On 4/4/19 10:16 AM, Josh Poimboeuf wrote: > 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? > Sure, I'll give it a try. -- ~Randy
