On Fri, 2014-06-20 at 16:16 -0400, Robert P. J. Day wrote: > On Fri, 20 Jun 2014, Adam Williamson wrote: > > > On Fri, 2014-06-20 at 14:32 -0400, Robert P. J. Day wrote: > > > > > if, however, i simply unplug the external monitor from HDMI, no > > > problem, and i can plug in the monitor after booting. oh, and as > > > before, once i'm running under this new (but clearly broken) kernel, > > > when i go to shut down, massive kernel panic and stack trace. > > > > > > i can do more testing tomorrow, but this has now been an issue for > > > the last three rawhide kernel releases. is no one else seeing > > > something like this? more later ... > > > > Issues like this are very hardware specific; it'd be very unusual > > for there to be a bug which affected *any* system with an HDMI > > display, because the code for dealing with HDMI displays attached to > > NVIDIA adapters is entirely different from the code for dealing with > > HDMI displays attached to Intel adapters or AMD adapters. > > ... snip ... > > i'll see what kind of debugging i can do this weekend based on the > rest of your note, but here's one more brief data point related to my > current 3.16.0-0.rc1.git3.1.fc21.x86_64 kernel. > > if i boot without HDMI connected to external monitor, it works. i > can then plug in external monitor but when i reboot, the shutdown > dumps a kernel stack trace. > > *however*, if i boot successfully without an external monitor, and > subsequently never plug one in, then i can reboot just fine. so the > problem rears its ugly head either: > > 1) booting with HDMI-connected monitor, or > 2) shutting down after having, at some point, connected a monitor via > HDMI to the running system. > > in short, there's something about HDMI that's screwed, apparently > related to this nouveau driver. more later as i debug further. Yep, that sounds like an accurate summary. It would be interesting for you to get logs from both the broken cases, and check whether you're hitting the *same* traceback in each case. -- Adam Williamson Fedora QA Community Monkey IRC: adamw | Twitter: AdamW_Fedora | XMPP: adamw AT happyassassin . net http://www.happyassassin.net -- test mailing list test@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe: https://admin.fedoraproject.org/mailman/listinfo/test
