David Abergel, thank you for taking the time to report this bug and
helping to make Ubuntu better. However, I am closing it because the bug
has been fixed in the latest development version of Ubuntu.
This is a significant bug in Ubuntu. If you need a fix for the bug in
previous versions of Ubuntu,
Okay, I tested the daily build of xenial (ubuntu version) this morning.
It is using kernel 4.3.0-2, and I can confirm that this detects the
monitor without problem.
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https://b
David Abergel, it would be helpful to confirm if the commit is already
in Ubuntu by testing the live environment via http://cdimage.ubuntu.com
/daily-live/current/ . Could you please advise?
** Changed in: linux (Ubuntu)
Status: Triaged => Incomplete
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You mean upgrade to the whole distribution or just the kernel? This
issue is happening on my main work laptop so I need reasonable stability
so I'm not sure I want to use a pre-alpha distro.
I think for now I am fine using the mainline 4.3 kernel which works
fine, or the 4.2.0-rc8 one which I comp
David Abergel, if the updates have landed in Xenial already, you may
want to consider upgrading to it, versus waiting for a backport to
Vivid.
** Tags added: cherry-pick kernel-fixed-upstream kernel-fixed-
upstream-4.3 reverse-bisect-done
** Changed in: linux (Ubuntu)
Importance: Medium => Hig
Christopher, I have finished the bisection (man, that took a long time!)
and I have attached the output.
The summary is that commit 4efa83c8c786ab7ec7982e3dd348cb7e7ecbeb04 is
the one that fixes things. This makes sense because I am attaching my
external monitor via a DP->VGA dongle, mentioned in
David Abergel, the next step is to fully reverse commit bisect from
kernel 4.2 to 4.3 in order to identify the last bad commit, followed
immediately by the first good one. Once this commit has been identified,
then it may be reviewed as a candidate for backporting into your
release. Could you pleas
** Tags removed: bios-outdated-a07
** Tags added: latest-bios-a07
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https://bugs.launchpad.net/bugs/1520751
Title:
Kernel 4.2 does not detect external monitor
Status in lin
Dear Christopher,
I updated the BIOS today. Ouput from the command you requested is:
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
[password]
A07
11/11/2015
The problem persists, so I have marked this as Confirmed, per your
request.
As I stated in the initial post, the
Dear Christopher,
Thank you for the suggestion. Unfortunately, I won't be able to do this
for at least a week because Real Life™ is too busy. (Also, I've not
updated a BIOS before so I am cautious about the idea.)
But if I can do it some time in the next week or two I shall update the
bug.
Cheer
David Abergel, thank you for reporting this and helping make Ubuntu
better.
As per http://www.dell.com/support/home/us/en/19/product-
support/product/xps-13-9343-laptop/drivers/advanced an update to your
computer's buggy and outdated BIOS is available (A07). If you update to
this following https:/
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