transmission-daemon failing on Debian Jessie

I’m trying to setup flexget with transmission but it was failing for some reason.


Setting up transmission-daemon (2.82-1.1+b1) …
Job for transmission-daemon.service failed. See ‘systemctl status transmission-daemon.service’ and ‘journalctl -xn’ for details.
invoke-rc.d: initscript transmission-daemon, action “start” failed.
dpkg: error processing package transmission-daemon (–configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
E: Sub-process /usr/bin/dpkg returned an error code (1)


Once I followed the below post from debian bug forum transmission-daemon started to no problem


usermod debian-transmission -d /var/lib/transmission-daemon

mkdir -p /var/lib/transmission-daemon/.config/transmission-daemon

mv /var/lib/transmission-daemon/info/*

rmdir info

ln -s /var/lib/transmission-daemon/.config/transmission-daemon

chown -R debian-transmission:debian-transmission
/var/lib/transmission-daemon /var/lib/transmission-daemon/.config



ksenior@roamer:~$ transmission-daemon -f

[22:45:44.162] Transmission 2.82 (14160) started (session.c:738)

[22:45:44.162] RPC Server Adding address to whitelist: (rpc-server.c:828)

[22:45:44.162] RPC Server Serving RPC and Web requests on port (rpc-server.c:1035)

[22:45:44.162] RPC Server Whitelist enabled (rpc-server.c:1039)

[22:45:44.162] UDP Failed to set receive buffer: requested 4194304, got 425984 (tr-udp.c:78)

[22:45:44.162] UDP Please add the line “net.core.rmem_max = 4194304” to /etc/sysctl.conf (tr-udp.c:83)

[22:45:44.162] UDP Failed to set send buffer: requested 1048576, got 425984 (tr-udp.c:89)

[22:45:44.162] UDP Please add the line “net.core.wmem_max = 1048576” to /etc/sysctl.conf (tr-udp.c:94)

[22:45:44.162] DHT Generating new id (tr-dht.c:310)

[22:45:44.162] Using settings from “/home/ksenior/.config/transmission-daemon” (daemon.c:526)





 I had to modify /etc/sysctl.conf

root@roamer:~# vi /etc/sysctl.conf

add the lines noted in the error log

UDP Please add the line “net.core.rmem_max = 4194304” to /etc/sysctl.conf (tr-udp.c:83)

UDP Please add the line “net.core.wmem_max = 1048576” to /etc/sysctl.conf


To restart:

root@roamer:~# sysctl -p /etc/sysctl.conf

net.core.rmem_max = 4194304

net.core.wmem_max = 1048576




2 Responses to “transmission-daemon failing on Debian Jessie”

  1. Great! Works for me also!

  2. Thanks for your input, this is a feature we have considered and will put more thought into moving forward. Click

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