From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 121481] New: No video output after loading nouveau module
Date: Tue, 05 Jul 2016 16:32:11 +0000 [thread overview]
Message-ID: <bug-121481-2300@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=121481
Bug ID: 121481
Summary: No video output after loading nouveau module
Product: Drivers
Version: 2.5
Kernel Version: 4.7-rc6
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: demfloro@demfloro.ru
Regression: No
Created attachment 222091
--> https://bugzilla.kernel.org/attachment.cgi?id=222091&action=edit
dmesg for just modprobe nouveau
OS: Arch Linux
Video adapter: GeForce GTX 780 Ti
Since 4.7 loading nouveau module results in black screen, but when I load
nouveau module with parameter debug=trace the issue does not appear, screen
successfully switches to correct resolution and Xorg can be successfully
started.
I did following:
- after OS booting I issued command "modprobe nouveau", in this case execution
of the command took about 44 seconds;
- when "modprobe nouveau" returned control to shell I blindly issued command
"startx" on terminal in VT;
- after that machine was rebooted with "reboot"
- after reboot I issued command "modprobe nouveau debug=trace", it took about
11 seconds to finish;
- after that I issued "startx" and Xorg started sucessfully.
If I compile nouveau module in kernel then I lose video output right after
kernel loads if I don't pass nouveau.debug=trace parameter.
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next reply other threads:[~2016-07-05 16:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-05 16:32 bugzilla-daemon [this message]
2016-07-05 16:32 ` [Bug 121481] No video output after loading nouveau module bugzilla-daemon
2016-07-05 16:33 ` bugzilla-daemon
2016-07-05 16:34 ` bugzilla-daemon
2016-07-05 16:46 ` bugzilla-daemon
2016-07-05 16:55 ` bugzilla-daemon
2016-07-05 17:35 ` bugzilla-daemon
2016-07-05 17:36 ` bugzilla-daemon
2016-07-05 21:29 ` bugzilla-daemon
2016-07-05 21:57 ` bugzilla-daemon
2016-07-08 18:01 ` bugzilla-daemon
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