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Bug#589689: transition to libjack-jackd2-0 breaks many packages

Copying this to the appropriate bug...

On 01/08/10 11:38, Adam D. Barratt wrote:
> On Fri, July 30, 2010 19:02, Felipe Sateler wrote:
>> On 30/07/10 13:25, Adam D. Barratt wrote:
>>> - ardour: FTBFS on sparc (#590863)
>>> - csound: FTBFS on hppa (#590948)
>>> - slv2: FTBFS on hppa (#590976)
>> All these three look like problems with the buildd host/toolchain.
>> CSound hangs in a doxygen call that has not been modified since the -1
>> upload. Trying to build that same documentation in paer gives me
>> segmentation faults in doxygen in different stages almost every time (I
>> managed to build it after a few retries).
> Of the four tries on the buildds, csound hung in doxygen twice and during
> the source build twice, afaics.  That and the fact that it needed several
> tries on paer suggest that even if we it managed to build after another
> attempt or three, the next binNMU or sourceful upload may well have the
> same problem(s).

Indeed. How do you suggest working through this? Facts:

1. The build hangs unpredictably on a doxygen call.
2. The doxygen call is in build-indep (so it is not strictly necessary
for binary only builds, but gets executed anyway).

I can move the doxygen call away from there into binary-indep, but that
feels like a hack to me. I have been trying to build the doxygen
documentation a few times, and it looks like either doxygen is doing
something wrong with pthread mutex calls or the hppa kernel/libc are
doing something wrong with the calls doxygen makes. I'm getting some
assertion failures now too:

doxygen: pthread_mutex_lock.c:62: __pthread_mutex_lock: Assertion
`mutex->__data.__owner == 0' failed.

All hangs and segmentation faults seem to happen inside synchronization
calls (futex calls). I have not been able to reproduce the hang in the
Generating docs for compound ... stage.

>> The paer sid chroot does not
>> have the necessary build deps, so I can't binNMU it myself.
> You can, you just need to request that the build-deps be installed.

Not necessary, since the faulty command (doxygen) is already installed
and I do not plan on working around this bug by manually uploading a
package that will have the same problem again.

Felipe Sateler

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