any news on this?
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[i915]] *ERROR* CPU pipe A FIFO unde
Can anyone confirm the steps I took where all right?
What's the difference between the kernel I compiled and the officially
distributed one (4.2.0-27)? Any patches to reproduce the official binary?
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Hi Christopher,
4.5 rc5 has indeed fixed the issue for me. Thanks a lot :)
$ uname -a
Linux river 4.5.0-040500rc5-generic #201602201730 SMP Sat Feb 20 22:32:16 UTC
2016 x86_64 x86_64 x86_64 GNU/Linux
$ dmesg | grep i915
[2.513449] i915: unknown parameter 'lvds_downclock' ignored
[2.7436
Ah no, I was to quick to judge. Now the error occurred with 4.5rc5, but it is
less frequent. And the quality of the glitches change.
No more repetition errors, just "regular" graphic errors.
$ dmesg | grep i915
[2.513449] i915: unknown parameter 'lvds_downclock' ignored
[2.743658] [drm] I
So it turn out when I rebuild the package for 4.2.0-27 I already see
that glitches occurring in that specific kernel version. So it look like
there is difference between the package I built and the official package
or I screwed up the build process?
Here is what I did, I have to say the wik page y
See https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/1522922 Nothing really, except to stick with 4.1.21
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Titl
I'm still seeing the issue with latest:
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-next/current/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.10-xenial/
Where other people report the issues are fixed for them
However not as severe as with 4.2.0-30.36
Can someone please advise w
** Tags removed: needs-bisect
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Title:
[i915]] *ERROR* CPU pipe A FIFO underrun - Xorg glitches
Status in linux package in Ubuntu:
For me too, the hot plug workaround doesn't and I can't use the card
(uPD720202) in Ubuntu 14.10 like that
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https://bugs.launchpad.net/bugs/999462
Title:
ExpressCard34 slo
I have to retract my statement. I'm using a Lenovo x220.
Disabling "PCI Express Power management" (Config -> Power) via Bios resolves
the issue for me. Before Ubuntu became unresponsive (like the card is throwing
a lot of interrupts) after the *2nd* hot-plug, first one seems fine though. On
AC
I don't see the need for a bisect. To quote
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1522922/comments/125
"There's one thing I still don't understand... the root of the problem was
identified in https://bugs.freedesktop.org/show_bug.cgi?id=91393#c25";
The associate
I can also confirm that upgrading to 16.04 and using a 4.6 kernel
(http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-yakkety/) solves the
issue for me.
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