Dong, Eddie wrote: > Avi Kivity wrote: > >> Dong, Eddie wrote: >> >>> [EMAIL PROTECTED] wrote: >>> >>> >>>> I try to implement the guest reboot support, but I found there is an >>>> stranger #PF VM Exit in guest real mode cs:ip=f000:10000 which is >>>> problemtic and current shadow won;t handle. I then try to >>>> use -no-kvm-irqchip and get same error. >>>> >>>> Can somebody give me more information if you ever successfully >>>> run it before. >>>> thx,eddie >>>> >>>> >>>> >>> correction: It is GP fault, not #PF fault. >>> >>> >>> >> Looks like the bios code was overwritten. If the reboot vector at >> f000:fff0 was zeroed out, kvm would just execute a bunch of two-byte >> instructions eventually leading to rip = 10000 which is illegal for >> vm8086 mode. >> >> >> > BTW, I downloaded KVM-36 with REHL5U 32e guest, reboot doesn't work > either. > But if I use no-kvm option, it can. > So I would like to know which release is the latest known working tree > for "reboot". > >
Reboot behaves differently for different guests... we have a regression for Windows XP ACPI HAL (I'm quite sure kvm-36 used to work), but maybe not for RHEL 5 i386. -- Any sufficiently difficult bug is indistinguishable from a feature. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
