GNU bug report logs - #32593
bad error message when kernel module does not exist

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Ricardo Wurmus <rekado <at> elephly.net>
To: bug-guix <at> gnu.org
Subject: bad error message when kernel module does not exist
Date: Thu, 30 Aug 2018 17:24:10 +0200

When a system is built that requests a kernel module that does not
exists, this is the error message a user will see:

--8<---------------cut here---------------start------------->8---
Backtrace:
           8 (primitive-load "/gnu/store/vz7ci9rh483f2zps2cl174rd91b?")
In ice-9/eval.scm:
    619:8  7 (_ #f)
   626:19  6 (_ #<directory (guile-user) 7cf140>)
    159:9  5 (_ _)
In gnu/build/linux-modules.scm:
   184:47  4 (recursive-module-dependencies _ #:lookup-module _)
    98:14  3 (module-dependencies _)
    85:18  2 (modinfo-section-contents _)
In ice-9/ports.scm:
   439:11  1 (call-with-input-file #f #<procedure get-bytevector-al?> ?)
In unknown file:
           0 (open-file #f "r" #:encoding #f #:guess-encoding #f)

ERROR: In procedure open-file:
Wrong type (expecting string): #f
builder for `/gnu/store/0ahsvp7wx52zzh1rywbdbq78llcwb7id-linux-modules.drv' failed with exit code 1
--8<---------------cut here---------------end--------------->8---

-- 
Ricardo

Message #10 received at 32593-done <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Ricardo Wurmus <rekado <at> elephly.net>
Cc: 32593-done <at> debbugs.gnu.org
Subject: Re: bug#32593: bad error message when kernel module does not exist
Date: Sun, 02 Sep 2018 15:48:12 +0200

Hello,

Ricardo Wurmus <rekado <at> elephly.net> skribis:

> When a system is built that requests a kernel module that does not
> exists, this is the error message a user will see:
>
> Backtrace:
>            8 (primitive-load "/gnu/store/vz7ci9rh483f2zps2cl174rd91b?")
> In ice-9/eval.scm:
>     619:8  7 (_ #f)
>    626:19  6 (_ #<directory (guile-user) 7cf140>)
>     159:9  5 (_ _)
> In gnu/build/linux-modules.scm:
>    184:47  4 (recursive-module-dependencies _ #:lookup-module _)
>     98:14  3 (module-dependencies _)
>     85:18  2 (modinfo-section-contents _)
> In ice-9/ports.scm:
>    439:11  1 (call-with-input-file #f #<procedure get-bytevector-al?> ?)
> In unknown file:
>            0 (open-file #f "r" #:encoding #f #:guess-encoding #f)
>
> ERROR: In procedure open-file:
> Wrong type (expecting string): #f
> builder for `/gnu/store/0ahsvp7wx52zzh1rywbdbq78llcwb7id-linux-modules.drv' failed with exit code 1

This project is incredible: the bug was fixed even before you had
reported it, in commit 4db7a9dc663c5b26e45ec35538bf68ff87acdf7b.  :-)

You still get a backtrace, but at least the error message is somewhat
clearer.  (Should we do away with the backtrace?)

Ludo’.

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