|Summary:||Radeon driver with radeon.dpm=1 causes lockout|
|Component:||DRM/Radeon||Assignee:||Default DRI bug account <dri-devel>|
|Status:||NEW ---||QA Contact:|
|i915 platform:||i915 features:|
Description lolwoot1234 2015-06-07 22:37:21 UTC
Description: Radeon driver cases lockout when trying to boot with radeon.dpm=1 with certain cards. Seems like dynamic power management causes the issue and radeon.dpm=0 fixes it. Additional info: * HD 6950, 7570M and HD6870 tested Steps to reproduce: * radeon.dpm=1
Comment 1 Michel Dänzer 2015-06-08 01:21:11 UTC
What exactly does "lockout" mean? What are the symptoms? Please attach the corresponding dmesg output and/or the kernel .config file. Is all the required microcode installed correctly? (It needs to be in the initrd as well if the driver is loaded from there)
Comment 2 lolwoot1234 2015-06-09 15:06:50 UTC
Lockout as in no systemd services working, can't ssh into it or switch tty/vt and getting a blank screen. Here is the systemd journal log when booting with the default radeon.dpm=1: http://pastebin.com/raw.php?i=SRpX7QLK If by microcode you mean the early KMS/initramfs, yes, it is installed correctly and works with radeon.dpm=0.
Comment 3 lolwoot1234 2015-09-03 23:35:15 UTC
Issue still not fixed... Early KMS doesn't really change anything anything.