Re: Too many levels of symbolic links

[Roman Scherer <roman.scherer@burningswell.com>]

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Good to know about that unspoken rule. :) Should we do something about
that? I thought about adding a note to the manual. Or even not allowing
the user to re-configure in such a case?

WDYT?

Efraim Flashner <efraim@flashner.co.il> writes:

> [[PGP Signed Part:Undecided]]
> On Tue, Mar 14, 2023 at 08:16:52PM +0100, Roman Scherer wrote:
>>
>> Felix, I'm back on track! I found what triggered this horrible problem :)
>>
>> At some point I added the qemu-binfmt-service-type to my system. I
>> copied a snipped from the manual and finally "adjusted" it to this:
>>
>> ```
>> (define %qemu-service
>>   (service qemu-binfmt-service-type
>>            (qemu-binfmt-configuration
>>             (platforms (lookup-qemu-platforms "aarch64" "x86_64")))))
>> ```
>>
>> I don't know much about quem and I thought, well let's choose the
>> "aarch64" and "x86_64" qemu platforms on which I run Guix, and maybe
>> re-use this service on multiple machines.
>>
>> My Guix system runs on the aarch64 architecture. It turns out that
>> having "aarch64" in lookup-qemu-platforms causes the "Too many levels of
>> symbolic links" error. As soon as I remove it, everything is good again.
>>
>> Now, maybe it does not even makes sense to add "aarch64" to that list,
>> but I think it should not fail that catastrophical. I still don't know
>> which symlink was causing this issue, though.
>>
>> That's where I am. Just happy that I survived my first serious Guix
>> crash. :)
>>
>> Thanks for your help so far,
>>
>> Roman
>
> I'm surprised that it worked for you. One of the unspoken rules of qemu
> binfmt emulation is you don't emulate your own hardware. I'm also
> surprised because in the past I tried to enable binfmt emulation on my
> pinebook pro and the qemu-binfmt-service-type was the difference between
> booting and not booting.

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