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Changqing Li 09af4dafc7 runqemu: add lockfile for port used when slirp enabled
There is race condition when multi qemu starting with slirp,
add lockfile for each port to avoid problem like:

runqemu - ERROR - Failed to run qemu: qemu-system-x86_64: Could not set up host forwarding rule 'tcp::2323-:23'

[YOCTO #13364]

(From OE-Core rev: ceb3555a40ba06e58914465376aaf41392c12a7c)

Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2019-07-26 08:41:38 +01:00
2019-07-10 09:56:22 +01:00

QEMU Emulation Targets
======================

To simplify development, the build system supports building images to
work with the QEMU emulator in system emulation mode. Several architectures
are currently supported in 32 and 64 bit variants:

  * ARM (qemuarm + qemuarm64)
  * x86 (qemux86 + qemux86-64)
  * PowerPC (qemuppc only)
  * MIPS (qemumips + qemumips64)

Use of the QEMU images is covered in the Yocto Project Reference Manual.
The appropriate MACHINE variable value corresponding to the target is given
in brackets.
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