From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: "Michel Dänzer" <michel@daenzer.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Jakub Jelinek <jakub@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Ingo Molnar <mingo@redhat.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Random panic in load_balance() with 3.16-rc
Date: Fri, 25 Jul 2014 11:42:58 +0200 [thread overview]
Message-ID: <20140725094258.GB295@x4> (raw)
In-Reply-To: <20140725092127.GA295@x4>
On 2014.07.25 at 11:21 +0200, Markus Trippelsdorf wrote:
> On 2014.07.25 at 18:03 +0900, Michel Dänzer wrote:
> > On 25.07.2014 17:15, Linus Torvalds wrote:
> > > On Thu, Jul 24, 2014 at 11:48 PM, Jakub Jelinek <jakub@redhat.com> wrote:
> > >>
> > >> Can I ask anyone involved in this for preprocessed source and all gcc command
> > >> line options to reproduce it, best in the form of a http://gcc.gnu.org/bugzilla/
> > >> bugreport?
> > >
> > > I've created bug 61904 for this:
> > >
> > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61904
> > >
> > > Note that I don't personally have a reproducer (my machine has
> > > gcc-4.8.3, and I don't see the same behavior), but I included the
> > > incorrect fair.s file that Michel sent me (which has all the command
> > > line options in it), and a pre-processed "fair.i" source file that I
> > > generated and that *should* match the configuration that was the
> > > source for that result. So there might be some version/configuration
> > > skew there between the two files, but I think they match.
> >
> > Thank you Linus for tracking down the problem and filing the bug report!
> > I would have done the latter as well, but I could only have channeled
> > your analysis anyway. :)
> >
> >
> > > Holler if you cannot reproduce the problem based on that.
> >
> > Likewise. I can create a GCC bugzilla account and add myself to the CC
> > list if that helps.
> >
> > FWIW though, the fair.i file you attached is basically identical to what
> > I'm getting, the only difference being a handful of file path strings.
>
> Unfortunately I cannot reproduce the issue. Please post your complete
> compiler invocation while also adding -v to the options.
The bug only happens for CONFIG_DEBUG_INFO !CONFIG_DEBUG_INFO_REDUCED
configurations.
--
Markus
next prev parent reply other threads:[~2014-07-25 9:43 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <53C77BB8.6030804@daenzer.net>
2014-07-17 7:58 ` Random panic in load_balance() with 3.16-rc Peter Zijlstra
2014-07-18 9:29 ` Michel Dänzer
2014-07-22 6:13 ` Michel Dänzer
2014-07-23 3:53 ` Michel Dänzer
2014-07-23 4:21 ` Linus Torvalds
2014-07-23 6:49 ` Peter Zijlstra
2014-07-23 8:05 ` Michel Dänzer
2014-07-23 8:28 ` Peter Zijlstra
2014-07-23 9:25 ` Peter Zijlstra
2014-07-23 9:31 ` Michel Dänzer
2014-07-23 9:45 ` Dietmar Eggemann
2014-07-23 11:11 ` Peter Zijlstra
2014-07-23 11:30 ` Peter Zijlstra
2014-07-23 14:24 ` Peter Zijlstra
2014-07-23 14:38 ` Michel Dänzer
2014-07-23 15:51 ` Linus Torvalds
[not found] ` <20140723155526.GW3935@laptop>
2014-07-23 16:54 ` Linus Torvalds
2014-07-23 17:03 ` Peter Zijlstra
2014-07-23 17:12 ` Linus Torvalds
2014-07-23 17:26 ` Linus Torvalds
2014-07-23 18:25 ` Peter Zijlstra
2014-07-23 18:35 ` Linus Torvalds
2014-07-23 18:41 ` Peter Zijlstra
2014-07-23 18:55 ` Linus Torvalds
2014-07-23 19:02 ` Peter Zijlstra
2014-07-23 19:20 ` Linus Torvalds
2014-07-24 1:43 ` Michel Dänzer
2014-07-24 18:47 ` Linus Torvalds
2014-07-24 18:59 ` Peter Zijlstra
2014-07-25 1:25 ` Michel Dänzer
2014-07-25 2:33 ` Linus Torvalds
2014-07-25 2:50 ` Nick Krause
2014-07-25 2:36 ` Nick Krause
2014-07-25 3:55 ` Alexei Starovoitov
2014-07-25 4:00 ` Nick Krause
2014-07-25 14:02 ` Steven Rostedt
2014-07-25 18:29 ` Linus Torvalds
2014-07-25 19:10 ` Steven Rostedt
2014-07-25 20:01 ` Linus Torvalds
2014-07-25 20:13 ` Steven Rostedt
2014-07-25 21:25 ` Jakub Jelinek
2014-07-26 18:28 ` Linus Torvalds
2014-07-26 18:39 ` Linus Torvalds
2014-07-26 19:35 ` Markus Trippelsdorf
2014-07-26 19:55 ` Theodore Ts'o
2014-07-26 20:20 ` Markus Trippelsdorf
2014-07-26 22:08 ` Jakub Jelinek
2014-07-26 19:56 ` Linus Torvalds
2014-07-26 20:03 ` Linus Torvalds
2014-07-26 20:19 ` Markus Trippelsdorf
2014-07-26 20:39 ` Linus Torvalds
2014-07-28 12:26 ` Frank Ch. Eigler
2014-07-28 13:10 ` Theodore Ts'o
2014-07-28 14:11 ` Frank Ch. Eigler
2014-07-28 16:45 ` Linus Torvalds
2014-07-28 17:27 ` Alexei Starovoitov
2014-07-28 18:09 ` Markus Trippelsdorf
2014-07-28 18:28 ` Linus Torvalds
2014-07-28 18:41 ` Markus Trippelsdorf
2014-07-29 8:58 ` Jakub Jelinek
2014-07-28 19:50 ` Theodore Ts'o
2014-07-28 3:47 ` Michel Dänzer
2014-07-28 16:48 ` Linus Torvalds
2014-07-29 2:29 ` Michel Dänzer
2014-08-05 3:19 ` Steven Rostedt
2014-07-26 18:02 ` Steven Chamberlain
2014-07-29 9:20 ` Michel Dänzer
2014-07-25 6:48 ` Jakub Jelinek
2014-07-25 8:15 ` Linus Torvalds
2014-07-25 9:03 ` Michel Dänzer
2014-07-25 9:21 ` Markus Trippelsdorf
2014-07-25 9:42 ` Markus Trippelsdorf [this message]
2014-07-23 18:07 ` Linus Torvalds
2014-07-23 18:31 ` Peter Zijlstra
2014-07-23 18:24 ` Peter Zijlstra
2014-07-23 17:04 ` Peter Zijlstra
2014-07-23 17:15 ` Linus Torvalds
2014-07-23 18:25 ` Peter Zijlstra
2014-07-23 18:23 ` Peter Zijlstra
2014-07-23 10:52 ` Peter Zijlstra
2014-07-24 7:18 ` Michel Dänzer
2014-07-24 7:51 ` Peter Zijlstra
2014-07-24 9:55 ` Peter Zijlstra
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