The problem persists in 14.04. The solution in comment #96 still does
not resolve the issue for me.
I can confirm Rahul's observation in #116. Adjusting the brightness
before the kernel loads works. Adjusting after that freezes the system.
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% sudo dmidecode -s bios-version sudo dmidecode -s bios-release-date
[sudo] password for tracey:
G5ET97WW (2.57 )
02/25/2014
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I noticed the bios-outdated tag, so I've updated the BIOS on my laptop
to the latest one offered by Lenovo, which is 2.57. I re-tested with
2014-Mar-13 and experienced the exact same results.
The daily builds for the 16th and 17th won't boot on my laptop.
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I've just attached the latest debugging logs from the live environment of
2014-Mar-13
I ran through the same testing steps as last time with very similar results
The only difference was that after undocking, I was not able to get to a
virtual terminal, I suspect the CPU was bound again.
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apport information
** Tags added: has-workaround regression reproducible ubuntu
** Description changed:
With my Lenovo W530 laptop, what is expected to happen is external
displays are correctly detected when the laptop is docked (after being
undocked). However, the user is not given the
apport information
** Attachment added: BootLog.txt
https://bugs.launchpad.net/bugs/1267281/+attachment/4022817/+files/BootLog.txt
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apport information
** Attachment added: Dependencies.txt
https://bugs.launchpad.net/bugs/1267281/+attachment/4022819/+files/Dependencies.txt
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apport information
** Attachment added: CurrentDmesg.txt
https://bugs.launchpad.net/bugs/1267281/+attachment/4022818/+files/CurrentDmesg.txt
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apport information
** Attachment added: DpkgLog.txt
https://bugs.launchpad.net/bugs/1267281/+attachment/4022820/+files/DpkgLog.txt
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Christopher, thank you for responding. I'm going to have to find time to
do all that testing again. This isn't a good week for that, as I'm
swamped at the office. Honestly, if you had mentioned the need for
xdiagnose in your first request for debugging information, I would have
only had to have
apport information
** Tags added: apport-collected trusty
** Description changed:
With my Lenovo W530 laptop, what is expected to happen is external
displays are correctly detected when the laptop is docked (after being
undocked). However, the user is not given the option to configure
apport information
** Attachment added: ProcEnviron.txt
https://bugs.launchpad.net/bugs/1267281/+attachment/3969240/+files/ProcEnviron.txt
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I've tested with the latest Ubuntu and Xubuntu nightly live USB images.
This is the first I had heard of those, and I'm very glad they are now
available, specifically for cases like this. Here are my results.
---Monitor setup---
Laptop 1920 x 1080
Left external 1920 x 1200
I can confirm that #5 and #6 are still present in Xubuntu 13.10
Nvidia / Intel hybrid graphics on a Lenovo laptop
Unfortunately, I'm not able to install the latest development release on this
as it belongs to my employer
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Public bug reported:
With my Lenovo W530 laptop, what is expected to happen is external
displays are correctly detected when the laptop is docked (after being
undocked). However, the user is not given the option to configure them.
I have to go to nVidia-Settings to re-activate the display on the
Unfortunately, the solution that worked for George does not work on my Lenovo
ThinkPad W530, running Ubuntu 13.10.
After trying to adjust brightness, I see the brightness graphic on the screen,
and the system freezes immediately.
This laptop has NVidia - Intel hybrid graphics, so the bug is
5. Auto-detection that a monitor has been disconnected
This is still a problem in Ubuntu 12.10
My use case:
I have a laptop which is my primary workstation at the office. I have it
connected to two external displays at my desk. I disconnect it from the
displays to tote the laptop with me to
This is also affecting me. After updating the nVidia driver, the
corrupted icons are now blank white instead of white with colored dots.
I've attached a screen shot, which was taken just after the system came
back from Suspend.
System:
Cairo-Dock - 3.0.0.1-0ubuntu1.1
OS - Ubuntu 12.04 LTS
Public bug reported:
I was trying to install the updated nvidia driver 304.43 through command
line
ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: nvidia-settings 295.33-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-35.55-generic 3.2.34
Uname: Linux 3.2.0-35-generic x86_64
It's an on-board Intel graphics controller. Here's the lspci and
modprobe for it.
$ lspci |grep raph
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset
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