Re: [linux-next:master] BUILD REGRESSION 088b9c375534d905a4d337c78db3b3bfbb52c4a0

[Greg KH <gregkh@linuxfoundation.org>]

On Thu, Jul 07, 2022 at 02:56:34PM +0800, kernel test robot wrote:
> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> branch HEAD: 088b9c375534d905a4d337c78db3b3bfbb52c4a0  Add linux-next specific files for 20220706
> 
> Error/Warning reports:
> 
> https://lore.kernel.org/linux-doc/202207070644.x48XOOvs-lkp@intel.com
> 
> Error/Warning: (recently discovered and may have been fixed)
> 
> Documentation/arm/google/chromebook-boot-flow.rst: WARNING: document isn't included in any toctree
> arm-linux-gnueabi-ld: dc_dmub_srv.c:(.text+0x1108): undefined reference to `__aeabi_ddiv'
> arm-linux-gnueabi-ld: dc_dmub_srv.c:(.text+0x1124): undefined reference to `__aeabi_ui2d'
> arm-linux-gnueabi-ld: dc_dmub_srv.c:(.text+0x1164): undefined reference to `__aeabi_dmul'
> arm-linux-gnueabi-ld: dc_dmub_srv.c:(.text+0x1170): undefined reference to `__aeabi_dadd'
> arm-linux-gnueabi-ld: dc_dmub_srv.c:(.text+0x1180): undefined reference to `__aeabi_dsub'
> arm-linux-gnueabi-ld: dc_dmub_srv.c:(.text+0x1190): undefined reference to `__aeabi_d2uiz'
> arm-linux-gnueabi-ld: dc_dmub_srv.c:(.text+0x162c): undefined reference to `__aeabi_d2iz'
> arm-linux-gnueabi-ld: dc_dmub_srv.c:(.text+0x16b0): undefined reference to `__aeabi_i2d'
> dc_dmub_srv.c:(.text+0x10f8): undefined reference to `__aeabi_ui2d'
> dc_dmub_srv.c:(.text+0x464): undefined reference to `__floatunsidf'
> dc_dmub_srv.c:(.text.dc_dmub_setup_subvp_dmub_command+0x33c): undefined reference to `__floatunsidf'
> drivers/pci/endpoint/functions/pci-epf-vntb.c:975:5: warning: no previous prototype for 'pci_read' [-Wmissing-prototypes]
> drivers/pci/endpoint/functions/pci-epf-vntb.c:984:5: warning: no previous prototype for 'pci_write' [-Wmissing-prototypes]
> drivers/vfio/vfio_iommu_type1.c:2141:35: warning: cast to smaller integer type 'enum iommu_cap' from 'void *' [-Wvoid-pointer-to-enum-cast]
> mips-linux-ld: dc_dmub_srv.c:(.text.dc_dmub_setup_subvp_dmub_command+0x34c): undefined reference to `__floatunsidf'
> mips-linux-ld: dc_dmub_srv.c:(.text.dc_dmub_setup_subvp_dmub_command+0x378): undefined reference to `__divdf3'
> mips-linux-ld: dc_dmub_srv.c:(.text.dc_dmub_setup_subvp_dmub_command+0x38c): undefined reference to `__muldf3'
> mips-linux-ld: dc_dmub_srv.c:(.text.dc_dmub_setup_subvp_dmub_command+0x3a0): undefined reference to `__adddf3'
> mips-linux-ld: dc_dmub_srv.c:(.text.dc_dmub_setup_subvp_dmub_command+0x3b4): undefined reference to `__subdf3'
> mips-linux-ld: dc_dmub_srv.c:(.text.dc_dmub_setup_subvp_dmub_command+0x3d4): undefined reference to `__fixunsdfsi'
> mips-linux-ld: dc_dmub_srv.c:(.text.dc_dmub_setup_subvp_dmub_command+0x750): undefined reference to `__fixdfsi'
> mips-linux-ld: dc_dmub_srv.c:(.text.dc_dmub_setup_subvp_dmub_command+0x7c0): undefined reference to `__floatsidf'
> powerpc-linux-ld: drivers/pci/endpoint/functions/pci-epf-vntb.c:174: undefined reference to `ntb_link_event'
> xtensa-linux-ld: dc_dmub_srv.c:(.text+0x468): undefined reference to `__divdf3'
> xtensa-linux-ld: dc_dmub_srv.c:(.text+0x46c): undefined reference to `__muldf3'
> xtensa-linux-ld: dc_dmub_srv.c:(.text+0x470): undefined reference to `__adddf3'
> xtensa-linux-ld: dc_dmub_srv.c:(.text+0x474): undefined reference to `__subdf3'
> xtensa-linux-ld: dc_dmub_srv.c:(.text+0x478): undefined reference to `__fixunsdfsi'
> xtensa-linux-ld: dc_dmub_srv.c:(.text+0x47c): undefined reference to `__fixdfsi'
> xtensa-linux-ld: dc_dmub_srv.c:(.text+0x480): undefined reference to `__floatsidf'
> xtensa-linux-ld: dc_dmub_srv.c:(.text+0x60c): undefined reference to `__floatunsidf'
> 
> Unverified Error/Warning (likely false positive, please contact us if interested):
> 
> arch/x86/events/core.c:2114 init_hw_perf_events() warn: missing error code 'err'
> drivers/android/binder.c:1481:19-23: ERROR: from is NULL but dereferenced.
> drivers/android/binder.c:2920:29-33: ERROR: target_thread is NULL but dereferenced.
> drivers/android/binder.c:353:25-35: ERROR: node -> proc is NULL but dereferenced.
> drivers/android/binder.c:4888:16-20: ERROR: t is NULL but dereferenced.
> drivers/base/regmap/regmap.c:1996:1: internal compiler error: in arc_ifcvt, at config/arc/arc.c:9637
> drivers/char/random.c:869:1: internal compiler error: in arc_ifcvt, at config/arc/arc.c:9637
> drivers/firmware/arm_scmi/clock.c:394:1: internal compiler error: in arc_ifcvt, at config/arc/arc.c:9637
> drivers/firmware/arm_scmi/powercap.c:376:1: internal compiler error: in arc_ifcvt, at config/arc/arc.c:9637
> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_powertune.c:1214:1: internal compiler error: in arc_ifcvt, at config/arc/arc.c:9637
> drivers/gpu/drm/amd/display/dc/os_types.h: drm/drm_print.h is included more than once.
> drivers/gpu/drm/bridge/ite-it66121.c:1398:1: internal compiler error: in arc_ifcvt, at config/arc/arc.c:9637
> drivers/greybus/operation.c:617:1: internal compiler error: in arc_ifcvt, at config/arc/arc.c:9637

<snip>

When the compiler crashes, why are you blaming all of these different
mailing lists?  Perhaps you need to fix your compiler :)

thanks,

greg k-h