** Tags added: cscc
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https://bugs.launchpad.net/bugs/1407913
Title:
In 3840x2160 high resolution mode, display would blink with Chrome /
Chromium browser opened, or with certain page
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Sanjana Gaur (3sanjanagaur)
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Title:
In 3840x2160 high resolution mode, display
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
** Changed in: hwe-next
Status: Confirmed => Won't Fix
** Changed in: hwe-next
Assignee: Timo Aaltonen (tjaalton) => (unassigned)
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https://bugs.freedesktop.org/show_bug.cgi?id=83497 had a fix patch in
Sept 2014... I just ran updates on Ubuntu 14.04 to no avail. Is this
released, I'm sorry I don't know how to check my release. Maybe I need
to do get a repository and make a cherry-pick or apply the patch myself?
Any
** Changed in: hwe-next
Assignee: (unassigned) = Timo Aaltonen (tjaalton)
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Title:
In 3840x2160 high resolution mode, display would blink
The link https://bugs.launchpad.net/somerville/+bug/1352820 leads to an
missing error page.
While waiting for upstream to fix the bug (btw,
https://bugs.freedesktop.org/show_bug.cgi?id=83497 seem to be
inconclusive regarding that), is there a temporary solution meanwhile?
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Thanks for the testing. I think nothing HWE can do right now. Pending on
upstream fix.
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Title:
In 3840x2160 high resolution mode, display would
Hello Anthony,
Yes, the 3.17 kernel provided in comment #72 works, display won't be
flickering with these steps.
** Changed in: hwe-next
Status: Incomplete = Confirmed
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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** Changed in: linux (Ubuntu)
Assignee: Anthony Wong (anthonywong) = Alberto Milone (albertomilone)
** Changed in: hwe-next
Status: New = Triaged
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Looks like the same issue as
https://bugs.freedesktop.org/show_bug.cgi?id=83497, Pipe A FIFO
underrun can be seen from dmesg.
@PHLin, our bug is https://bugs.launchpad.net/somerville/+bug/1352820,
can you grab the kernel in comment #72 and give it a try?
** Changed in: linux (Ubuntu)
Some error message could be found in dmesg output, but they won't be
generated when this happens
** Attachment added: dmesg.log
https://bugs.launchpad.net/hwe-next/+bug/1407913/+attachment/4292806/+files/dmesg.log
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For the error message in dmesg, I think it's the external webcam, it
could be reproduced when removing the external USB webcam. Therefore I
think they are not related.
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** Attachment added: Xorg.0.log
https://bugs.launchpad.net/hwe-next/+bug/1407913/+attachment/4292805/+files/Xorg.0.log
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https://bugs.launchpad.net/bugs/1407913
Title:
In 3840x2160
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