Date: Sat, 28 Feb 2009 20:16:50 +0100 From: Gary Jennejohn <gary.jennejohn@freenet.de> To: Juergen Lock <nox@jelal.kn-bremen.de> Cc: freebsd-emulation@FreeBSD.org, freebsd-current@FreeBSD.org, qemu-devel@nongnu.org Subject: Re: testing qemu svn r6636 on FreeBSD; future of qemu on FreeBSD... Message-ID: <20090228201650.064c0ee4@ernst.jennejohn.org> In-Reply-To: <20090228171520.GA56888@saturn.kn-bremen.de> References: <20090225201550.3d3032b5@ernst.jennejohn.org> <20090228171520.GA56888@saturn.kn-bremen.de>
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On Sat, 28 Feb 2009 18:15:20 +0100 Juergen Lock <nox@jelal.kn-bremen.de> wrote: > On Wed, Feb 25, 2009 at 08:15:50PM +0100, Gary Jennejohn wrote: > > On Mon, 23 Feb 2009 22:19:33 +0100 > > Juergen Lock <nox@jelal.kn-bremen.de> wrote: > > > > > You could try a few things: > > > a) the same with kqemu (userland), in case its a tcg bug (or indeed a > > > timeout; remember to rebuild qemu in case you built it without the > > > kqemu knob enabled or otherwise kqemu won't get used), and also > > > b) another time with -kernel-kqemu in case its a tcg bug affecting > > > guest kernel code (altho of course in both cases kqemu can cause its > > > own kind of failures, even more so with amd64 guests...) > > > > > > > Neither of these work. The only way I can get past loading the kernel > > is with -no-kqemu. > > > > I still see the segmentation fault in Yast.call. Now I know that it's > > in line 486, if that's of any interest. > > > > Sorry, I'm not going to invest any more time in this. > > Thanx. Can someone else verify that kqemu still works on FreeBSD-current? > I went back to openSUSE with the standard qemu-devel. I found that I could (usually) boot w/o problems if I put -no-acpi on the CL. Right now I have openSUSE runngin pretty well. It's nearly as fast as on my old (genuine) IBM X31 laptop :) > It is possible that you got hit by the kqemu tsc vs smp problem, i.e. > passing `notsc' to the guest kernel or forcing qemu onto one cpu > (cpuset -l 0 qemu ...) may have helped there, sorry I should have thought > of that earlier... > I just tried these suggestions (with the standard qemu-devel) and they don't seem to do any harm :-P > Also, did I get that right that this opensuse 10.3 install worked with > the original qemu-devel port (without kqemu)? So we do seem to have a > regression here... (thats a 20080620 qemu svn snapshot, for the folks > on the qemu list.) > See above. Now I'm thinking about giving the patched qemu-devel another try, since I've found some workarounds for booting. I'll see whether I can at least boot into the installed openSUSE using it. --- Gary Jennejohn
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