[PATCH 00/16] branch tracing support (resend)
Metzger, Markus T
markus.t.metzger@intel.com
Wed May 30 15:51:00 GMT 2012
> -----Original Message-----
> From: gdb-patches-owner@sourceware.org [mailto:gdb-patches-
> owner@sourceware.org] On Behalf Of Pedro Alves
> Sent: Wednesday, May 30, 2012 4:49 PM
> To: Metzger, Markus T
> Cc: kettenis@gnu.org; gdb-patches@sourceware.org;
> markus.t.metzger@gmail.com
> Subject: Re: [PATCH 00/16] branch tracing support (resend)
>
> On 05/29/2012 03:30 PM, Metzger, Markus T wrote:
>
> > I cannot reproduce this. I tried on several different systems
> > including 3.3.7-1.fc16.x86_64.
> > Have you seen this on other systems, as well?
>
>
> I tried again with the same kernel, and the crash was still there.
> I've updated my kernel to that version, and the crashes disappeared.
> I reverted to the previous kernel, and the crashes disappeared too...
> The update also brought along other system components, but it might be
> that there was just something broken in my gdb build. I don't have that
> particular binary any more.
Hmmm, strange.
> > Is there some configuration file or so that would allow me to build
> > gdb exactly the same way you do?
>
>
> just the usual: configure CFLAGS="-g3 -O0" && make
Depending on the state of the system, this can unfortunately result in very
different
things.
> > I can reproduce this. I changed the configuration without running
> > autoconf.
> ...
> > After
> > configuring, the gdb/testsuite/gdb.btrace directory is missing. I'll
> > add a
>
> > patch
> > with the autoconf changes to the series.
>
>
> Ah, I ran autoconf. The tests now run, but I get intermittent failures.
> Tested
> in a loop with:
>
> $ (set -e; while true; do make check RUNTESTFLAGS="--
> directory=gdb.btrace"; done)
[...]
The first hundred iterations are looking good on my system. I'm using
2.6.32-220.el6.x86_64, this time.
I'll let this run overnight and I'll try the fc16 system, as well.
If you could send me the gdb.log file, this would help.
> (Those "NOTE"'s looks quite unnecessary, btw.)
I removed them.
Thanks,
Markus.
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