>> I'm here to report two panics which hang forever (the machine cannot >> reboot). It is because mgag200 doesn't work in panic context. It sleeps and >> allocates memory non-atomically. > > This is the same for all drm drivers, the drm atomic handling with > fbcon/fbdev is totally broken. It would be serious work to fix this > properly.
It's a serious problem when a server crashes ... even worse when it hangs while doing so because we have to rely on some other agent to notice the hung server and go poke it with a stick. If it is too hard to fix all of the drivers, is it possible to attack this in the allocator? -Tony
