted the
live DVD, the video issue occurred, so I re-booted and specified the
"nomodeset" parameter.
Ok, I have another update. I managed to get SSH setup and was able to
save some XOrg and dmesg logs. However, I think this bug report can be
closed. Why? Because, I'm able to get full resolution video with the
4.4 kernel. This is what I've found: if I boot my Ubuntu 16.04.1
system normally,
I have great news! The system is now booting properly! No more 20
minute wait to login! I noticed it with the update to the 4.4.0-42
kernel. So, this issue might have been fixed with either that kernel
update or the previous, 4.4.0-38 kernel update.
In any event, this is no longer an issue and
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