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Re: [Qemu-devel] Re: Re: Firefox crashes inside qemu
From: |
Lennert Buytenhek |
Subject: |
Re: [Qemu-devel] Re: Re: Firefox crashes inside qemu |
Date: |
Mon, 3 Jan 2005 15:28:29 +0100 |
User-agent: |
Mutt/1.4.1i |
On Mon, Jan 03, 2005 at 12:16:47PM +0500, Alexander E. Patrakov wrote:
> >>> >> Firefox will crash. I suppose that there is some bug in the CPU
> >>> >> emulation.
> >>> >>
> >>> >> How can I help debugging this problem further?
> >>> >
> >>> > Can you try that disk image on a 'real' machine and see if it crashes
> >>> > then also?
> >>>
> >>> I instaled win2k from the same CD to a real computer. Firefox downloaded
> >>> from the same URL doesn't crash under the same condition.
> >>
> >> There are many different factors in both scenarios besides that one of
> >> them uses qemu and the other one does not: disk size, video card, network
> >> card, etc.
> >>
> >>> But how do I test a qemu image on a real machine?
> >>
> >> I would just dd it to an old IDE disk, even though that might give issues
> >> with differing head/sector counts.
> >>
> >> dd if=disk.img of=/dev/hdx bs=1024k
> >>
> >> (Where /dev/hdx is the old IDE disk.)
> >
> > I see. The problem is that I don't have any old IDE disk at hand. But I
> > will dd that into VMware tomorrow in order to see if the installation is
> > really bad. As for the geometry, the doc at
> > http://linux-ntfs.sourceforge.net/ntfs/files/boot.html is known sufficient
> > for fixing such issues.
>
> After changing the IDE driver to "generic dual-channel" (in order to avoid
> "inaccessible boot device" blue screen) and dd'ing the disk image into
> VMware (using Knoppix and ssh to the host), Firefox doesn't crash. So the
> problem is indeed in qemu.
Does VMware use the same virtual ethernet and video card types as qemu
does? It might still be that qemu triggers a bug in Windows' handling
of some kind of peripheral that doesn't show up when using VMware.
Do you have any Windows debuggers? Can you hook Firefox up to a debugger
and see where exactly it crashes?
> I hope this information is useful.
Even though I probably won't be able to debug this myself, this is
definitely a useful datapoint. Thanks!
cheers,
Lennert
- [Qemu-devel] Firefox crashes inside qemu, Alexander E. Patrakov, 2005/01/02
- Re: [Qemu-devel] Firefox crashes inside qemu, Lennert Buytenhek, 2005/01/02
- [Qemu-devel] Re: Firefox crashes inside qemu, Alexander E. Patrakov, 2005/01/02
- Re: [Qemu-devel] Re: Firefox crashes inside qemu, Lennert Buytenhek, 2005/01/02
- [Qemu-devel] Re: Re: Firefox crashes inside qemu, Alexander E. Patrakov, 2005/01/02
- [Qemu-devel] Re: Re: Firefox crashes inside qemu, Alexander E. Patrakov, 2005/01/03
- Re: [Qemu-devel] Re: Re: Firefox crashes inside qemu,
Lennert Buytenhek <=
- [Qemu-devel] Re: Re: Re: Firefox crashes inside qemu, Alexander E. Patrakov, 2005/01/03
- [Qemu-devel] Re: Firefox crashes inside qemu, Alexander E. Patrakov, 2005/01/03