[Bug 1880041] Re: Failing to shutdown/power off or reboot on AMD Ryzen CPUs on kernel versions 5.3.0-52 and later

Same issue with 5.3.0-53-generic *-51-generic works fine. AMD Ryzen 5 3500u with Radeon vega mobile gfx x 8 Ubuntu 18.04.4 LTS AMD Raven Gnome 3.28.2 64-bit -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1530365] Re: Audacity plays too fast and crashes when playing through Samson microphone

I have this same issue with fast playback and the same error message ALSA lib pcm.c:7905:(snd_pcm_recover) underrun occurred Ubuntu 15.10 Audacity 2.0.6 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.