Systemd deluged.service (code=killed, status=11/SEGV)

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GostLy
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Systemd deluged.service (code=killed, status=11/SEGV)

Postby GostLy » Thu Nov 07, 2019 7:47 am

Hi, so recently I upgraded my deluge 1.3 to 2.0.3 on a headless raspbian server. I built 2.0.3 from source but before doing that I manually removed all the deluge files I could "find". I recreated the systemd services from the wiki but when I tried to start them they wouldn't run. I would get this result from "systemctl status deluged.service"

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deluged.service - Deluge Bittorrent Client Daemon
   Loaded: loaded (/etc/systemd/system/deluged.service; disabled; vendor preset: enabled)
  Drop-In: /etc/systemd/system/deluged.service.d
           └─user.conf
   Active: failed (Result: signal) since Thu 2019-11-07 06:49:27 GMT; 3s ago
     Docs: man:deluged
  Process: 25959 ExecStart=/usr/bin/python /usr/bin/deluged -d & (code=killed, signal=SEGV)
 Main PID: 25959 (code=killed, signal=SEGV)

Nov 07 06:49:26 raspberrypi systemd[1]: Started Deluge Bittorrent Client Daemon.
Nov 07 06:49:27 raspberrypi systemd[1]: deluged.service: Main process exited, code=killed, status=11/SEGV
Nov 07 06:49:27 raspberrypi systemd[1]: deluged.service: Failed with result 'signal'.

So I tried to just run "deluged -d" from a terminal and it ran without problems, I even connected to it with the thin client.

Anyways, maybe someone can shine some light on this for me, if you need more information tell me what I need to do because I googled to get the coredump so not sure if that's enough information or not. Also, I should mention that my other systemd services are running fine.

/etc/systemd/system/deluged.service

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[Unit]
Description=Deluge Bittorrent Client Daemon
Documentation=man:deluged
After=network-online.target

[Service]
Type=simple
UMask=000

ExecStart=/usr/bin/deluged -d

Restart=on-failure
RestartSec=5

# Time to wait before forcefully stopped.
TimeoutStopSec=300

[Install]
WantedBy=multi-user.target


"sudo coredumpctl debug 31237"

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       PID: 31237 (deluged)
           UID: 1001 (gostly)
           GID: 1001 (gostly)
        Signal: 11 (SEGV)
     Timestamp: Thu 2019-11-07 07:02:38 GMT (4min 13s ago)
  Command Line: /usr/bin/python /usr/bin/deluged -d
    Executable: /usr/bin/python3.7
 Control Group: /system.slice/deluged.service
          Unit: deluged.service
         Slice: system.slice
       Boot ID: 82d852d565c74f3d890a0b9f9e238589
    Machine ID: xxxxx
      Hostname: raspberrypi
       Storage: /var/lib/systemd/coredump/core.deluged.1001.82d852d565c74f3d890a0b9f9e238589.31237.1573110158000000.lz4
       Message: Process 31237 (deluged) of user 1001 dumped core.
               
                Stack trace of thread 31237:
                #0  0x00000000000645d8 _Py_ReleaseInternedUnicodeStrings (python3.7)
                #1  0x00000000b56f8190 ~dht_mutable_item (libtorrent-rasterbar.so.10)
                #2  0x00000000bece0e04 n/a (n/a)

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Reading symbols from /usr/bin/python3.7...Reading symbols from /usr/lib/debug/.build-id/43/bae4a9637f34096c885fc1179541d11bbedf2d.debug...done.
done.

warning: core file may not match specified executable file.
[New LWP 31237]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
Core was generated by `/usr/bin/python /usr/bin/deluged -d'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x000645d8 in _Py_ReleaseInternedUnicodeStrings () at ../Objects/unicodeobject.c:15359
15359   ../Objects/unicodeobject.c: No such file or directory.
(gdb) thread apply all bt

Thread 1 (Thread 0xb6fb0ad0 (LWP 31237)):
#0  0x000645d8 in _Py_ReleaseInternedUnicodeStrings () at ../Objects/unicodeobject.c:15359
#1  0xb56f8190 in libtorrent::dht::(anonymous namespace)::dht_mutable_item::~dht_mutable_item (this=0xb6ddd000, __in_chrg=<optimized out>)
    at /usr/include/c++/8/bits/unique_ptr.h:598
#2  0xbece0e04 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

GostLy
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Posts: 4
Joined: Sun Oct 27, 2019 6:47 am

Re: Systemd deluged.service (code=killed, status=11/SEGV)

Postby GostLy » Fri Nov 22, 2019 2:30 am

So I thought that I would update this post in case anyone else runs into a similar problem because I've found a workaround. However I still haven't fixed this, I even moved from Raspbian to Ubuntu Server and the crash followed me, that's kind of how I was able to figure out a way around it. Anyways, I figured out not to run deluged service as root (or sudo) but after I reboot my server it crashes with a segmentation fault.

So what I've been doing is renaming the "~/.config/deluge/session.state" file so that deluged is forced to create a new one and that makes it so that I can run "systemctl start deluged" and it works fine. If anyone could shine some light on why I have to do that and suggest something a bit more permanent to solve my problem, that would be great.


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