Bug 727994

Description of problem:

transmission-daemon sometimes ignores bandwidth limits.


Version-Release number of selected component (if applicable):

transmission-daemon-2.22-3.fc15.x86_64


How reproducible:

Not certain - it seems to happen often, but not on every torrent. There may be something specific to certain .torrent files that causes the problem.


Steps to Reproduce:
1. Confirm a bandwidth limit is enabled via transmission-remote -si:

LIMITS
  Peer limit: 240
  Default seed ratio limit: Unlimited
  Upload speed limit: 30.00 KiB/s  (Enabled limit: 30.00 KiB/s; Enabled turtle limit: 30.00 KiB/s)
  Download speed limit: 300.00 KiB/s  (Enabled limit: 300.00 KiB/s; Enabled turtle limit: 300.00 KiB/s)
  Turtle schedule: 11:00 - 04:00  Sun Mon Tue Wed Thu Fri Sat 

2. Add a torrent (I'm adding them via a watch-dir, not sure whether that applies to the problem)

3. Observe that torrents are exceeding this bandwidth limitation, but claim to be honoring session limits (transmission-remote -l and transmission-remote -i):

  50    93%  180.8 MiB  34sec        0.0   397.0   0.00  Downloading  Aquaria111.2008.12.12.exe
  54    59%  173.1 MiB  4 min        0.0   438.0   0.00  Downloading  penumbra_overture_1.1.exe

LIMITS & BANDWIDTH
  Download Limit: Unlimited
  Upload Limit: Unlimited
  Honors Session Limits: Yes
  Peer limit: 60
  Bandwidth Priority: Normal

  
Actual results:

Torrents are allowed to exceed, both individually and in total, the bandwidth limits specified in the configuration file.


Expected results:

The total downstream bandwidth used by all torrents shouldn't exceed the global download rate.


Additional info:

To assuage any concerns anyone may have that software piracy is occurring in the above output, I would like to mention that the torrents in question are from the Humble Indie Bundle offers (see http://www.humblebundle.com/)