[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[LocutusOfBorg]

** Also affects: qemu
   Importance: Undecided
       Status: New

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  New
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  New

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Serge Hallyn]

Hi,

have already tested with that patch to verify that it fixes the
issue?  If I put qemu + that patch into a ppa, will your infrastructure
allow you to test that way?

I'm a bit concerned about this patch, as it appears to be one which has
been in the Suse tree for quite some time, begging the question why it is
not upstream.  It would be nice to hear from agraf or pmaydell whether
this patch is safe.


** Changed in: qemu (Ubuntu)
       Status: New => Incomplete

** Changed in: qemu (Ubuntu)
   Importance: Undecided => High

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  New
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Incomplete

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Peter Maydell]

That patch is not in mainline because it's an appalling hack. If we care
about multi-threaded guests we need to fix them properly, not paper over
the issues by constraining multiple threads to one CPU in the hopes the
race conditions don't bite us so often.

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  New
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Incomplete

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[LocutusOfBorg]

No, I did not test the patch, I don't think that I can push that patch
in lp infrastructure, and I don't have my own one.

Anyway Peter is right, we don't need to hide bugs, but to fix them ;)

** Changed in: qemu (Ubuntu)
       Status: Incomplete => New

** Tags removed: patch

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  New
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  New

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Serge Hallyn]

** Changed in: qemu (Ubuntu)
       Status: New => Confirmed

** Changed in: qemu (Ubuntu)
   Importance: High => Wishlist

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  New
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Colin Watson]

Peter: While this is true, is it actually likely to happen?  I thought
in our conversations in the past (when I previously attempted to
escalate this class of problems via Linaro) it had been fairly clear
that this was a very difficult task that isn't likely to be scheduled
for the foreseeable future.

** Changed in: launchpad-buildd
       Status: New => Triaged

** Changed in: launchpad-buildd
   Importance: Undecided => High

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Peter Maydell]

I think it's likely to happen eventually; it depends rather on the
balance between this and other work priorities (at least if it's going
to be Linaro doing the work). Regardless, I'm not taking hacky
workarounds like this into mainline (hacks are hard to get out once you
let them in, and they remove any motivation anybody might have had for
fixing things properly).

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Colin Watson]

Right, I can absolutely understand that.  The question would I suppose
be whether you think this is a completely unreasonable thing to put in a
distro patch; I think SUSE are doing so for basically the same reason we
would be, that is, a setup such as PPAs where virtualisation isn't
available directly on the architecture in question but we can use qemu-
user to run foreign-arch binaries reasonably transparently.  My
understanding is that this patch would make a pretty huge dent in our
failure rate for that setup.

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Peter Maydell]

Well, it won't make anything any worse, so it's your call based on how
much it actually improves your failure rate I guess.

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

To manage notifications about this bug go to:
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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Serge Hallyn]

https://launchpad.net/~serge-hallyn/+archive/ubuntu/qemu-user-thread
contains a package with this patch applied (built for trusty).  Please
let us know how much it helps.

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

To manage notifications about this bug go to:
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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[LocutusOfBorg]

I got this morning a new FTBFS in a package that have been always built successfully in the past, just FYI
https://launchpadlibrarian.net/181879742/buildlog_ubuntu-trusty-armhf.boinc_7.4.0~nightly1~~git20140809%2Br21874~r184~ubuntu14.04.1_FAILEDTOBUILD.txt.gz

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

To manage notifications about this bug go to:
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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[LocutusOfBorg]

Interesting enough the utopic build was successful!

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[LocutusOfBorg]

And when I retried the failed build it succeeded but a segmentation fault (core dumped) is in the logs
https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6254532
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Segmentation fault (core dumped)
Segmentation fault (core dumped)

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Serge Hallyn]

Are these new failures using the qem upackage in ppa:serge-hallyn/qemu-
user-thread, or using the stock trusty qemu package?

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[LocutusOfBorg]

How can I use your one? I have no possibility to tweak the host system,
I'm not an lp admin, do you think I can try to add your ppa as
dependency and it will work?

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

To manage notifications about this bug go to:
https://bugs.launchpad.net/launchpad-buildd/+bug/1350435/+subscriptions

Re: [Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Serge Hallyn]

No, that won't work as it's the emulator in which the build is running.

You should however be able to install the ppa's qemu on a local host,
install a standard ubuntu server vm, apt-get install ubuntu-dev-tools,
copy the package sources over to the vm, and build the packages inside
the vm.

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

To manage notifications about this bug go to:
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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[LocutusOfBorg]

Hi Serge, sorry for the delay,
the problem is that if I run pbuilder-dist utopic armhf create
pbuilder-dist utopic armhf build boinc_whatever.dsc the build never fails also with the trusty qemu, so I cannot test your package with the patch.
(I'm already on trusty, should I really install a server machine?)

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

To manage notifications about this bug go to:
https://bugs.launchpad.net/launchpad-buildd/+bug/1350435/+subscriptions

[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Serge Hallyn]

Perhaps i don't understand what you are doing.

My understanding was that a package is being built (in the buildds)
under qemu.  Qemu is failing due to tcg failure.  We want to tes
twhether a qemu patch fixes it.

That's why I suggest installing the new qemu package on your host, using
it to run a new server VM, and building the problematic package inside
that VM.  That way we can see whether the proposed qemu package fixes
the build error.

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[LocutusOfBorg]

I didn't install a VM because:
-I'm on ubuntu 14.04 on my laptop
-I use pbuilder-dist (from ubuntu-dev-tools) armhf that uses qemu as underlying virtualization system.

the fact is:
why on my machine it doesn't show this error?

possible solution:
-because qemu+pbuilder-dist is not multithreaded?

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  New
Status in “qemu” package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Serge Hallyn]

This patch is still not applied upstream.

As there has been no discussion in over a year, I assume it is no longer
a problem and  I'm going to mark it invalid.  Please rep;ly if that is
not the case.

If it *is* still a problem, then we should go discuss on oftc#qemu.

** Changed in: qemu (Ubuntu)
       Status: Confirmed => Invalid

** Changed in: qemu
       Status: New => Invalid

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  Invalid
Status in qemu package in Ubuntu:
  Invalid

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Michael Tokarev]

Well.  This is definitely wrong.  It is a valid bug, but it needs quite
serious work to fix, which requires major refactoring of the tcg code.
Upstream is working on it, see http://wiki.qemu.org/Features/tcg-
multithread

** Changed in: qemu
       Status: Invalid => Confirmed

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  Confirmed
Status in qemu package in Ubuntu:
  Invalid

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Serge Hallyn]

Ah, thanks for setting me straight.


** Changed in: qemu (Ubuntu)
       Status: Invalid => Confirmed

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Triaged
Status in QEMU:
  Confirmed
Status in qemu package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Colin Watson]

We're now building armhf/arm64 packages on real arm64 hardware in
Launchpad, so, while this problem may well still exist in qemu, it no
longer applies to Launchpad builds.

** Changed in: launchpad-buildd
       Status: Triaged => Won't Fix

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Won't Fix
Status in QEMU:
  Confirmed
Status in qemu package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Peter Maydell]

We think we've fixed our linux-user threading issues, so if there are
still problems as of qemu-2.11 or later, please raise a fresh bug report
with repro instructions.


** Changed in: qemu
       Status: Confirmed => Fix Committed

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Won't Fix
Status in QEMU:
  Fix Committed
Status in qemu package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Thomas Huth]

** Changed in: qemu
       Status: Fix Committed => Fix Released

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Won't Fix
Status in QEMU:
  Fix Released
Status in qemu package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[ChristianEhrhardt]

** Tags added: qemu-18.04

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Won't Fix
Status in QEMU:
  Fix Released
Status in qemu package in Ubuntu:
  Confirmed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[ChristianEhrhardt]

per former comments, in context qemu 2.11 is in proposed

** Changed in: qemu (Ubuntu)
       Status: Confirmed => Fix Committed

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Won't Fix
Status in QEMU:
  Fix Released
Status in qemu package in Ubuntu:
  Fix Committed

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[Launchpad Bug Tracker]

This bug was fixed in the package qemu - 1:2.11+dfsg-1ubuntu1

---------------
qemu (1:2.11+dfsg-1ubuntu1) bionic; urgency=medium

  * Merge with Debian testing, among other fixes this includes
    - fix fatal error on negative maxcpus (LP: #1722495)
    - fix segfault on dump-guest-memory on guests without memory (LP: #1723381)
    - linux user threading issues (LP: #1350435)
    - TOD-Clock Epoch Extension Support on s390x (LP: #1732691)
    Remaining changes:
    - qemu-kvm to systemd unit
      - d/qemu-kvm-init: script for QEMU KVM preparation modules, ksm,
        hugepages and architecture specifics
      - d/qemu-kvm.service: systemd unit to call qemu-kvm-init
      - d/qemu-system-common.install: install systemd unit and helper script
      - d/qemu-system-common.maintscript: clean old sysv and upstart scripts
      - d/qemu-system-common.qemu-kvm.default: defaults for
        /etc/default/qemu-kvm
      - d/rules: install /etc/default/qemu-kvm
    - Enable nesting by default
      - set nested=1 module option on intel. (is default on amd)
      - re-load kvm_intel.ko if it was loaded without nested=1
      - d/p/ubuntu/expose-vmx_qemu64cpu.patch: expose nested kvm by default
        in qemu64 cpu type.
      - d/p/ubuntu/enable-svm-by-default.patch: Enable nested svm by default
        in qemu64 on amd
    - libvirt/qemu user/group support
      - qemu-system-common.postinst: remove acl placed by udev, and add udevadm
        trigger.
      - qemu-system-common.preinst: add kvm group if needed
    - Distribution specific machine type
      - d/p/ubuntu/define-ubuntu-machine-types.patch: define distro machine
        types to ease future live vm migration.
      - d/qemu-system-x86.NEWS Info on fixed machine type defintions
    - improved dependencies
      - Make qemu-system-common depend on qemu-block-extra
      - Make qemu-utils depend on qemu-block-extra
      - let qemu-utils recommend sharutils
    - s390x support
      - Create qemu-system-s390x package
      - Include s390-ccw.img firmware
      - Enable numa support for s390x
    - ppc64[le] support
      - d/qemu-system-ppc.links provide usr/bin/qemu-system-ppc64le symlink
    - arch aware kvm wrappers
  * Added Changes
    - update VCS-git to match the bionic branch
    - sdl2 is yet too unstable for the LTS Ubuntu release given the reports
      we still see upstream and in Debian - furthermore sdl2 isn't in main yet,
      so we revert related changes to stick with the proven for now:
      - 0fd25810 - do not build-depend on libx11-dev (libsdl2-dev already
                   depends on it)
      - 9594f820 - switch from sdl1.2 to sdl2 (#870025)
    - d/qemu-system-x86.README.Debian: document intention of nested being
      default is comfort, not full support
    - update Ubuntu machine types for qemu 2.11
    - qemu-guest-agent: freeze-hook fixes (LP: #1484990)
      - d/p/guest-agent-freeze-hook-skip-dpkg-artifacts.patch
      - d/qemu-guest-agent.install: provide /etc/qemu/fsfreeze-hook
      - d/qemu-guest-agent.dirs: provide /etc/qemu/fsfreeze-hook.d
    - Create and install pxe netboot images for KVM s390x (LP: #1732094)
      - d/rules enable install s390x-netboot.img
      - debian/patches/ubuntu/partial-SLOF-for-s390x-netboot-compilation.patch
    - d/control-in: enable RDMA support in qemu (LP: #1692476)
    - on s390x provide facility bits 81 (ppa15) and 82 (bpb) (LP: #1743560)
      - d/p/ubuntu/linux-headers-update-to-4.15-rc1.patch
      - d/p/ubuntu/linux-headers-update-4.15-rc9.patch
      - d/p/ubuntu/lp1743560-s390x-kvm-Handle-bpb-feature.patch
      - d/p/ubuntu/lp1743560-s390x-kvm-provide-stfle.81.patch
    - tolerate ipxe size change on migrations to >=18.04 (LP: #1713490)
      - d/p/ubuntu/pre-bionic-256k-ipxe-efi-roms.patch: old machine types
        reference 256k path
      - d/control: depend on ipxe-qemu-256k-compat-efi-roms to be able to
        handle incoming migrations from former releases.
    - d/control-in: enable seccomp on s390x
  * Dropped changes (no more needed):
    - Dropped VHOST_NET_ENABLED and KVM_HUGEPAGES from /etc/default/qemu-kvm
      The functionality is retained for upgraders, but is deprecated.
      Post 18.04 the implementation for these configurations will be removed.
  * Dropped changes (in Debian now):
    - ppc64[le] support
      - Enable seccomp for ppc64el
      - bump libseccomp-dev dependency, 2.3 is the minimum for ppc64
    - disable missing x32 architecture
    - d/rules: or32 is now named or1k (since 4a09d0bb)
    - d/qemu-system-common.docs: new paths since (ac06724a)
    - d/qemu-system-common.install: qmp-commands.txt removed, but replaced
      by qapi-schema.json which is already packaged (since 4d8bb958)
    - d/p/02_kfreebsd.patch: utimensat is no more optional upstream (Update
      to Debian patch to match qemu 2.10)
    - d/qemu-system-common.docs: adapt new path of live-block-operations.rst
      since 8508eee7
    - d/qemu-system-common.docs: adapt q35 config paths since 9ca019c1
    - make nios2/hppa not installed explicitly until further stablized
    - d/qemu-guest-agent.install: add the new guest agent reference man page
      qemu-ga-ref
    - d/qemu-system-common.install: add the now generated qapi/qmp reference
      along the qapi intro
    - d/not-installed: ignore further generated (since 56e8bdd4) files in
      dh_missing that are already provided in other formats qemu-doc,
      qemu-qmp-ref,qemu-ga-ref
  * Dropped changes (integrated upstream):
    - d/p/detect-ITS-and-skip-usage-on-older-kernel.patch to avoid crashes
      on arm64 when doing suspend/resume and reboots due to older kernels not
      supporting ITS (LP 1731051).
    - Apply linux-user-return-EINVAL-from-prctl-PR_-_SECCOMP.patch from
      James Cowgill to prevent qemu-user from forwarding prctl seccomp
      calls (LP 1726394)
    - update to upstream 2.10.1 point release (LP 1722808)

 -- Christian Ehrhardt <christian.ehrhardt@canonical.com>  Mon, 22 Jan
2018 14:35:18 +0100

** Changed in: qemu (Ubuntu)
       Status: Fix Committed => Fix Released

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Won't Fix
Status in QEMU:
  Fix Released
Status in qemu package in Ubuntu:
  Fix Released

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[LocutusOfBorg]

Hello, this seems to be still an issue
W: Failure while unpacking required packages.  This will be attempted up to five times.
W: See //debootstrap/debootstrap.log for details (possibly the package /var/cache/apt/archives/bash_4.4.18-1ubuntu1_arm64.deb is at fault)


dpkg -l |grep qemu
ii  ipxe-qemu                                                        1.0.0+git-20161027.b991c67+really20150424.a25a16d-1ubuntu2 all          PXE boot firmware - ROM images for qemu
ii  ipxe-qemu-256k-compat-efi-roms                                   1.0.0+git-20150424.a25a16d-0ubuntu2                        all          PXE boot firmware - Compat EFI ROM images for qemu
ii  qemu                                                             1:2.11+dfsg-1ubuntu1                                       amd64        fast processor emulator
ii  qemu-block-extra:amd64                                           1:2.11+dfsg-1ubuntu1                                       amd64        extra block backend modules for qemu-system and qemu-utils
rc  qemu-kvm                                                         1:2.11+dfsg-1ubuntu1                                       amd64        QEMU Full virtualization on x86 hardware
ii  qemu-slof                                                        20170724+dfsg-1ubuntu0.1                                   all          Slimline Open Firmware -- QEMU PowerPC version
ii  qemu-system                                                      1:2.11+dfsg-1ubuntu1                                       amd64        QEMU full system emulation binaries
ii  qemu-system-arm                                                  1:2.11+dfsg-1ubuntu1                                       amd64        QEMU full system emulation binaries (arm)
ii  qemu-system-common                                               1:2.11+dfsg-1ubuntu1                                       amd64        QEMU full system emulation binaries (common files)
ii  qemu-system-mips                                                 1:2.11+dfsg-1ubuntu1                                       amd64        QEMU full system emulation binaries (mips)
ii  qemu-system-misc                                                 1:2.11+dfsg-1ubuntu1                                       amd64        QEMU full system emulation binaries (miscellaneous)
ii  qemu-system-ppc                                                  1:2.11+dfsg-1ubuntu1                                       amd64        QEMU full system emulation binaries (ppc)
ii  qemu-system-s390x                                                1:2.11+dfsg-1ubuntu1                                       amd64        QEMU full system emulation binaries (s390x)
ii  qemu-system-sparc                                                1:2.11+dfsg-1ubuntu1                                       amd64        QEMU full system emulation binaries (sparc)
ii  qemu-system-x86                                                  1:2.11+dfsg-1ubuntu1                                       amd64        QEMU full system emulation binaries (x86)
ii  qemu-user                                                        1:2.11+dfsg-1ubuntu1                                       amd64        QEMU user mode emulation binaries
ii  qemu-user-static                                                 1:2.11+dfsg-1ubuntu1                                       amd64        QEMU user mode emulation binaries (static version)
ii  qemu-utils                                                       1:2.11+dfsg-1ubuntu1                                       amd64        QEMU utilities


to reproduce: pbuilder-dist bionic arm64 create

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Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Won't Fix
Status in QEMU:
  Fix Released
Status in qemu package in Ubuntu:
  Fix Released

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

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[Qemu-devel] [Bug 1350435] Re: tcg.c:1693: tcg fatal error

[LocutusOfBorg]

(wrong bug, sorry!)

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https://bugs.launchpad.net/bugs/1350435

Title:
  tcg.c:1693: tcg fatal error

Status in launchpad-buildd:
  Won't Fix
Status in QEMU:
  Fix Released
Status in qemu package in Ubuntu:
  Fix Released

Bug description:
  this started happening after the launchpad buildd trusty deploy
  https://code.launchpad.net/~costamagnagianfranco/+archive/ubuntu/firefox/+build/6224439

  
  debconf-updatepo
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault (core dumped)
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error
  /build/buildd/qemu-2.0.0+dfsg/tcg/tcg.c:1693: tcg fatal error

  this seems to be the patch needed
  https://patches.linaro.org/32473/

To manage notifications about this bug go to:
https://bugs.launchpad.net/launchpad-buildd/+bug/1350435/+subscriptions