Il 15/10/2013 14:18, Xiexiangyou ha scritto: > (gdb) bt > #0 0x00007f9ba661a423 in poll () from /lib64/libc.so.6 > #1 0x000000000059460f in os_host_main_loop_wait (timeout=4294967295) at main-loop.c:226 > #2 0x00000000005946a4 in main_loop_wait (nonblocking=0) at main-loop.c:464 > #3 0x0000000000619309 in main_loop () at vl.c:2182 > #4 0x000000000061fb5e in main (argc=54, argv=0x7fff879830c8, envp=0x7fff87983280) at vl.c:4611 This backtrace looks okay. poll is not holding the "iothread lock" and thus the VCPU thread can run QEMU code. It also looks like the VCPU thread is doing nothing special besides running KVM_RUN. Did you take the backtrace during one of these "hangups"? Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
