>From the engineer debugging the case:
I noted there is one thing interesting and may be useful for your 3.9.3
backporting:
the i915 Call Trace message will appear when the system is:
1. 3.5.0-32(default) + 3.8.6 i915 backport dkms
2. 3.9.3
the i915 Call Trace message won't appear when the system is:
1. 3.5.0-32(default) without 3.8.6 i915 backport dkms
2. 3.10-rc3
only "3.5.0-32(default) + 3.8.6 i915 backport dkms" raised this bug,
so I think the Call Trace message in comment 2 may not directly raise this bug
** Information type changed from Proprietary to Public
** Also affects: linux
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Timo Aaltonen (tjaalton)
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1194934
Title:
eDP powered off while attempting aux channel communication
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