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If large results values are returned by the subprocesses, we can hit a deadlock where the subprocess is trying to write data back to the parent, the pipe is full and the parent is waiting for the child to exit. Avoid this by calling the update() method which would trigger reading a result from the child, avoiding the deadlock. The issue is described in https://bugs.python.org/issue8426 (From OE-Core rev: 0035e8066ecbbff94d6a1994a9f72b1368d660d2) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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.