bug#33537: guix system error: In procedure swapon: "/dev/sda2": Invalid argument

bug#33537: guix system error: In procedure swapon: "/dev/sda2": Invalid argument

[znavko]

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Guix is not possible to start swap device/dev/sda2. I noticed this:

# guix system reconfigure /etc/config.scm
...
guix system: error: exception caught while executing 'start' on service 'swap-/dev/sda2':
In procedure swapon: "/dev/sda2": Invalid argument...

# cat /etc/config.scm
...
(operating-system (host-name "antelope") (timezone "Europe/Moscow") (locale "en_US.utf8")
  (bootloader (bootloader-configuration
                (bootloader grub-bootloader)
                (target "/dev/sda")))
  (file-systems (cons (file-system
                        (device "/dev/sda1") (mount-point "/") (type "ext4"))
                      %base-file-systems))
  (swap-devices '("/dev/sda2"))

  (users (cons* (user-account (name "bob") (group "users")......

I've read manual and I do not know what is wrong:
https://git.savannah.gnu.org/cgit/guix.git/tree/doc/guix.texi?id=1c6c0ad067b558fcbebd87e8cb51d342d808163e#n6878 <https://git.savannah.gnu.org/cgit/guix.git/tree/doc/guix.texi?id=1c6c0ad067b558fcbebd87e8cb51d342d808163e#n6878>


# free -m
              total        used        free      shared  buff/cache   available
Mem:           1880        1187          44         181         649         701
Swap:             0           0           0


Swap really did not worked ever in my Guix installation. Let me know what ought to be done?

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bug#33537: guix system error: In procedure swapon: "/dev/sda2": Invalid argument

[znavko]

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# fdisk -l
...
Device     Boot     Start       End   Sectors   Size Id Type
/dev/sda1            2048 230000000 229997953 109.7G 83 Linux
/dev/sda2       230000640 234441647   4441008   2.1G 82 Linux swap / Solaris

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bug#33537: Acknowledgement (guix system error: In procedure swapon: "/dev/sda2": Invalid argument)

[znavko]

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Nov 28, 2018, 10:32 AM by help-debbugs@gnu.org:

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bug#33537: Acknowledgement (guix system error: In procedure swapon: "/dev/sda2": Invalid argument)

[Julien Lepiller]

Just to be sure, could you run "mkswap /dev/sda2"?

Le 28 novembre 2018 08:34:33 GMT+01:00, znavko@tutanota.com a écrit :
>

bug#33537: Acknowledgement (guix system error: In procedure swapon: "/dev/sda2": Invalid argument)

[znavko]

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Thank you, Julien Lepiller! That exactly was what I need! 


Nov 28, 2018, 11:01 AM by julien@lepiller.eu:

> Just to be sure, could you run "mkswap /dev/sda2"?
>
> Le 28 novembre 2018 08:34:33 GMT+01:00, > znavko@tutanota.com <mailto:znavko@tutanota.com>>  a écrit :
>
>>
>>


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bug#33537: Acknowledgement (guix system error: In procedure swapon: "/dev/sda2": Invalid argument)

[Ludovic Courtès]

<znavko@tutanota.com> skribis:

> Thank you, Julien Lepiller! That exactly was what I need! 

Ah, good.  :-)

Closing!

Ludo’.

bug#33537: guix system error: In procedure swapon: "/dev/sda2": Invalid argument

[Ludovic Courtès]

Hi,

<znavko@tutanota.com> skribis:

> # guix system reconfigure /etc/config.scm
> ...
> guix system: error: exception caught while executing 'start' on service 'swap-/dev/sda2':
> In procedure swapon: "/dev/sda2": Invalid argument...

According to swapon(2), there are 3 conditions that can lead to this
error:

       EINVAL The file path exists, but refers neither to a regular  file  nor  to  a
              block device;

       EINVAL (swapon())  The  indicated path does not contain a valid swap signature
              or resides on an in-memory filesystem such as tmpfs(5).

       EINVAL (since Linux 3.4)
              (swapon()) An invalid flag value was specified in flags.

Did you run “mkswap /dev/sda2” beforehand?

Thanks,
Ludo’.