I don't think it is a networking issue, when I run:
sudo guix system --verbosity=100 reconfigure ./guixsd-helper.scm
The output is like:
----------------------------------------------------------------
-acquiring write lock on `/var/guix/temproots/870'
downgrading to read lock on `/var/guix/temproots/870'
acquiring write lock on `/var/guix/temproots/870'
downgrading to read lock on `/var/guix/temproots/870'
acquiring write lock on `/var/guix/temproots/870'
downgrading to read lock on `/var/guix/temproots/870'
acquiring write lock on `/var/guix/temproots/870'
downgrading to read lock on `/var/guix/temproots/870'
acquiring write lock on `/var/guix/temproots/870'
downgrading to read lock on `/var/guix/temproots/870'
acquiring write lock on `/var/guix/temproots/870'
downgrading to read lock on `/var/guix/temproots/870'
acquiring write lock on `/var/guix/temproots/870'
downgrading to read lock on `/var/guix/temproots/870'
acquiring write lock on `/var/guix/temproots/870'
downgrading to read lock on `/var/guix/temproots/870'
... time > 5min
-----------------------------
----------------
At 2017-01-14 01:28:53, "address@hidden (Ludovic" <=?utf-8?Q?Court=C3=A8s?=)> wrote:
>Hello,
>
>tumashu <address@hidden> skribis:
>
>> "guix system reconfigure" can't work well in my machine now, the below is output:
>> --------------------------------------------------------------------------
>> bash-4.4$ sudo guix system reconfigure guixsd-helper.scm
>> 密码：
>>
>> ** wait long time, about 5 min.**
>
>Ouch. Could there be a networking issue?
>
>> guix system: loading new services: file-system-/mnt/backup1 file-system-/mnt/backup2...
>> shepherd: Evaluating user _expression_ (register-services (primitive-load "/gn...") #).
>>
>> ****looooooooooooooooooooooong time and I have to C-c C-c it.*****
>>
>> -----------------------------------------------------------------------------------------
>>
>> 2. In the console, the below information is showed:
>> ------------------------
>> e2fsck: cannot continue, aborting
>> ...
>> File system check on /dev/sda8 failed....
>> ------------------------
>
>This very likely an instance of <https://bugs.gnu.org/23697>. I’ll see
>if I can fix it soonish if nobody beats me at it.
>
>Thanks for your report!
>
>Ludo’.