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Bug#418590: main-menu: Segfault during automatic install on AMD64

On Tuesday 22 May 2007 20:37, you wrote:
> On 5/19/07, Frans Pop <elendil@planet.nl> wrote:
> > To try to trace this I would suggest the following:
> > - boot with 'install url=http://<full-url-to-preseed-file>'
> With install instead of auto, it appears to ignore the preseed file,
> so I'll use auto.

With install you need to provide the _full_ url to the preseed file 
because URL expansion does not work. It will be loaded after you 
configure network.

> > - at the first dialog, switch to VT2
> > - edit /var/lib/dpkg/info/network-preseed.postinst and add a 'set -x'
> > - continue the installation untill the problem occurs
> > - find some way to get the syslog off the system
> >
> > The last may be tricky. You could try booting with BOOT_DEBUG=3 and
> Why is that needed?

If you can access the shell without problems after the failure, this is 
possibly not needed. But you will still need to add the "set -x" somehow 
_before_ the preconfiguration file gets loaded.

> And I get a debug shell (sh: can't access tty; job control turned
> off). I've no idea how to continue after that.

The boot debug shell allows to make changes _before_ the installer is 
actually booted, so you can for example enable debugging.
You just 'exit' the shell (2 times) to let the installer continue to boot.

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