On 08/03/2018 07:23 PM, Masahiro Yamada wrote: > 2018-08-04 0:41 GMT+09:00 Randy Dunlap <rdun...@infradead.org>: >> On 08/02/2018 05:13 PM, Randy Dunlap wrote: >>> Hi Yamada-san, >>> >>> I see this every few weeks. It's not reproducible (it depends >>> on the moon, Mars, etc.). >>> >>> I'm using O=builddir. The build log is short (below). >>> >>> Do you see a makefile problem here? (nothing to do with mmotm; >>> I see it more frequently with linux-next since I do many daily >>> builds with it) >> >> BTW, this is just um defconfig with -j4. >> >> -- >> ~Randy >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in >> the body of a message to majord...@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > I will send a patch with commit description later > after more testing, > but the following patch should fix the issue. > > > diff --git a/arch/um/Makefile b/arch/um/Makefile > index d3975e7..1cec053 100644 > --- a/arch/um/Makefile > +++ b/arch/um/Makefile > @@ -120,7 +120,7 @@ archheaders: > $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \ > kbuild-file=$(HOST_DIR)/include/uapi/asm/Kbuild \ > obj=$(HOST_DIR)/include/generated/uapi/asm > - $(Q)$(MAKE) KBUILD_SRC= ARCH=$(HEADER_ARCH) archheaders > + $(Q)$(MAKE) -f $(srctree)/Makefile ARCH=$(HEADER_ARCH) archheaders > > > archprepare: include/generated/user_constants.h > > >
I tested this patch and it works. :) but then it's difficult to reproduce the problem. Thanks! -- ~Randy
