Problem removing a snap
Chris
cpollock at embarqmail.com
Wed Nov 2 22:45:19 UTC 2016
On Wed, 2016-11-02 at 20:40 -0200, Gustavo Niemeyer wrote:
>
> There's no need to attempt to remove again. snapd has proper state
> tracking and still remembers that you are trying to remove that snap.
>
> If you kept the directory mounted as suggested, by now it should
> already be gone.
>
I'd already removed it manually before your reply with the command you
sent. I admit, I screwed up again
> On Wed, Nov 2, 2016 at 8:34 PM, Chris <cpollock at embarqmail.com>
> wrote:
> > On Wed, 2016-11-02 at 20:06 -0200, Gustavo Niemeyer wrote:
> > > Ok, thanks for those details. We'll look more deeply into this
> > > tomorrow and try to reproduce the issue.
> > >
> > > To fix your problem, can you please try this simple hack to get
> > over
> > > the bug:
> > >
> > > sudo mount --bind /snap/ubuntu-core/current /snap/viking-gps/1
> > >
> > > This should allow the remove to go through.
> > >
> > >
> > chris at localhost:~$ sudo mount --bind /snap/ubuntu-core/current
> > /snap/viking-gps/1
> > [sudo] password for chris:
> > mount: mount point /snap/viking-gps/1 does not exist
> >
> > chris at localhost:~$ sudo snap remove viking-gps
> > 2016-11-02T17:22:05-05:00 ERROR cannot remove snap file "viking-
> > gps",
> > will retry in 3 mins: umount: /snap/viking-gps/1: mountpoint not
> > found
> >
> > The above is probably because I manually removed the empty 1
> > directory
> > and the viking-gps directory from /snap.
> >
> > In an attempt to reinstall it and then hopefully have it properly
> > removed I tried
> >
> > error: cannot install "viking-gps": snap "viking-gps" already
> > installed
> >
> > From what I can see when I run snap list and it's still shown there
> > needs to be some kind of refresh command (other than the one to
> > check
> > for newer snap versions) which would refresh the listing of snaps
> > or
> > tell snapd that a snap is no longer there.
> >
> > > On Wed, Nov 2, 2016 at 7:53 PM, Chris <cpollock at embarqmail.com>
> > > wrote:
> > > > On Wed, 2016-11-02 at 18:43 -0200, Gustavo Niemeyer wrote:
> > > > > Hi Chris,
> > > > >
> > > > > Can you please try updating your snapd package?
> > > > >
> > > > > Recent releases have a more reliable remove procedure that
> > > > handles
> > > > > these cases better.
> > > > >
> > > > According to apt-cache policy
> > > >
> > > > chris at localhost:~$ apt-cache policy snapd
> > > > snapd:
> > > > Installed: 2.16ubuntu3
> > > > Candidate: 2.16ubuntu3
> > > > Version table:
> > > > *** 2.16ubuntu3 500
> > > > 500 http://us.archive.ubuntu.com/ubuntu xenial-
> > updates/main
> > > > amd64 Packages
> > > > 100 /var/lib/dpkg/status
> > > > 2.0.2 500
> > > > 500 http://us.archive.ubuntu.com/ubuntu xenial/main
> > amd64
> > > > Packages
> > > >
> > > > I tried to upgrade, sudo apt upgrade snapd
> > > >
> > > > chris at localhost:~$ sudo apt upgrade snapd
> > > > [sudo] password for chris:
> > > > Reading package lists... Done
> > > > Building dependency tree
> > > > Reading state information... Done
> > > > snapd is already the newest version (2.16ubuntu3).
> > > > Calculating upgrade... Done
> > > >
> > > >
> > > > > On Wed, Nov 2, 2016 at 6:40 PM, Chris <cpollock at embarqmail.co
> > m>
> > > > > wrote:
> > > > > > I went to remove a snap, viking-gps, and it just sat there
> > > > doing
> > > > > > nothing. I did a CTRL-C to stop the process. So, running
> > snap
> > > > > > changes
> > > > > > showed me
> > > > > >
> > > > > > 343 Doing 2016-11
> > -02T17:22:13Z - Remove
> > > > > > "viking-gps" snap
> > > > > >
> > > > > > Then running snap change 343, since it was still running I
> > get:
> > > > > >
> > > > > > chris at localhost:/snap/viking-gps/1$ snap change 343
> > > > > > Status Spawn Ready Summary
> > > > > > Done 2016-11-02T17:22:13Z 2016-11-02T17:22:14Z Stop
> > snap
> > > > > > "viking-
> > > > > > gps" services
> > > > > > Done 2016-11-02T17:22:13Z 2016-11-02T17:22:16Z Make
> > snap
> > > > > > "viking-
> > > > > > gps" unavailable to the system
> > > > > > Done 2016-11-02T17:22:13Z 2016-11-02T17:22:19Z Remove
> > > > security
> > > > > > profile for snap "viking-gps" (1)
> > > > > > Done 2016-11-02T17:22:13Z 2016-11-02T17:22:21Z Remove
> > data
> > > > for
> > > > > > snap "viking-gps" (1)
> > > > > > Doing 2016-11-02T17:22:13Z - Remove
> > snap
> > > > > > "viking-gps" (1) from the system
> > > > > > Do 2016-11-02T17:22:13Z - Discard
> > > > > > interface
> > > > > > connections for snap "viking-gps" (1)
> > > > > >
> > > > > >
> > > >
> > ...................................................................
> > > > > > ...
> > > > > > Remove snap "viking-gps" (1) from the system
> > > > > >
> > > > > > 2016-11-02T14:47:01-05:00 ERROR cannot remove snap file
> > > > "viking-
> > > > > > gps",
> > > > > > will retry in 3 mins: umount: /snap/viking-gps/1: not
> > mounted
> > > > > > 2016-11-02T14:50:01-05:00 ERROR cannot remove snap file
> > > > "viking-
> > > > > > gps",
> > > > > > will retry in 3 mins: umount: /snap/viking-gps/1: not
> > mounted
> > > > > > 2016-11-02T14:53:01-05:00 ERROR cannot remove snap file
> > > > "viking-
> > > > > > gps",
> > > > > > will retry in 3 mins: umount: /snap/viking-gps/1: not
> > mounted
> > > > > > 2016-11-02T14:56:01-05:00 ERROR cannot remove snap file
> > > > "viking-
> > > > > > gps",
> > > > > > will retry in 3 mins: umount: /snap/viking-gps/1: not
> > mounted
> > > > > > 2016-11-02T14:59:01-05:00 ERROR cannot remove snap file
> > > > "viking-
> > > > > > gps",
> > > > > > will retry in 3 mins: umount: /snap/viking-gps/1: not
> > mounted
> > > > > > 2016-11-02T15:02:01-05:00 ERROR cannot remove snap file
> > > > "viking-
> > > > > > gps",
> > > > > > will retry in 3 mins: umount: /snap/viking-gps/1: not
> > mounted
> > > > > > 2016-11-02T15:06:47-05:00 ERROR cannot remove snap file
> > > > "viking-
> > > > > > gps",
> > > > > > will retry in 3 mins: umount: /snap/viking-gps/1: not
> > mounted
> > > > > > 2016-11-02T15:09:49-05:00 ERROR cannot remove snap file
> > > > "viking-
> > > > > > gps",
> > > > > > will retry in 3 mins: umount: /snap/viking-gps/1: not
> > mounted
> > > > > > 2016-11-02T15:12:50-05:00 ERROR cannot remove snap file
> > > > "viking-
> > > > > > gps",
> > > > > > will retry in 3 mins: umount: /snap/viking-gps/1: not
> > mounted
> > > > > > 2016-11-02T15:15:51-05:00 ERROR cannot remove snap file
> > > > "viking-
> > > > > > gps",
> > > > > > will retry in 3 mins: umount: /snap/viking-gps/1: not
> > mounted
> > > > > >
> > > > > > The above tells me that all has been done except removing
> > the
> > > > snap
> > > > > > and
> > > > > > discarding the interface. I ran sudo snap abort 343 which
> > > > stopped
> > > > > > it.
> > > > > > However the snap still showed up in /snap but was empty. I
> > took
> > > > a
> > > > > > drastic step and just rmdir the folder under viking-gps and
> > > > viking-
> > > > > > gps
> > > > > > itself. When I run sudo snap list it still shows up.
> > > > > >
> > > > > > chris at localhost:/snap$ sudo snap list
> > > > > >
> > Name Version Rev Developer Notes
> > > > > > blender-tpaw 2.78-tpaw0 2 tpaw -
> > > > > >
> > directpdf 0.1.4 8 normex devmode
> > > > > > krita 3.0.1.1-snap16 8 krita -
> > > > > > pencilsheep 5 5 pencilsheep -
> > > > > > snapweb 0.21.2 24 canonical -
> > > > > > speed-test 1.7.0.1 2 bartaz -
> > > > > > ubuntu-core 16.04.1 423 canonical -
> > > > > > vice-jz 2.4.27-2 4 jz -
> > > > > > viking-
> > > > > >
> > gps 1 chihchun disabled,broken
> > > > > > wallpaperdownloader 2.3 5 egarcia -
> > > > > >
> > > > > > What snap command do I use to totally remove it from the
> > list
> > > > of
> > > > > > snaps
> > > > > > on my system?
> > > > > >
> > > > > > --
> > > > > > Chris
> > > > > > KeyID 0xE372A7DA98E6705C
> > > > > > 31.11972; -97.90167 (Elev. 1092 ft)
> > > > > > 15:14:05 up 8 min, 1 user, load average: 4.82, 4.76, 2.53
> > > > > > Ubuntu 16.04.1 LTS, kernel 4.4.0-45-generic #66-Ubuntu SMP
> > Wed
> > > > Oct
> > > > > > 19 14:12:37 UTC 2016
> > > > > >
> > > > > > --
> > > > > > Snapcraft mailing list
> > > > > > Snapcraft at lists.snapcraft.io
> > > > > > Modify settings or unsubscribe at: https://lists.ubuntu.com
> > /mai
> > > > lman
> > > > > > /listinfo/snapcraft
> > > > > >
> > > > >
> > > > >
> > > > > --
> > > > >
> > > > > gustavo @ http://niemeyer.net
> > > > > --
> > > > > Snapcraft mailing list
> > > > > Snapcraft at lists.snapcraft.io
> > > > > Modify settings or unsubscribe at: https://lists.ubuntu.com/m
> > ailm
> > > > an/l
> > > > > istinfo/snapcraft
> > > > --
> > > > Chris
> > > > KeyID 0xE372A7DA98E6705C
> > > > 31.11972; -97.90167 (Elev. 1092 ft)
> > > > 16:35:27 up 1:29, 1 user, load average: 0.07, 0.11, 0.10
> > > > Ubuntu 16.04.1 LTS, kernel 4.4.0-45-generic #66-Ubuntu SMP Wed
> > Oct
> > > > 19 14:12:37 UTC 2016
> > > >
> > > > --
> > > > Snapcraft mailing list
> > > > Snapcraft at lists.snapcraft.io
> > > > Modify settings or unsubscribe at: https://lists.ubuntu.com/mai
> > lman
> > > > /listinfo/snapcraft
> > > >
> > >
> > >
> > > --
> > >
> > > gustavo @ http://niemeyer.net
> > > --
> > > Snapcraft mailing list
> > > Snapcraft at lists.snapcraft.io
> > > Modify settings or unsubscribe at: https://lists.ubuntu.com/mailm
> > an/l
> > > istinfo/snapcraft
> > --
> > Chris
> > KeyID 0xE372A7DA98E6705C
> > 31.11972; -97.90167 (Elev. 1092 ft)
> > 17:14:37 up 2:08, 1 user, load average: 0.47, 0.46, 0.36
> > Ubuntu 16.04.1 LTS, kernel 4.4.0-45-generic #66-Ubuntu SMP Wed Oct
> > 19 14:12:37 UTC 2016
> >
> > --
> > Snapcraft mailing list
> > Snapcraft at lists.snapcraft.io
> > Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman
> > /listinfo/snapcraft
> >
>
>
> --
>
> gustavo @ http://niemeyer.net
> --
> Snapcraft mailing list
> Snapcraft at lists.snapcraft.io
> Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/l
> istinfo/snapcraft
--
Chris
KeyID 0xE372A7DA98E6705C
31.11972; -97.90167 (Elev. 1092 ft)
17:43:19 up 2:37, 1 user, load average: 0.14, 0.22, 0.23
Ubuntu 16.04.1 LTS, kernel 4.4.0-45-generic #66-Ubuntu SMP Wed Oct 19 14:12:37 UTC 2016
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