[Qemu-devel] [Bug 1129571] Re: libreoffice armhf FTBFS

[Peter Maydell]

Thanks for the patch. John, since you're going to be doing more QEMU work in 
future I'd encourage you to go through the process of submitting it to 
upstream's mailing list and shepherding it through the patch review process.  
Upstream's patch submission guidelines are here: 
http://wiki.qemu.org/Contribute/SubmitAPatch. A couple of remarks about this 
patch specifically:
 * it's going to need a signed-off-by: line
 * it's fixing two different bugs (the actual futex bug and the strace error) 
and they will need to be in two different patches
 * you don't need to treat FUTEX_WAIT and _WAIT_BITSET separately, you can just 
always pass val3 to sys_futex in both cases (if the op is not FUTEX_WAIT_BITSET 
the kernel will just ignore the extra parameter)

Optional but nice: try the futex related bits of the LTP
(http://wiki.qemu.org/Testing/LTP) and see if more of them pass now (or
at least that we don't regress).

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https://bugs.launchpad.net/bugs/1129571

Title:
  libreoffice armhf FTBFS

Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  We have been experiencing FTBFS of LibreOffice 3.5.7, 12.04, armhf in
  the launchpad buildds. We believe this is likely due to an error in
  qemu.

  While we do not have a small test case yet, we do have a build log
  (attaching here).

  The relevant snippet from the build log is:

  
3.5.7/solver/unxlngr.pro/bin/jaxp.jar:/build/buildd/libreoffice-3.5.7/solver/unxlngr.pro/bin/juh.jar:/build/buildd/libreoffice-3.5.7/solver/unxlngr.pro/bin/parser.jar:/build/buildd/libreoffice-3.5.7/solver/unxlngr.pro/bin/xt.jar:/build/buildd/libreoffice-3.5.7/solver/unxlngr.pro/bin/unoil.jar:/build/buildd/libreoffice-3.5.7/solver/unxlngr.pro/bin/ridl.jar:/build/buildd/libreoffice-3.5.7/solver/unxlngr.pro/bin/jurt.jar:/build/buildd/libreoffice-3.5.7/solver/unxlngr.pro/bin/xmlsearch.jar:/build/buildd/libreoffice-3.5.7/solver/unxlngr.pro/bin/LuceneHelpWrapper.jar:/build/buildd/libreoffice-3.5.7/solver/unxlngr.pro/bin/HelpIndexerTool.jar:/build/buildd/libreoffice-3.5.7/solver/unxlngr.pro/bin/lucene-core-2.3.jar:/build/buildd/libreoffice-3.5.7/solver/unxlngr.pro/bin/lucene-analyzers-2.3.jar"
 com.sun.star.help.HelpIndexerTool -lang cs -mod swriter -zipdir 
../../unxlngr.pro/misc/ziptmpswriter_cs -o 
../../unxlngr.pro/bin/swriter_cs.zip.unxlngr.pro
  dmake:  Error code 132, while making '../../unxlngr.pro/bin/swriter_cs.zip'

  We believe this is from bash error code 128 + 4, where 4 is illegal
  instruction, thus leading us to suspect qemu.

  Any help in tracking this down would be appreciated.

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