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Groups > linux.debian.bugs.dist > #873011

Bug#884061: 4.9.65-3+deb9u1 breaks things on AMD/Intel hybrid systems

From Tarik Graba <tarik.graba@telecom-paristech.fr>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#884061: 4.9.65-3+deb9u1 breaks things on AMD/Intel hybrid systems
Date 2018-01-03 15:20 +0100
Message-ID <v3S3D-8jb-1@gated-at.bofh.it> (permalink)
References <uVmtX-7Ha-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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Hi,

The last kernel security update (4.9.65-3+deb9u1) makes it impossible to
log in a gnome session from gdm3.

gdm3 starts correctly but when I try to start a gnome session, every
thing hangs and I have to hard reboot the machine (which makes it hard
to debug).

The system is an HP Zbook 15u G2 with hybrid AMD/Intel graphics.

---
lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500
(rev 09)
04:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] Opal XT [Radeon R7 M265]
---

Also, with kernel 4.9.65-3, I have some strange flickering on an
external display (display port).

I had to move to a backport kernel (4.13.0-0.bpo.1-amd64 #1 SMP Debian
4.13.13-1~bpo9+1) to get a usable machine.


Tarik

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Bug#884061: 4.9.65-3+deb9u1 breaks things on AMD/Intel hybrid systems Tarik Graba <tarik.graba@telecom-paristech.fr> - 2018-01-03 15:20 +0100

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