Hello, I am working on compiling QEMU 2.10.2 to a static library.
Everything works fine in compiling QEMU to an execution file(qemu-system-aarch64), but after I link all .o and .a file to create a QEMU library and write a c file to call qemu_main() in qemu/util/vl.c(I have changed the name "main()" into "qemu_main()"), then it shows this error message. util/qemu-thread-posix.c: 64: qemu_mutex_lock: Assertion 'mutex->initialized' failed. Abort (core dumped) The information of gdb's backtrace is shown as bellow (gdb) bt *#o Ox00007ffff05b31f7 in raise () at /usr/lib64/libc.so.6 #1 0x00007ffff05b48e8 in abort () at /usr/lib64/libc.s0.6 #2 0x00007ffff05ac266 in assert fail base () at /usr/lib64/libc.so.6 #3 0x00007ffff05ac312 in 0 at /usr/lib64/libc.so.6 #4 0x00000000005c47e3 in qemu_mutex_lock (mutex=mutex@entry=0xd84be0 <rcu_registry lock>) at util/qemu -thread-posix.c:64 #5 0x00000000005d5b46 in rcu_register_thread () at util/rcu.c:290, #6 0x00007ffff5a790de in rcu_init_complete () at util/rcu.c:318, #7 Ox00007ffff7dea503 in _dl_init_internal () at /lib64/ld.linux-x86-64.50.2 #8 0x00007ffff7ddclaa in _dl_start_user () at /lib64/ld.linux - x86-64.so.2, #9 0x0000000000000014 in ()* I found out that it aborted before conducted to the main function in QEMU Also, I use si and n in gdb to see what happened in this QEMU library it showed that the address and content of *rcu_registry_lock* would change when it executed qemu_thread_create() in util/rcu.c:315 $ qemu_thread_create(&thread, "cal_rcu", call_rcu_thread, NULL, QEMU_THREAD_DETACHED) This change caused the failure of assert(mutex->initialized) in qemu_mutex_lock (which called by rcu_register_thread() in call_rcu_thread()) The method that compiling the execution file into a library success on QEMU 2.2.1, but failed on QEMU 2.10.2 Will this error message related to the rcu? Or is there anything suggestion to solve this error? I will be grateful for any help. Eva **
