On Wed, Oct 31, 2012 at 12:56:36AM +0100, Aurelien Jarno wrote: > On Tue, Oct 30, 2012 at 11:24:34PM +0100, Stefan Weil wrote: > > Am 30.10.2012 09:15, schrieb Paolo Bonzini: > > >Il 29/10/2012 19:29, Aurelien Jarno ha scritto: > > >>On Mon, Oct 29, 2012 at 06:53:14PM +0100, Paolo Bonzini wrote: > > >>>>Known-good commit: 8473f377393219390ea6f2d8d450a2b054bb823e > > >>>>Known-bad commit: d262cb02861dd33375c08fc798930653b14769e9 > > >>>> > > >>>>i386-softmmu seems to work. I may try to bisect it tomorrow, but I'd be > > >>>>glad if somebody else beats me. It can be reproduced with Wine and > > >>>>"x86_64-softmmu/qemu-system-x86_64.exe -L ../pc-bios"; it hangs at iPXE. > > >>Oops, sorry about that. Is it win32 or win64? I'll try to fix it asap, > > >>but right now I don't have a good network connection enough to either > > >>setup a mingw build environment or to connect to a remote machine with > > >>such an environment. > > > > > >It's win32, and the first bad commit is 9c43b68 (tcg: rework liveness > > >analysis, 2012-10-09). But it looks like 64-on-32 emulation is more > > >generally broken. I now tried x86_64-linux-user compiled for 32-bit, > > >and it segfaults on startup. Even the previous commit cannot run > > >qemu-x86_64 /bin/ls correctly: > > > > > > > I just tested with latest qemu-system-x86_64 on 32 bit Linux. > > > > It also hangs during boot (BIOS), so it looks like this > > is not a MinGW only problem. > > > > Your test with x86_64-linux-user indicates that, too. > > > > I also get the problem with TCI. Therefore I expect that any > > 32 bit TCG target will show it. > > > > It ended up to be a merge issue. The newly added special cases > for half-dead operations also need to be changed with the liveness > analysis rework. > > The attached patch fixes the issue on a 32-bit linux host. I haven't > tried win32 yet, maybe someone will beat me. >
I have just been able to try, and I confirm it fixes the problem on win32. -- Aurelien Jarno GPG: 1024D/F1BCDB73 aurel...@aurel32.net http://www.aurel32.net
