[Qemu-devel] [Bug 1813010] [NEW] Parallel builds fail (make -j >=2)

[Shahab Vahedi]

Public bug reported:

specs:
QEMU commit: 9f33051abce238ab43a23125e237aac8b0931b88
# of Cores: 8
Host kernel: Linux 4.19.16-1-lts
Host type: x86_64 GNU/Linux
Host distro: Archlinux
Guest: we never get that far


steps:
# fresh copy of the latest commit
> git clone https://git.qemu.org/git/qemu.git

# separate build dir
> mkdir build
> cd build

# sample configuration for riscv (this happens for other targets as well)
> ../qemu/configure --target-list=riscv64-softmmu --enable-debug 
> --extra-cflags='-O0 -g3 -save-temps' --prefix=/install/riscv-qemu

# this will fail (see attached log file)
> make -j 2

** Affects: qemu
     Importance: Undecided
         Status: New

** Attachment added: "build_fail.log"
   
https://bugs.launchpad.net/bugs/1813010/+attachment/5231736/+files/build_fail.log

** Description changed:

  specs:
+ QEMU commit: 9f33051abce238ab43a23125e237aac8b0931b88
+ # of Cores: 8
  Host kernel: Linux 4.19.16-1-lts
  Host type: x86_64 GNU/Linux
  Host distro: Archlinux
  Guest: we never get that far
- QEMU commit: 9f33051abce238ab43a23125e237aac8b0931b88
  
  
  steps:
  # fresh copy of the latest commit
  > git clone https://git.qemu.org/git/qemu.git
  
  # separate build dir
  > mkdir build
  > cd build
  
  # sample configuration for riscv (this happens for other targets as well)
  > ../qemu/configure --target-list=riscv64-softmmu --enable-debug 
--extra-cflags='-O0 -g3 -save-temps' --prefix=/install/riscv-qemu
  
  # this will fail (see attached log file)
  > make -j 2

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https://bugs.launchpad.net/bugs/1813010

Title:
  Parallel builds fail (make -j >=2)

Status in QEMU:
  New

Bug description:
  specs:
  QEMU commit: 9f33051abce238ab43a23125e237aac8b0931b88
  # of Cores: 8
  Host kernel: Linux 4.19.16-1-lts
  Host type: x86_64 GNU/Linux
  Host distro: Archlinux
  Guest: we never get that far

  
  steps:
  # fresh copy of the latest commit
  > git clone https://git.qemu.org/git/qemu.git

  # separate build dir
  > mkdir build
  > cd build

  # sample configuration for riscv (this happens for other targets as well)
  > ../qemu/configure --target-list=riscv64-softmmu --enable-debug 
--extra-cflags='-O0 -g3 -save-temps' --prefix=/install/riscv-qemu

  # this will fail (see attached log file)
  > make -j 2

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