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-   -   Bug#637236: gcc-4.6/gcj-4.6 build failures on kfreebsd-amd64 are back again (http://www.linux-archive.org/debian-gcc/592597-bug-637236-gcc-4-6-gcj-4-6-build-failures-kfreebsd-amd64-back-again.html)

Robert Millan 10-29-2011 02:15 PM

Bug#637236: gcc-4.6/gcj-4.6 build failures on kfreebsd-amd64 are back again
 
2011/10/29 Ludovic Brenta <ludovic@ludovic-brenta.org>:
> Robert Millan <rmh@debian.org> writes:
>> 2011/10/27 Matthias Klose <doko@debian.org>:
>>> looks like bug #637236 is back again. is this a buildd issue again?
>>> can the package be built locally?
>>
>> The #637236 log suggests that the problem is likely to be a race
>> condition. *About one month ago, Petr asked [1] if parallel build
>> could be disabled. In the bug log this question remains unanswered.
>>
>> Could parallel build be disabled, either unconditionally or
>> specifically for (kfreebsd-)amd64?
>>
>> [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=637236#37
>
> Matthias tried to disable parallel builds on kfreebsd-*:
>
> ifneq (,$(filter $(DEB_TARGET_ARCH), kfreebsd-amd64 kfreebsd-i386))
> *USE_NJOBS = no
> endif
>
> but it looks like the DEB_BUILD_OPTIONS on fano overrode him:
>
> # Support parallel=<n> in DEB_BUILD_OPTIONS (see #209008)
> ifneq (,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
> *NJOBS := -j $(subst parallel=,,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
> endif
>
> The package FTBFS on fano (the kfreebsd-amd64 buildd).
>
> As Matthias is travelling, I'll try to upload 4.6.1-3 this weekend.

Cool, thanks!

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Ludovic Brenta 10-30-2011 08:43 PM

Bug#637236: gcc-4.6/gcj-4.6 build failures on kfreebsd-amd64 are back again
 
Robert Millan <rmh@debian.org> writes:
>> Matthias tried to disable parallel builds on kfreebsd-*:
>>
>> ifneq (,$(filter $(DEB_TARGET_ARCH), kfreebsd-amd64 kfreebsd-i386))
>> *USE_NJOBS = no
>> endif
>>
>> but it looks like the DEB_BUILD_OPTIONS on fano overrode him:
>>
>> # Support parallel=<n> in DEB_BUILD_OPTIONS (see #209008)
>> ifneq (,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
>> *NJOBS := -j $(subst parallel=,,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
>> endif
>>
>> The package FTBFS on fano (the kfreebsd-amd64 buildd).
>>
>> As Matthias is travelling, I'll try to upload 4.6.1-3 this weekend.
>
> Cool, thanks!

The build on fano failed again despite using only one job :(

At this point I'll have to leave it to kFreeBSD porters to find the real
cause. There must be a difference between the buildds and
asdfasdf.debian.net.

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Aurelien Jarno 10-31-2011 10:33 AM

Bug#637236: gcc-4.6/gcj-4.6 build failures on kfreebsd-amd64 are back again
 
On Sun, Oct 30, 2011 at 10:43:03PM +0100, Ludovic Brenta wrote:
> Robert Millan <rmh@debian.org> writes:
> >> Matthias tried to disable parallel builds on kfreebsd-*:
> >>
> >> ifneq (,$(filter $(DEB_TARGET_ARCH), kfreebsd-amd64 kfreebsd-i386))
> >> *USE_NJOBS = no
> >> endif
> >>
> >> but it looks like the DEB_BUILD_OPTIONS on fano overrode him:
> >>
> >> # Support parallel=<n> in DEB_BUILD_OPTIONS (see #209008)
> >> ifneq (,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
> >> *NJOBS := -j $(subst parallel=,,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
> >> endif
> >>
> >> The package FTBFS on fano (the kfreebsd-amd64 buildd).
> >>
> >> As Matthias is travelling, I'll try to upload 4.6.1-3 this weekend.
> >
> > Cool, thanks!
>
> The build on fano failed again despite using only one job :(

It was expected, but at least it allows to compare the build logs more
easily.

> At this point I'll have to leave it to kFreeBSD porters to find the real
> cause. There must be a difference between the buildds and
> asdfasdf.debian.net.

It's worse than that, gcc-4.6 builds fine in the build daemon if the
build is done directly in the chroot or started directly by calling
sbuild. The problem only appears when the buildd process calls sbuild,
which makes things difficult to debug.

The next step is probably to do the next source uploads with another
architecture than amd64, to see if the problem is reproducible on the
amd64 build daemon.

--
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aurelien@aurel32.net http://www.aurel32.net



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Robert Millan 10-31-2011 03:09 PM

Bug#637236: gcc-4.6/gcj-4.6 build failures on kfreebsd-amd64 are back again
 
2011/10/31 Aurelien Jarno <aurelien@aurel32.net>:
> The next step is probably to do the next source uploads with another
> architecture than amd64, to see if the problem is reproducible on the
> amd64 build daemon.

It's already been, see:

https://buildd.debian.org/status/logs.php?pkg=gcc-4.6&arch=amd64

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Robert Millan 11-04-2011 09:53 PM

Bug#637236: gcc-4.6/gcj-4.6 build failures on kfreebsd-amd64 are back again
 
2011/10/31 Aurelien Jarno <aurelien@aurel32.net>:
> It's worse than that, gcc-4.6 builds fine in the build daemon if the
> build is done directly in the chroot or started directly by calling
> sbuild. The problem only appears when the buildd process calls sbuild,
> which makes things difficult to debug.

Maybe something in the environment triggers it. How about adding a
call to "env" command to fill the build log with?

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Robert Millan



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