Marcelo Tosatti wrote: >> Actually it does reproduce. If you reboot twice, the second reboot will >> hang during reset (with cs:ip = f000:fff0). Plain Windows XP. >> > > OK, easily reproducible by adding a sleep at the start of > qemu_kvm_system_reset. > > The problem is that the vcpu HLT's between the KBD ioport write and the > actual system reset by the IO thread. By then time there will be no > event that takes it out of STATE_HALTED. > > The following fixes it, however older userspace will remain borked. > Alternative is to special case f000:fff0 in-kernel. What is preferred? > >
Special-case the kvm_set_sregs ioctl with cs:eip f000:fff0 (and cr0.pe=0 for good measure). -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
