https://bugzilla.kernel.org/show_bug.cgi?id=93281
Bug ID: 93281
Summary: Kernel modesetting causes the kernel to lock up during
boot on a late 2011 MacBook Pro
Product: Drivers
Version: 2.5
Kernel Version: 3.18
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri at kernel-bugs.osdl.org
Reporter: alex at strugee.net
Regression: No
Created attachment 166851
--> https://bugzilla.kernel.org/attachment.cgi?id=166851&action=edit
Upper half of the screen during hang
I'm the owner of a 15-inch late 2011 MacBook Pro. If I boot the system in the
default setup, it completely hangs shortly after starting the X server (at
least, AFAICT). If I boot with "nomodeset" appended to the kernel parameters,
then the system boots fine. This has happened for a long time now, so it's not
a recent regression or anything. I'm on Debian Unstable, with an untainted
kernel installed from experimental.
I will attach all relevant logs. All logs are from a boot with "nomodeset"
appended. I'll also attach photos of the logs that appear on the screen at the
time of the hang. These photos are from a slightly different kernel, but the
symptoms are the same.
I'm comfortable applying patches and building the kernel from source.
$ uname -a
Linux caught-sigsegv 3.18.0-trunk-amd64 #1 SMP Debian 3.18.6-1~exp1
(2015-02-07) x86_64 GNU/Linux
$ cat /proc/sys/kernel/tainted
0
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