Re: [linux-next:master 2964/10599] error[E0609]: no field `dev` on type `drm_gem_object`

[Philip Li <philip.li@intel.com>]

On Fri, Nov 21, 2025 at 09:06:17AM +0000, Alice Ryhl wrote:
> On Fri, Nov 21, 2025 at 06:47:35AM +0800, kernel test robot wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> > head:   88cbd8ac379cf5ce68b7efcfd4d1484a6871ee0b
> > commit: d3917368ebc5cd89d7d08eab4673e5c4c73ff42f [2964/10599] rust: drm/gem: Remove Object.dev
> > config: um-randconfig-001-20251121 (https://download.01.org/0day-ci/archive/20251121/202511210649.lhQnt194-lkp@intel.com/config)
> > compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece)
> > rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251121/202511210649.lhQnt194-lkp@intel.com/reproduce)
> > 
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@intel.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202511210649.lhQnt194-lkp@intel.com/
> > 
> > All errors (new ones prefixed by >>):
> > 
> > >> error[E0609]: no field `dev` on type `drm_gem_object`
> >    --> rust/kernel/drm/gem/mod.rs:231:57
> >    |
> >    231 |         unsafe { drm::Device::from_raw((*self.as_raw()).dev) }
> >    |                                                         ^^^ unknown field
> >    |
> >    = note: available field is: `_address`
> 
> I tried reproducing this on commit d3917368ebc5, but I got this error
> instead:
> 
> 	error[E0432]: unresolved imports `core::sync::atomic::AtomicI64`, `core::sync::atomic::AtomicU64`
> 	  --> <linux>/rust/kernel/debugfs/traits.rs:12:27
> 	   |
> 	12 |     AtomicI16, AtomicI32, AtomicI64, AtomicI8, AtomicIsize, AtomicU16, AtomicU32, AtomicU64,
> 	   |                           ^^^^^^^^^ no `AtomicI64` in `sync::atomic`              ^^^^^^^^^ no `AtomicU64` in `sync::atomic`
> 	   |
> 	help: a similar name exists in the module
> 	   |
> 	12 |     AtomicI16, AtomicI32, AtomicI32, AtomicI8, AtomicIsize, AtomicU16, AtomicU32, AtomicU64,
> 	   |                           ~~~~~~~~~
> 	help: a similar name exists in the module
> 	   |
> 	12 |     AtomicI16, AtomicI32, AtomicI64, AtomicI8, AtomicIsize, AtomicU16, AtomicU32, AtomicU32,
> 	   |                                                                                   ~~~~~~~~~
> 	
> 	error[E0560]: struct `bindings::drm_gem_object_funcs` has no field named `vmap`
> 	   --> <linux>/rust/kernel/drm/gem/mod.rs:188:9
> 	    |
> 	188 |         vmap: None,
> 	    |         ^^^^ `bindings::drm_gem_object_funcs` does not have this field
> 	    |
> 	    = note: available fields are: `kernel_vmap`
> 	
> 	error: aborting due to 2 previous errors
> 
> This was with ARCH=um SUBARCH=i386 in my make invocation and the
> provided config.
> 
> Perhaps this config is just not working in general?

Sorry that this kconfig reports quite some rust related issues today,
i will avoid sending out these reports directly until there's some
clue whether these issues are false one or not.

> 
> Alice
>