From: Markus <M4rkusXXL@web.de>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
lkml <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: objtool segfault with ORC unwinder enabled
Date: Wed, 10 Jan 2018 18:14:56 +0100 [thread overview]
Message-ID: <6019408.f4ZjTQluLH@markus> (raw)
In-Reply-To: <2483025.gTNvebosN7@markus>
On Thursday, 4 January 2018 19:25:12 CET Markus wrote:
> On Thursday, 4 January 2018 18:32:03 CET Josh Poimboeuf wrote:
> > On Thu, Jan 04, 2018 at 05:56:30PM +0100, Markus wrote:
> > > On Thursday, 4 January 2018 16:46:13 CET Josh Poimboeuf wrote:
> > > > I don't see anything unusual there. Are there any Gentoo patches
> > > > against either the kernel or GCC which would strip unused symbols?
> > >
> > > The kernel is the vanilla kernel. (4.14.11 and also 4.15-rc6)
> > > Its not a gentoo specific gcc patch. (Then every gentoo user would be
> > > affected?)
> > >
> > > But I enabled ld.gold as default linker like 5 years ago. Never had a
> > > problem with this.
> > >
> > > Is ld.gold supposed to fail here?
> > >
> > > I switched back to ld.bfd and it seems to work.
> >
> > Ah, that explains it. With CONFIG_MODVERSIONS, the linker does some
> > work after gcc, but before objtool. Can you try this patch? (Note this
> > isn't the final patch, as this breaks the CONFIG_MODVERSIONS=n case.)
Any more final patch I should test?
BR,
Markus
next prev parent reply other threads:[~2018-01-10 17:15 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-03 10:49 objtool segfault with ORC unwinder enabled Markus
2018-01-03 11:19 ` Greg Kroah-Hartman
2018-01-03 12:22 ` Markus
2018-01-03 13:59 ` Josh Poimboeuf
2018-01-03 14:14 ` Markus
2018-01-03 16:36 ` Josh Poimboeuf
2018-01-03 17:26 ` Markus
2018-01-04 15:46 ` Josh Poimboeuf
2018-01-04 16:56 ` Markus
2018-01-04 17:32 ` Josh Poimboeuf
2018-01-04 18:25 ` Markus
2018-01-10 17:14 ` Markus [this message]
2018-01-11 4:13 ` Josh Poimboeuf
2018-01-11 4:25 ` Josh Poimboeuf
2018-01-11 18:11 ` Markus
2018-01-11 18:20 ` Josh Poimboeuf
2018-01-11 18:52 ` Markus
2018-01-11 19:38 ` Josh Poimboeuf
2018-01-11 20:00 ` Markus
2018-01-11 20:19 ` Josh Poimboeuf
2018-01-03 14:14 ` Greg Kroah-Hartman
2018-01-03 14:36 ` Markus
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