So the offending commit got added in -29 to the vivid kernel, and
upstream is just as affected. The recent patch to add support for DP MST
didn't fix this (-32.37+bpo2.1 and -34.39+bpo1 had it).
Will be bisected (should be easy) and sent upstream.
** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Assignee: Timo Aaltonen (tjaalton)
Status: Confirmed
** Also affects: linux (Ubuntu Wily)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Wily)
Status: New => Confirmed
** Changed in: linux (Ubuntu Vivid)
Status: New => Confirmed
** Summary changed:
- [i915_bpo] [SKL-U] System hangs when switching video out to the next mode
with kernel updated to 3.19.0-32.37+bpo1
+ [SKL-U] System hangs when switching video out to the next mode
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https://bugs.launchpad.net/bugs/1514315
Title:
[SKL-U] System hangs when switching video out to the next mode
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