[Bug 1926202] Re: qemu-user can't run some ppc binaries

[Thomas Huth]

The QEMU project is currently moving its bug tracking to another system.
For this we need to know which bugs are still valid and which could be
closed already. Thus we are setting the bug state to "Incomplete" now.

If the bug has already been fixed in the latest upstream version of QEMU,
then please close this ticket as "Fix released".

If it is not fixed yet and you think that this bug report here is still
valid, then you have two options:

1) If you already have an account on gitlab.com, please open a new ticket
for this problem in our new tracker here:

    https://gitlab.com/qemu-project/qemu/-/issues

and then close this ticket here on Launchpad (or let it expire auto-
matically after 60 days). Please mention the URL of this bug ticket on
Launchpad in the new ticket on GitLab.

2) If you don't have an account on gitlab.com and don't intend to get
one, but still would like to keep this ticket opened, then please switch
the state back to "New" or "Confirmed" within the next 60 days (other-
wise it will get closed as "Expired"). We will then eventually migrate
the ticket automatically to the new system (but you won't be the reporter
of the bug in the new system and thus you won't get notified on changes
anymore).

Thank you and sorry for the inconvenience.


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

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https://bugs.launchpad.net/bugs/1926202

Title:
  qemu-user can't run some ppc binaries

Status in QEMU:
  Incomplete

Bug description:
  qemu-user v6.0.0-rc5, built in static mode, will crash for certain ppc
  binaries.  It seems to have something to do with glibc for some Centos
  versions.  The problem is easiest to see with statically-linked
  binaries.

  The attached Dockerfile shows how to produce a ppc binary that will
  crash qemu-user.  Here is how to reproduce the problem:

  $ uname -m
  x86_64

  $ docker run --rm --privileged multiarch/qemu-user-static --reset -p
  yes

  $ docker build -t qemu-bug:centos -f Dockerfile.centos .

  $ docker run --rm -it -v$PWD:$PWD -w$PWD qemu-bug:centos cp
  /helloworld-centos.static.ppc .

  $ qemu-ppc-static --version
  qemu-ppc version 5.2.95 (v6.0.0-rc5)
  Copyright (c) 2003-2021 Fabrice Bellard and the QEMU Project developers

  $ qemu-ppc-static ./helloworld-centos.static.ppc
  emu: uncaught target signal 4 (Illegal instruction) - core dumped
  [1]    16678 illegal hardware instruction (core dumped)  qemu-ppc-static 
./helloworld-centos.static.ppc

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