> Date: Mon, 24 Jul 2017 12:55:25 -0700 > From: Bryan Vyhmeister <br...@bsdjournal.net> > > On Mon, Jul 24, 2017 at 09:42:41PM +0200, Mark Kettenis wrote: > > > From: Bryan Vyhmeister <br...@bsdjournal.net> > > > > > > Running wsconsctl display.brightness also hangs. I have machdep.kbdreset > > > enabled in sysctl.conf so a Ctrl+Alt+Del does restart the machine. > > > > That is worrying. When that happens, can you log in remotely and send > > me the output of "ps AHuxl"? If not, can you send me that same output > > after the machine has been up for a bit? > > I can't kill the process without doing a reboot. I can still use the > machine but wherever I ran wsconsctl stays hung. Here is the output of > ps AHuxl.
So here is your problem: > bcv 42682 0.0 0.0 272 220 p5 D+ 12:51PM 0:00.00 wsconsctl > displa 1000 40999 0 10 0 acpilk Something else is holding on to the acpi lock and blocking wsconsctl from reading the backlight state. Bring this to the attentian of the acpi hackers on tech@.
