On 2021-08-02 09:18:34 [+0200], Mike Galbraith wrote: > Nope. Before I even reverted the wake_q bits, I assembled a tree with > the ww_mutex changes completely removed to be absolutely certain that > they were innocent, and it indeed did retain its lost wakeup woes > despite complete loss of newfangled ww_mutex. 5.13-rt acquired those > same wakeup woes by receiving ONLY the wake_q bits, and 5.14-rt was > cured of those woes by ONLY them being reverted. I'm not seeing the > why, but those bits are either the source or the trigger of 5.14-rt > lost wakeup woes... they're toxic in some way shape fashion or form. Okay. So the ww-mutex bits are not the cure then. All you do is booting KDE/Plasma in kvm with virtio as GPU or did I mix up things? > -Mike Sebastian
