On Wed, Apr 03, 2019 at 03:29:17PM -0700, Randy Dunlap wrote: > On 4/3/19 1:53 PM, Josh Poimboeuf wrote: > > On Wed, Apr 03, 2019 at 08:02:43AM -0700, Randy Dunlap wrote: > >> On 4/3/19 1:24 AM, Stephen Rothwell wrote: > >>> Hi all, > >>> > >>> Changes since 20190402: > >>> > >> > >> on x86_64: > >> > >> arch/x86/entry/entry_64.o: warning: objtool: .entry.text+0x909: unreachable instruction > > > > Your .o file looks odd. I can't recreate the issue when I build the > > same object. > > This (randconfig) build has tracing enabled? Could that have anything to do > with it? No, I can't see any reasonable explanation for it other than a buggy toolchain. > The randconfig file is attached. I still can't recreate with your randconfig. > > Did the issue only just now show up? Can you bisect it? What version > > of binutils are you using? > > > ld -v > GNU ld (GNU Binutils; openSUSE Leap 42.3) 2.31.1.20180828-19 > > > My build logs show it first occurred (in my randconfig builds) in > linux-next-20190204. It seems really odd. Can you do a bisect? -- Josh
