The solution I used (as an idiotic layman) was to upgrade (instead of
downgrading) the kernel to a version =3.15 by using the deb files which
may be found at
http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
Pick a subdirectory with high enough version (e.g. v3.15.3-utopic/ ).
You need 3
Is there any progress on publishing a fix to this in the lts-trusty HWE
for precise (or alternately providing lts-utopic for precise)? This is
currently an issue for some systems I am supporting. Downgrading them to
a 3.11 kernel or changing distributions is not currently an option for
me, and it
er, 3.09, not 3.11, but yeah
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Title:
Display is heavily distorted after kernel upgrades
Status in linux package in Ubuntu:
** Tags added: reverse-bisect-done
** Changed in: linux (Ubuntu)
Status: Incomplete = Triaged
** Tags added: cherry-pick
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Christopher, many thanks. If I did not mess up the bisecting, the bug is
fixed by commit 56071a207602a451f0c46d3dcc8379b59ef576e2
drm/i915: use lane count and link rate from VBT as minimums for eDP
I attached the log file of the bisection (and the last output after
identifying the commit). If I
Christopher, tested the daily build (utopic, written on a USB stick) a
few minutes ago and the bug is still present. The command uname -a
yields
Linux ubuntu 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC
2014 x86_64 x86_64 x86_64 GNU/Linux
which seems coherent with the fact that the
Antoine, the next step is to fully reverse commit bisect the kernel in
order to identify the fix commit. Could you please do this following
https://wiki.ubuntu.com/Kernel/KernelBisection#How_do_I_reverse_bisect_the_upstream_kernel.3F
?
** Tags added: utopic
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Christopher, upon trying to follow the instructions there and getting
the first bisect point I get a mess of error messages when running
mainline-build-one 60b5f90d0fac7585f1a43ccdad06787b97eda0ab utopic
in order to make the first build... (see attached .txt)
what did I miss?
** Attachment
Antoine, unfortunately I couldn't speak to mainline-build-one, as I
frankly don't use it when bisecting, and I didn't write that section. I
would recommend using the bisect procedure above that section, or if you
would like to work it out with mainline-build-one, ping Joseph
Salisbury.
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You
Dear Christopher,
I made a mistake by not quoting precisely enough the machine type: 41R66X1
This is(are) an Optiplex 9010 AIO (All-in-one) and was the reason for the
strange error message Cannot update a OptiPlex 9010 with a BIOS for OptiPlex
9010 from my previous comment.
I made the BIOS
Antoine, could you please test the latest upstream kernel available (the one
all the way at the top, and not the daily folder) following
https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional
upstream developers to examine the issue. Once you've tested the upstream
kernel,
** Tags added: kernel-bug-exists-upstream-3.15-rc5 kernel-fixed-upstream
kernel-fixed-upstream-3.15-rc6
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Antoine, could you please test http://cdimage.ubuntu.com/daily-
live/current/ and advise if this is reproducible?
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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Dear Christopher,
many thanks for your help and (probable) identification of the problem.
I tried to follows the instructions for the various option to install the
update via FreeDOS. I can run the update .exe (obtained from the Dell website)
but then I get the error message
Cannot
apport information
** Tags added: apport-collected trusty
** Description changed:
The bug is present already at boot (even from a USB stick boot without
installing) in all Ubuntu (and variants) relying on Linux kernels 3.10
to 3.12 (- still present in 3.13).
Because it's so easy to
mtornos, as per
http://www.dell.com/support/home/us/en/19/product-support/product/optiplex-9010/drivers
an update to your BIOS is available (A16). If you update to this following
https://help.ubuntu.com/community/BiosUpdate does it change anything? If it
doesn't, could you please both specify
Antoine, as per
http://www.dell.com/support/home/us/en/19/product-support/product/optiplex-9010/drivers
an update to your BIOS is available (A16). If you update to this following
https://help.ubuntu.com/community/BiosUpdate does it change anything? If it
doesn't, could you please both specify
mtornos, thank you for taking the time to report this bug and helping to make
Ubuntu better. Please execute the following command, as it will automatically
gather debugging information, in a terminal:
apport-collect 1251580
When reporting bugs in the future please use apport by using
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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