Re: [Qemu-devel] qemu 1.1.0 slow as hell booting ?

[Luigi Rizzo]

On Fri, Jul 20, 2012 at 09:04:51PM +1000, ronnie sahlberg wrote:
> Is it only very slow during boot   but then becomes normal speed when
> the system is fully booted and kernel and userspace are all up and
> running normally?

i did not have enough patience to go past the 2 minutes needed
to load text+data for the kernel.
See my followup, it was due to configure using --enable-tcg-interpreter
when using CLANG.

cheers
luigi


> regards
> ronnie sahlberg
> 
> 
> On Fri, Jul 20, 2012 at 12:43 AM, Luigi Rizzo <address@hidden> wrote:
> > hi,
> > while playing with various qemu versions i noticed that
> > qemu-devel now in FreeBSD ports (1.1.0) is slow as hell when
> > booting FreeBSD (take for instance the netmap image at
> >
> > http://info.iet.unipi.it/~luigi/netmap/20120608-netmap-picobsd-head-amd64.bin
> >
> > while 0.11.x and 1.1.1 and 1.0.1 seem to work well.
> >
> > I should mention that i had the same exact problem a few months
> > ago with a qemu version compiled on my Mac using macports,
> > which was fixed by manually building one myself from the sources
> > (the working Mac version reports version 1.0.91; unfortunately
> > i do not remember which version it was, but judging from the
> > macports history it could have been either 0.14.1 or 1.0)
> > so i do not think this is a specific problem with FreeBSD.
> >
> > Are you able to reproduce this problem ?  Any idea on what could it be ?
> >
> > cheers
> > luigi
> >