GNU bug report logs - #46555
LVM swap continuously fails guix system: error: service 'swap-/dev/mapper/guix-swap' requires 'device-mapping-guix-swap', which is not provided by any service

Previous Next

Full log

View this message in rfc822 format

From: Shyam Saran <syamsaran12345 <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 46555 <at> debbugs.gnu.org
Subject: bug#46555: LVM swap continuously fails guix system: error: service 'swap-/dev/mapper/guix-swap' requires 'device-mapping-guix-swap', which is not provided by any service
Date: Tue, 2 Mar 2021 16:12:19 +0530

[Message part 1 (text/plain, inline)]

Sorry

I had forgot to remove

dependency from /boot/efi


So it was causing this error

attached the file, reconfiguring the whole system
hoping it must work



Thanks very much for all the help :)




On Tue, 2 Mar 2021 at 16:04, Shyam Saran <syamsaran12345 <at> gmail.com> wrote:

> As mentioned I had removed all dependency for root "/" fs
>
> but result is same
>
> $ guix  system   build ~/tmp/config.scm
> guix system: warning: the following groups appear more than once: users
> guix system: error: service 'swap-/dev/mapper/guix-swap' requires
> 'device-mapping-guix-swap', which is not provided by any service
>
> Then again removed all dependencies from all fs /var /gnu /tmp etc
> But the result is the same.
>
> $ guix  system   build ~/tmp/config.scm
> guix system: warning: the following groups appear more than once: users
> guix system: error: service 'swap-/dev/mapper/guix-swap' requires
> 'device-mapping-guix-swap', which is not provided by any service
>
>
> Thanks
>
>
> On Mon, 1 Mar 2021 at 14:56, Ludovic Courtès <ludo <at> gnu.org> wrote:
>
>> Hi Shyam,
>>
>> Shyam Saran <syamsaran12345 <at> gmail.com> skribis:
>>
>> > Result of application of system build command
>> >
>> > $ guix  system   build ~/tmp/config.scm
>> >
>> >                2s
>> > guix system: warning: the following groups appear more than once: users
>> > guix system: error: service 'swap-/dev/mapper/guix-swap' requires
>> > 'device-mapping-guix-swap', which is not provided by any service
>>
>> The problem here is that you had:
>>
>>   (file-system
>>     (mount-point "/")
>>     ;; …
>>     (needed-for-boot? #t)
>>     (dependencies %localmachine-mapped-devices))
>>
>> All the needed-for-boot file systems had all the mapped devices in
>> ‘dependencies’.  Thus, no ‘device-mapping-guix-swap’ Shepherd service
>> was created, because that device mapping was needed at boot.
>>
>> The solution is to remove the ‘dependencies’ field for all your file
>> systems.  Since they have /dev/mapper/… as their ’device’, you don’t
>> need ‘dependencies’: it’s automatically inferred.  If, after this
>> change, you run:
>>
>>   guix system shepherd-graph /tmp/config.scm| xdot -
>>
>> you can see that the ‘swap-/dev/mapper/guix-swap’ service depends on
>> ‘device-mapping-guix-swap’.
>>
>> HTH!
>>
>> Ludo’.
>>
>

[Message part 2 (text/html, inline)]

[config.scm (text/x-scheme, attachment)]

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.