On Tue, May 7, 2013 at 4:18 PM, Paulo Zanoni <przanoni at gmail.com> wrote: > 2013/5/7 Daniel Vetter <daniel at ffwll.ch>: >> On Fri, May 03, 2013 at 12:15:39PM -0300, Paulo Zanoni wrote: >>> From: Paulo Zanoni <paulo.r.zanoni at intel.com> >>> >>> This fixes "unclaimed register" messages when the power well is >>> disabled and there's a GPU hang. >> >> How does this blow up in a gpu hang? Afaics pipe_enabled is mostly called >> in the vblank code, so this should blow up any time we call a vblank >> function on a disabled pipe ... > > If I add patches to also detect unclaimed "reads" instead of just > writes and some dump_stack() calls, then call ZZ_hangman: Yeah, reading the gpu reset code I've stumbled over the irq install/unistall stuff. I still wondered why you've mentioned this and not the vblank stuff itself. Does that nowhere show up when running i-g-t? I've somewhat expected that kms_flip would hit it. If not I need to add another wishlist subtest ;-) -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch
