Bug #1502459 seems to be duplicate.
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https://bugs.launchpad.net/bugs/1496290
Title:
System freeze due to "angry" nouveau driver
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** Attachment removed: "WifiSyslog.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1496290/+attachment/4465919/+files/WifiSyslog.txt
** Attachment removed: "UdevDb.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1496290/+attachment/4465917/+files/UdevDb.txt
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https://bugs.launchpad.net/bugs/1496290
Title:
System freeze due to "angry" nouveau driver
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I have back-ported commit adc346b133c952ec6988d90f6fa79cbe0a3eb7ef to
Ubuntu-lts-3.19.0-30.33_14.04.1 from git://kernel.ubuntu.com/ubuntu
/ubuntu-trusty.git and I can confirm that the bug has not manifested
itself ever since.
How can I contribute the back-ported patch into the Ubuntu kernel 3.19?
** Tags added: cherry-pick reverse-bisect-done
** Changed in: linux (Ubuntu)
Importance: Medium => High
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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I tested the upstream Linux 4.2 kernel.
As per https://bugs.freedesktop.org/show_bug.cgi?id=87244#c10, applying
said commit solves the problem. When time permits, I will create a 3.19
kernel with the cherry-picked commit and give it a try.
** Bug watch added: freedesktop.org Bugzilla #87244
Witold Szczeponik, to clarify, you personally tested commit
adc346b133c952ec6988d90f6fa79cbe0a3eb7ef to fix your issue (and
reverting it breaks functionality)?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Installed Linux 4.2 and after the problem seems to be resolved (cf.
commit adc346b133c952ec6988d90f6fa79cbe0a3eb7ef in Linux 4.0).
** Tags added: kernel-fixed-upstream kernel-fixed-upstream-4.2
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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You received this bug
apport information
** Tags added: apport-collected
** Description changed:
Starting with the 3.19 kernels (Vivid), the system frequently freezes in
the nouveau driver, with the following lines (w/ out timestamp and
hostname) always being reported in "/var/log/kern.log" and/or
Witold Szczeponik, 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
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