Created attachment 139809 [details]
dmesg of trying commit b8f3439fa5358ac84d29fa2f4afa115500dec74c

Here is the full dmesg of trying the git://people.freedesktop.org/~agd5f/linux
branch drm-next-4.18 whose last commit is
8f3439fa5358ac84d29fa2f4afa115500dec74c