tree: git://people.freedesktop.org/~mlankhorst/linux locking-rework head: 500c1dc1795a3abb508252aef3fbbef0053f84d4 commit: 0be88c62774a10ec2522a9121affa316b9cb4b4b [26/27] drm/i915: Ensure we hold the pin mutex config: x86_64-defconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 487ca07fcc75d52755c9fe2ee05bcb3b6eeeec44) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 0be88c62774a10ec2522a9121affa316b9cb4b4b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): vim +/lockdep_is_held +1011 drivers/gpu/drm/i915/i915_vma.c 1002 1003 int i915_ggtt_pin(struct i915_vma *vma, struct i915_gem_ww_ctx *ww, 1004 u32 align, unsigned int flags) 1005 { 1006 struct i915_address_space *vm = vma->vm; 1007 int err; 1008 1009 GEM_BUG_ON(!i915_vma_is_ggtt(vma)); 1010 1012 1013 do { 1014 if (ww) 1015 err = i915_vma_pin_ww(vma, ww, 0, align, flags | PIN_GLOBAL); 1016 else 1017 err = i915_vma_pin(vma, 0, align, flags | PIN_GLOBAL); 1018 if (err != -ENOSPC) { 1019 if (!err) { 1020 err = i915_vma_wait_for_bind(vma); 1021 if (err) 1022 i915_vma_unpin(vma); 1023 } 1024 return err; 1025 } 1026 1027 /* Unlike i915_vma_pin, we don't take no for an answer! */ 1028 flush_idle_contexts(vm->gt); 1029 if (mutex_lock_interruptible(&vm->mutex) == 0) { 1030 i915_gem_evict_vm(vm); 1031 mutex_unlock(&vm->mutex); 1032 } 1033 } while (1); 1034 } 1035 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org