Binary package hint: transmission
This looks just like Bug #406486 for which a fix is supposed to have been released.
$ ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 20
file size (blocks, -f) unlimited
pending signals (-i) 16382
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) unlimited
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
Output of $ lsof -p `pidof transmission` > /tmp/lsof.transmission is attached
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: transmission-gtk 2.04-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
CheckboxSubmission: afab8a4a6bea108b46a135d1f7175049
CheckboxSystem: daed2f3d6643b4a84b4520a2427f8c2b
Date: Sun Oct 17 00:29:16 2010
ExecutablePath: /usr/bin/transmission
ProcEnviron:
LANGUAGE=en_GB:en
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: transmission
In the 2.0x series, I don't think the root cause is the same as #406486. Rather, I think this matches upstream ticket https:/