| Bug ID | 102300 |
|---|---|
| Summary | Second monitor shows black screen but has signal |
| Product | DRI |
| Version | XOrg git |
| Hardware | Other |
| OS | All |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | fayn@mt2015.com |
I can't set my second monitor to 1920x1080 mode in linux. This problem started 2-3 weeks ago. Disabling and enabling monitor with xrandr or XFCE settings used to restore signal (until next restart, sleep doesn't cause bug) but that doesn't help anymore and adding custom mode doesn't help either. I can set xrandr supported lower resolutions and they work. This happens in Archlinux with linux 4.12 / Mesa 17.1 / amdgpu 1.3.0 but also happens with linux 4.13rc5 / mesa-git / amdgpu-git. Everything works in grub and windows 7, but right after linux starts to boot it switches resolution (fb -> amdgpudrmfb i guess?) and ASUS monitor goes black. So the problem only happens in linux. it's UEFI boot for both OS. Ryzen 1700 ASUS Prime B350+ Radeon R9 285 Dell U2414H DVI-D-0 (HDMI -> DVI-D cable) ASUS VE247 DVI-I-1 (DVI-I cable) If logs are needed just tell what to show.
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