https://bugs.freedesktop.org/show_bug.cgi?id=63135
Priority: medium
Bug ID: 63135
Assignee: [email protected]
Summary: [bisected] G69/nv50 DisplayPort dual-head fails to
switch to KMS
QA Contact: [email protected]
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: [email protected]
Hardware: x86-64 (AMD64)
Status: NEW
Version: git
Component: Driver/nouveau
Product: xorg
Created attachment 77445
--> https://bugs.freedesktop.org/attachment.cgi?id=77445&action=edit
systemd journal with kernel messages
Hardware: NVIDIA Corporation G96 [Quadro FX 580] (rev a1)
Distro: Arch Linux
Bisected commit:
http://cgit.freedesktop.org/nouveau/linux-2.6/commit/?id=2c1a425e7d537ea655fa276f267c0b1cd100ff34
Steps to reproduce:
1. Boot system into text mode with normal kernel parameters.
2. Wait for module to load and attempt KMS.
Expected behavior:
3. KMS succeeds, login prompt appears.
Actual behavior:
3. System locks up and monitors go into power-saving mode.
More info:
* With nouveau.modeset=0, system boots normally.
* Was able to use SysRq to sync disks after hang but could not ssh, ping, or
reboot.
* Regression still present in current nvidia-git (db1b0f52) as well as
kernel.org git.
* nvidia module is not installed.
lspci.log and vbios.rom forthcoming.
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