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Bug#561203: marked as done (threads and fork on machine with VIPT-WB cache)

Your message dated Wed, 14 Aug 2013 16:33:06 +0200
with message-id <20130814143305.GB9553@inutil.org>
and subject line Re: Bug#561203: threads and fork on machine with VIPT-WB cache
has caused the Debian Bug report #561203,
regarding threads and fork on machine with VIPT-WB cache
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
561203: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=561203
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Source: kde4libs
Version: 4:4.3.4-1
Severity: serious
User: debian-hppa@lists.debian.org
Usertags: hppa

kde4libs hangs during build on hppa, but the hang location varies.

First attempt:
[...]
[ 48%] Generating org.kde.kded.xml
cd kded && /usr/bin/qdbuscpp2xml /build/buildd/kde4libs-4.3.4/kded/kdedadaptor.h > /build/buildd/kde4libs-4.3.4/obj-hppa-linux-gnu/kded/org.kde.kded.xml
qdbuscpp2xml: exit code 0 from moc. Aborting
QProcess: Destroyed while process is still running.
make[3]: *** Deleting file `kded/org.kde.kded.xml'
make[3]: *** wait: No child processes.  Stop.
make[3]: *** Waiting for unfinished jobs....
make[3]: *** wait: No child processes.  Stop.
make[2]: *** [kded/CMakeFiles/kdeinit_kded4.dir/all] Error 2
make[1]: *** [all] Terminated
make: *** [debian/stamp-makefile-build] Terminated
Build killed with signal 15 after 300 minutes of inactivity


Second attempt:
[...]
make[3]: Entering directory `/build/buildd/kde4libs-4.3.4/obj-hppa-linux-gnu'
cd kio && /usr/bin/automoc4 /build/buildd/kde4libs-4.3.4/obj-hppa-linux-gnu/kio/kio_automoc.cpp /build/buildd/kde4libs-4.3.4/kio /build/buildd/kde4libs-4.3.4/obj-hppa-linux-gnu/kio /usr/bin/moc-qt4 /usr/bin/cmake
Generating kdirwatch_p.moc
make[3]: *** wait: No child processes.  Stop.
make[3]: *** Waiting for unfinished jobs....
make[3]: *** wait: No child processes.  Stop.
make[2]: *** [kio/CMakeFiles/kio_automoc.dir/all] Error 2
make[1]: *** [all] Terminated
make: *** [debian/stamp-makefile-build] Terminated
Build killed with signal 15 after 300 minutes of inactivity


The third attempt is currently hung at:
[...]
make[3]: Entering directory `/build/buildd/kde4libs-4.3.4/obj-hppa-linux-gnu'
cd kdecore && /usr/bin/automoc4 /build/buildd/kde4libs-4.3.4/obj-hppa-linux-gnu/kdecore/kdecore_automoc.cpp /build/buildd/kde4libs-4.3.4/
kdecore /build/buildd/kde4libs-4.3.4/obj-hppa-linux-gnu/kdecore /usr/bin/moc-qt4 /usr/bin/cmake
Generating klibrary.moc


The build system looks wedged - it isn't consuming any cpu.
The build-related processes are:

  buildd    4199   766  0 02:53 ?        00:00:00 /usr/bin/make -C obj-hppa-linux-gnu
  buildd    4212  4199  0 02:53 ?        00:00:00 /usr/bin/make -f CMakeFiles/Makefile2 all
  buildd    5739  4212  0 02:55 ?        00:00:00 /usr/bin/make -f kdecore/CMakeFiles/kdecore_automoc.dir/build.make kdecore/CMakeFiles/kdecore_automoc.dir/build
  buildd    5740  5739  0 02:55 ?        00:00:00 /bin/sh -c cd kdecore && /usr/bin/automoc4 /build/buildd/kde4libs-4.3.4/obj-hppa-linux-gnu/kdecore/kdecore_automoc.cpp /build/buildd/kde4libs-4.3.4/kdecore /build/buildd/kde4libs-4.3.4/obj-hppa-linux-gnu/kdecore /usr/bin/moc-qt4 /usr/bin/cmake
  buildd    5741  5740  0 02:55 ?        00:00:00 /usr/bin/automoc4 /build/buildd/kde4libs-4.3.4/obj-hppa-linux-gnu/kdecore/kdecore_automoc.cpp /build/buildd/kde4libs-4.3.4/kdecore /build/buildd/kde4libs-4.3.4/obj-hppa-linux-gnu/kdecore /usr/bin/moc-qt4 /usr/bin/cmake
  buildd    5755  5741  0 02:56 ?        00:00:00 [cmake] <defunct>


strace shows that automoc4 is stuck in a select call:

  Process 5741 attached - interrupt to quit
  _newselect(1024, [10], [], NULL, NULL

--- End Message ---
--- Begin Message --- 
On Thu, Jun 10, 2010 at 11:27:16AM -0600, dann frazier wrote:
> On Thu, Jun 10, 2010 at 07:30:45PM +0300, Modestas Vainius wrote:
> > Hello,
> > 
> > On sekmadienis 06 Bir??elis 2010 04:01:23 Modestas Vainius wrote:
> > > On penktadienis 04 Bir??elis 2010 08:21:06 dann frazier wrote:
> > > > > My case and my analysis talked about UP kernel, and John David Anglin
> > > > > 
> > > > > made a patch:
> > > > > 	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=561203#144
> > > > > 
> > > > > After that, the discussion went to SMP cases.
> > > > > 
> > > > > It would be better to evaluate the patch again, and make sure it works
> > > > > for UP case and fix failures of buildd, then apply for Linux in Debian
> > > > > (only) for HPPA.
> > > > > 
> > > > > I know that the patch is not that ideal because it touches
> > > > > architecture independent part of Linux, but it is worth for Linux in
> > > > > Debian (or Linux for the HPPA machine of buildd, at least).
> > > > 
> > > > I'm happy to test the patch if necessary to help push this change
> > > > upstream. However, we do need the change to go upstream before we can
> > > > include it in the Debian kernel.
> > > 
> > > I made a hackish patch for QProcess in Qt (usleep(1000) before fork())
> > > which seems to reduce likelihood of the failure to very rare again. Once a
> > > new revision of qt4-x11 is uploaded to sid (soon I believe), KDE
> > > applications should be able to build again (hopefully).
> > 
> > qt4-x11/hppa 4:4.6.3-1 has recently been uploaded to incoming. It has my hppa 
> > hack applied. Therefore please give back the following KDE packages on hppa:
> > 
> > kde4libs basket kdesvn webkitkde kraft konq-plugins

hppa is no longer a supported arch, but this was fixed upstream recently: The changes
from http://thread.gmane.org/gmane.linux.ports.parisc/4267 are part of 3.10.

Cheers,
        Moritz

--- End Message ---
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