Re: [PATCH] Enhance USB install

[ng0 <ng0@we.make.ritual.n0.is>]

Ludovic Courtès <ludo@gnu.org> writes:

> Hi Vincent,
>
> Vincent Legoll <vincent.legoll@gmail.com> skribis:
>
>> From: Vincent Legoll <vincent.legoll@idgrilles.fr>
>>
>> * doc/guix.texi (USB install): add download & verify subsection,
>> add a section to explain how to boot a VM for guixsd installation
>
> I pushed this as commit c8b543741f422ecf41e7635c6a1c40b3bd55947a, with
> several modifications.
>
...
>
>> +@item
>> +Ensure your running kernel has the required CONFIG_BRIDGE option for the
>> +network to work properly in the virtual machine:
>> +
>> +@example
>> +zgrep CONFIG_BRIDGE= /proc/config.gz
>> +CONFIG_BRIDGE=y
>> +@end example
>> +
>> +If it is compiled as a module & loaded, it will also work:
>> +
>> +@example
>> +zgrep CONFIG_BRIDGE= /proc/config.gz
>> +CONFIG_BRIDGE=m
>> +lsmod | grep ^bridge
>> +bridge 117542 0
>> +@end example
>
> I removed this bit because in my experience it’s not necessary.  Or am I
> overlooking something?

Do you mean the bit above or below your statement? The above might be
necessary to check for custom kernels on for example Gentoo based
systems as the host.
A check if what's about to be run is supported is good.
Or do I fail to see why you ommited this? Can you explain why it is not
necessary in your experience?

>
>> +@item
>> +Boot a virtual machine with the USB installation image
>> +
>> +@example
>> +qemu-system-x86_64 -m 1024 -smp 1 -net default -net nic,model=virtio -boot menu=on \
>> +  -drive file=guixsd-x86_64-raw.img \
>> +  -drive file=guixsd-usb-install-@value{VERSION}.@var{system}
>> +@end example
...
> Thank you!
>
> Ludo’.
>

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