dmesg warning during init

[Tom St Denis]

I have the same now and get the attached dmesg.

Tom

On 07/16/2018 10:25 AM, Michel Dänzer wrote:
> 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. :)
> Unfortunately, the backtrace isn't really usable, all entries have a
> question mark. 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.
> 
> 
> 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
> 
> 
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