| Bug ID | 94933 |
|---|---|
| Summary | [RV610] Freeze when turning on an external monitor after resume from suspend |
| Product | DRI |
| Version | unspecified |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/Radeon |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | nicolamori@aol.com |
I have a laptop with a Mobility Radeon HD3470 (RV610) and Plasma 5.6.2 as desktop environment. After suspending to RAM and resuming, I experience a system freeze when trying to switch to a dual monitor setup using an external monitor connected to the VGA output. The dual monitor can be turned on without problems before the suspend/resume cycle. I don't know which logs/information could be useful to diagnose the problem, so I will provide it on demand. Thanks. System details -------------- VGA: Mobility Radeon HD3470 (RV610) OS: ArchLinux 64 bit, kernel 4.4.7, xf86-video-ati 7.7.0 Desktop: Plasma 5.6.2 (with KF5 5.21 and Qt 5.6.0) Steps to reproduce ------------------ - Start the system with only the laptop panel turned on - Suspend to RAM and then resume - Connect an external monitor - Enable the external monitor with xrandr or with the KCM module (System settings -> Display and Monitor -> Display configuration)
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