bug#43013: closed (System reconfigure: expection reached when executing `start` on "file-system-/sys/kernel/debug" // and an unrelated "nouveau"-bug?)

[GNU bug Tracking System]

Your message dated Fri, 28 Aug 2020 14:20:32 +0200
with message-id <87h7sn0xnz.fsf@gnu.org>
and subject line Re: bug#43013: System reconfigure: expection reached when 
executing `start` on "file-system-/sys/kernel/debug" // and an unrelated 
"nouveau"-bug?
has caused the debbugs.gnu.org bug report #43013,
regarding System reconfigure: expection reached when executing `start` on 
"file-system-/sys/kernel/debug" // and an unrelated "nouveau"-bug?
to be marked as done.

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43013: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=43013
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> --- Begin Message ---
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>
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> Subject: 
>
> System reconfigure: expection reached when executing `start` on "file-system-/sys/kernel/debug" // and an unrelated "nouveau"-bug?
>
>
>
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> Date: 
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> Mon, 24 Aug 2020 09:34:33 +0200
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> User-agent: 
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> Posteo Webmail
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> Hello everyone,
>
> I'm recently running into problems updating my system. I had not 
> reconfigured for a while (1~2 months) and now, when I reconfigure, I get 
> the error message below.
> At first I thought it might be related to a specific guix commit, but I 
> have now tried four times over the course of 2 weeks, and I always get 
> the same error.
>
> Strangely enough, the only reason why I noticed something is not right 
> is that nouveau's displaying behaviour would be weird after updating.
> That is, it seems to either have changed my desktop resolution or 
> applied a form of magnification on all text displayed (sddm, terminal, 
> ...)
> I have no actual clue if these two things are related to each other AT 
> ALL. I was just confused, because if they were totally unrelated,
> I would struggle to understand why these two things happen concurrently 
> ;-)
>
>
> While the error message is in german, I believe to have translated the 
> more important chunks in the Subject field.
>
> ##### error message #####
> guix system: Bootloader erfolgreich auf „/dev/sdb“ installiert
> guix system: error: Ausnahme aufgetreten bei der Ausführung von „start“ 
> auf Dienst „file-system-/sys/kernel/debug“:
> Throw to key `match-error' with args `("match" "no matching pattern" 
> ("none" "/sys/kernel/debug" "debugfs" () #f #f #f))'.
> #######################
>
> As always, any help is appreciated. One good thing is that I finally 
> learn the virtues of roll-back and switch-generation :)
>
> Have a good day,
> Olivier
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#43013: System reconfigure: expection reached when executing `start` on "file-system-/sys/kernel/debug" // and an unrelated "nouveau"-bug?
>
>
>
>
> Date: 
>
> Fri, 28 Aug 2020 14:20:32 +0200
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux)
>
>
>
>
> Hello,
>
> > I have this same issue on my Thinkpad, no Nouveau. I also had issues on
> > my AMDGPU setup. If it's related to graphics, it doesn't seem driver
> > specific.
> >
> > It seems that reconfigure only fails during the build phase, not when
> > it's actually activating the new system, because running reconfigure
> > again causes no errors.
>
> Yes this is harmless error that goes away by reconfiguring again. This
> has been discussed here: https://issues.guix.gnu.org/42826.
>
> Thanks,
>
> Mathieu
>
>
> --- End Message ---