Bug#755921: closed by Julien Cristau <jcristau@debian.org> (Bug#755921: fixed in mesa 10.3.0~rc3-3)
On 2015-09-09 19:40 +0200, Steinar H. Gunderson wrote:
> On Wed, Sep 09, 2015 at 07:34:00PM +0200, Sven Joachim wrote:
>>> It seems this is back: libgl1-mesa-dri-dbg contains no i965_dri.so
>>> in current unstable.
>> Of course not, because the packaging was switched to debhelper 9 in mesa
>> 10.3.0~rc3-3.
>
> ...OK? Perhaps some context would be in order, because I don't know why
> debhelper 9 would break things.
In compatibility level 9, dh_strip uses build-id under /usr/lib/debug,
see bug #642158[1] and the "COMPATIBILITY LEVELS" section in
debhelper(7). Switching to that compatibility level was necessary to
fix this bug in the first place, because the drivers are shipped under
multiple hardlinks[2].
>> Does gdb not pick up the symbols under /usr/lib/debug/.build-id
>> automatically?
>
> perf doesn't. I don't know about gdb.
Looks like you have been hit by bug #661193[3]. Two days ago somebody sent
a patch the LKML[4], apparently without any reply yet.
Cheers,
Sven
1. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=642158
2. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=755921#10
3. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=661193
4. http://article.gmane.org/gmane.linux.kernel/2033894
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