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The 'accept' function on the socket of unfsd daemon is always in below error state: accept(4, 0x7ffd5e6dddc0, [128]) = -1 EINVAL (Invalid argument) accept(6, 0x7ffd5e6dddc0, [128]) = -1 EINVAL (Invalid argument) And 'strace -c -p <the pid of unfsd>' shows: % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- 70.87 0.005392 0 513886 513886 accept 29.13 0.002216 0 256943 poll This error state is in the 'for' loop of the daemon, so it consumes 100% CPU. The reason is that 'listen' is not called for the TCP socket before 'accept'. Actually the called 'svc_tli_create' from libtirpc will not call 'listen' on a bound socket. (From OE-Core rev: 1f6784d2e839f81749d21ad1b615a9f7bb0e64d6) Signed-off-by: Haiqing Bai <Haiqing.Bai@windriver.com> 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.