https://bugs.freedesktop.org/show_bug.cgi?id=75447
Priority: medium
Bug ID: 75447
Assignee: [email protected]
Summary: Secondary gpu is not enabled if nouveau is loaded from
initrd/initramfs
QA Contact: [email protected]
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: [email protected]
Hardware: x86-64 (AMD64)
Status: NEW
Version: unspecified
Component: Driver/nouveau
Product: xorg
Created attachment 94656
--> https://bugs.freedesktop.org/attachment.cgi?id=94656&action=edit
Working dmesg (nouveau not in initramfs)
When the nouveau kernel module is embedded in the initramfs (as in ubuntu
14.04), Xorg fails to start on the secondary GPU. The DRM appears to correctly
initialize both cards (see attahced logs), but the monitor connected to the
secondary one never comes up. Apart from removing the module from the
initramfs, a workaround is to stop X and execute at the terminal:
echo 0 > /sys/class/vtconsole/vtcon1/bind
rmmod nouveau
modprobe nouveau
and restart X.
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