*** This bug is a duplicate of bug 1492764 ***
https://bugs.launchpad.net/bugs/1492764
** This bug has been marked a duplicate of bug 1492764
[drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in ips_enabled
(expected 1, found 0)
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This may be a duplicate of #1492632.
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https://bugs.launchpad.net/bugs/1501431
Title:
Various i915 Intel display driver crashes reported on syslog
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Ganesha Bhaskara, as the original reporter (Eric Carvalho) noted he cannot
reproduce this with mainline 4.2.x, you would have a different issue. Hence, it
will help immensely if you filed a new report via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
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I am seeing this behavior in 4.2.x mainline kernels on Lenovo T440s.
[22758.651387] [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in
ips_enabled (expected 1, found 0)
[22758.651398] [ cut here ]
[22758.651445] WARNING: CPU: 0 PID: 923 at
/home/kernel/COD/linux/d
Eric Carvalho, if all the mainline kernels boot, then it indicates a
downstream Ubuntu patch that is causing this issue.
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
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Christopher, according the Ubuntu to Mainline kernel version mapping
(http://people.canonical.com/~kernel/info/kernel-version-map.html),
Ubuntu kernel 4.2.0-12.14 is based on Mainline kernel 4.2.1, but the
error messages didn't appear while booting this Mainline kernel.
Actually, all these Mainlin
Eric Carvalho, the next step is to fully reverse commit bisect from
kernel 4.2 to 4.3-rc3 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 p
Problem fixed in mainline kernel 4.3-rc3.
** Tags added: kernel-fixed-upstream kernel-fixed-upstream-4.3-rc3
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https:/
Eric Carvalho, thank you for reporting this and helping make Ubuntu
better. Could you please test the latest upstream kernel available from
the very top line at the top of the page from http://kernel.ubuntu.com
/~kernel-ppa/mainline/?C=N;O=D (the release names are irrelevant for
testing, and please
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1501431
Title:
Various i915 Intel display driver crashes reported on syslog
To manage
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