From: Randy Dunlap <rdunlap@infradead.org>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: linux-next: Tree for Apr 3 (objtool)
Date: Thu, 4 Apr 2019 13:51:36 -0700 [thread overview]
Message-ID: <9e4eb742-f306-7aea-a3d7-9abbb244bb55@infradead.org> (raw)
In-Reply-To: <20190404171618.6u36y5zu3euvd4zp@treble>
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
next prev parent reply other threads:[~2019-04-04 20:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-03 8:24 linux-next: Tree for Apr 3 Stephen Rothwell
2019-04-03 15:02 ` linux-next: Tree for Apr 3 (objtool) Randy Dunlap
2019-04-03 20:53 ` Josh Poimboeuf
2019-04-03 22:29 ` Randy Dunlap
2019-04-04 17:16 ` Josh Poimboeuf
2019-04-04 20:51 ` Randy Dunlap [this message]
2019-04-05 20:53 ` Randy Dunlap
2019-04-03 15:20 ` linux-next: Tree for Apr 3 (acpi_dev_get_first_match*) Randy Dunlap
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