[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1492170
I can't test immediately in any case, as I am travelling and do not have
access to an external monitor.
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https://bugs.launchpad.net/bugs/1492170
Title:
Screen flicker and resolution
As I said, display was so badly broken with that kernel that I was
unable to test, though it might have been co-incidence - it has always
been rather temperamental with all the 4.1 and 4.2 kernels I have
tested. In my few short tests I was unable to get the external monitor
to display anything at
** Tags removed: bios-outdated-a15
** Tags added: latest-bios-a15
** Package changed: xserver-xorg-video-intel (Ubuntu) => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Importance: Low => Medium
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Current status: with BIOS A15 and kernel 4.2.0-11-generic I was unable
to get the external screen to connect at all in an X session (a VT
worked more or less fine). Now using kernel 4.3.0-040300rc3-generic and
so far no visible graphical problems at all. I will keep you updated.
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Michael Thayer, to clarify, is it still an issue in the latest Ubuntu kernel:
uname -a
Linux hostname 4.2.0-11-generic #13-Ubuntu SMP Mon Sep 21 21:33:10 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux
** Tags added: kernel-fixed-upstream kernel-fixed-upstream-4.3-rc3
needs-reverse-bisect
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Note that I cannot confirm that this was due to the BIOS update, since I
tested with the new kernel too. This was not an issue with the old BIOS
and a 4.1 kernel.
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Michael Thayer, thank you for reporting this and helping make Ubuntu
better. As per http://www.dell.com/support/home/us/en/04/product-
support/product/latitude-e7440-ultrabook/drivers/advanced an update to
your computer's buggy and outdated BIOS is available (A15). If you
update to this following
I am now no longer seeing the flicker and resolution issues much (and
poking the hardware, e.g. by opening the Display control panel usually
gets rid of it). I have a suspicion there might be hardware issues too.
The mouse cursor issue is still present with kernel 4.2.0-7-generic, and
still not
