Am 16.07.2018 um 16:25 schrieb Michel Dänzer: > On 2018-07-16 02:10 PM, Tom St Denis wrote: >> Hi all, >> >> Back from vacation, booting up the latest drm-next kernel and noticed >> this warning on boot. Attached. >> >> I like the comment in the commit 5c200f56506a142451f17dbea7befa76dd74a942: >> >> "This shouldn't happen, but if it does, we'll get a backtrace of the >> caller, and update the pin_size values as needed." > Once again, turns out it is better to be safe than sorry. :) Exactly the same thought I had while seeing the backtrace :) > Unfortunately, the backtrace isn't really usable, all entries have a > question mark. Question marks aside both backtraces seem to come from DC, but I agree that this is pure speculation. > What does > > grep -e UNWINDER -e DEBUG_INFO -e FRAME_POINTER .config > > say in your build tree? FWIW, it's the below for me, and in my > backtraces some entries have no question mark, and those seem reliable. Additional to that what gcc and/or binutils version do you have? Christian. > > > CONFIG_SCHED_OMIT_FRAME_POINTER=y > CONFIG_DEBUG_INFO=y > CONFIG_DEBUG_INFO_REDUCED=y > # CONFIG_DEBUG_INFO_SPLIT is not set > # CONFIG_DEBUG_INFO_DWARF4 is not set > CONFIG_UNWINDER_ORC=y > # CONFIG_UNWINDER_FRAME_POINTER is not set > # CONFIG_UNWINDER_GUESS is not set > >