GNU bug report logs - #25430
`guix system reconfigure' fails with "symlink: File exists"

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

From: Arun Isaac <arunisaac <at> systemreboot.net>
To: bug-guix <at> gnu.org
Subject: `guix system reconfigure' fails with "symlink: File exists"
Date: Thu, 12 Jan 2017 23:20:15 +0530

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

`guix system reconfigure' fails on my machine with the following
backtrace.

In ice-9/boot-9.scm:
 160: 11 [catch #t #<catch-closure 8cae00> ...]
In unknown file:
   ?: 10 [apply-smob/1 #<catch-closure 8cae00>]
In ice-9/boot-9.scm:
  66: 9 [call-with-prompt prompt0 ...]
In ice-9/eval.scm:
 432: 8 [eval # #]
In ice-9/boot-9.scm:
2404: 7 [save-module-excursion #<procedure 8ea7c0 at ice-9/boot-9.scm:4051:3 ()>]
4056: 6 [#<procedure 8ea7c0 at ice-9/boot-9.scm:4051:3 ()>]
1727: 5 [%start-stack load-stack #<procedure 8fcca0 at ice-9/boot-9.scm:4047:10 ()>]
1732: 4 [#<procedure 8fd6f0 ()>]
In unknown file:
   ?: 3 [primitive-load "/gnu/store/gq6rbsz112r5x3dlaii1w8zs8vcyfzf4-dbus-system-services-builder"]
In ice-9/eval.scm:
 432: 2 [eval # ()]
In srfi/srfi-1.scm:
 616: 1 [for-each #<procedure c3ebd0 at ice-9/eval.scm:416:20 (a)> #]
In unknown file:
   ?: 0 [symlink "/gnu/store/f4mfsyzqsqccfh22z0md1s1jsk1m79mw-udisks-2.1.8/share/dbus-1/system-services/org.freedesktop.UDisks2.service" ...]

ERROR: In procedure symlink:
ERROR: In procedure symlink: File exists
builder for `/gnu/store/dywvmn331drm2j6m474vbycdyiljnc4k-dbus-system-services.drv' failed with exit code 1
cannot build derivation `/gnu/store/4y4v9bdlv4d1r6imamnmy7xcg0r2bcgs-dbus-configuration.drv': 1 dependencies couldn't be built
cannot build derivation `/gnu/store/w70gl6wvbimy25xjv6w95cqgqm79xksq-etc.drv': 1 dependencies couldn't be built
cannot build derivation `/gnu/store/gk7bj491ds1rb17xz90brad7rdygybw3-system.drv': 1 dependencies couldn't be built
guix system: error: build failed: build of `/gnu/store/gk7bj491ds1rb17xz90brad7rdygybw3-system.drv' failed

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Message #8 received at 25430 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Arun Isaac <arunisaac <at> systemreboot.net>
Cc: 25430 <at> debbugs.gnu.org
Subject: Re: bug#25430: `guix system reconfigure' fails with "symlink: File
 exists"
Date: Sat, 14 Jan 2017 18:44:57 +0100

Arun Isaac <arunisaac <at> systemreboot.net> skribis:

> `guix system reconfigure' fails on my machine with the following

Could you send your GuixSD config?

>    ?: 0 [symlink "/gnu/store/f4mfsyzqsqccfh22z0md1s1jsk1m79mw-udisks-2.1.8/share/dbus-1/system-services/org.freedesktop.UDisks2.service" ...]
>
> ERROR: In procedure symlink:
> ERROR: In procedure symlink: File exists
> builder for `/gnu/store/dywvmn331drm2j6m474vbycdyiljnc4k-dbus-system-services.drv' failed with exit code 1

This may be the result of adding UDisks D-Bus services more than once.

Ludo’.

Message #13 received at 25430-done <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Arun Isaac <arunisaac <at> systemreboot.net>
Cc: 25430-done <at> debbugs.gnu.org
Subject: Re: bug#25430: `guix system reconfigure' fails with "symlink: File
 exists"
Date: Sun, 15 Jan 2017 21:25:53 +0100

Arun Isaac <arunisaac <at> systemreboot.net> skribis:

>>>    ?: 0 [symlink "/gnu/store/f4mfsyzqsqccfh22z0md1s1jsk1m79mw-udisks-2.1.8/share/dbus-1/system-services/org.freedesktop.UDisks2.service" ...]
>>>
>>> ERROR: In procedure symlink:
>>> ERROR: In procedure symlink: File exists
>>> builder for `/gnu/store/dywvmn331drm2j6m474vbycdyiljnc4k-dbus-system-services.drv' failed with exit code 1
>>
>> This may be the result of adding UDisks D-Bus services more than once.
>
> Yes, I had added udisks-service twice -- once in %desktop-services, and
> once again by itself. I didn't realize that %desktop-services included
> udisks-service.
>
> Thanks! This issue is fixed.

Great!

Surely we could diagnose it better, not sure exactly how.

Thanks,
Ludo’.

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