My system hangs with black screen (but coolers keep running) when I try to suspend to RAM. I have two radeon cards in my system (one is embedded to CPU and one discrete).
uname -a Linux Lenovo-G505s 4.4.0-21-lowlatency #37-Ubuntu SMP PREEMPT Mon Apr 18 20:20:26 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux Reproduces on generic kernel too. cat /etc/issue Ubuntu 16.04 LTS \n \l Only way to suppress this issue is to disable discrete card in BIOS. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/990129 Title: Suspend/Resume hangs and fails - Ubuntu 12.04LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/990129/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
