Hi! >> Actually, the above line can be preserved, if we move the previous line >> down by 1: Was it a simple race? >> --- kvm_main-17.c 2007-03-24 02:09:00.000000000 +0100 >> +++ kvm_main.c 2007-03-24 04:10:59.000000000 +0100 >> [..] >> - vcpu->mmio_read_completed = 1; >> emulate_instruction(vcpu, kvm_run, vcpu->mmio_fault_cr2, 0); >> + vcpu->mmio_read_completed = 1; > As far as I understand, vcpu->mmio_read_completed indicates that read > data is present in vcpu->mmio_data. If the flag isn't set, > emulator_read_emulated() - which is called by emulate_instruction() - > will try to read the data *again*. While that's supposed to be okay for > ordinary memory, it might make memory mapped i/o devices fail. > [..] > Or did I get something wrong? I was probably a bit too fast. The only proven fact is that the system no longer stops booting when the call to emulate_instruction() is removed. Before speculating further, I will study the situation in more detail in order to better understand where and why it hangs.
-- Carsten Emde <[EMAIL PROTECTED]> ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
