[tor-bugs] #12494 [- Select a component]: bundle 3.6.2_en-64bit opens too many files on Linux

Tor Bug Tracker & Wiki blackhole at torproject.org
Sun Jun 29 16:49:41 UTC 2014


#12494: bundle 3.6.2_en-64bit opens too many files on Linux
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 Reporter:  cypherpunks           |          Owner:
     Type:  defect                |         Status:  new
 Priority:  normal                |      Milestone:
Component:  - Select a component  |        Version:
 Keywords:                        |  Actual Points:
Parent ID:                        |         Points:
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 After a while (if you visit many-many pages) the Tor browser starts
 misbehaving - can't save files, difficulties with loading/displaying
 pages, and eventually all fonts (i.e., all text) suddenly disappears from
 pages and menus as well (except for a leading underscore _). You get
 errors on console by some shm_*() function (cannot recall name correctly)
 complaining about too many open files and lsof indeed shows bazillion
 files for the Tor firefox in directory tor-browser_en-
 US/Data/Browser/profile.default/thumbnails/ mostly in deleted status.
 Clearly unexpected behavior.

 One workaround is to sigterm the browser with kill + pid and when you
 restart recover all tabs etc. Firefox also has docs on disabling thumbnail
 collection or usage altogether which should work (have not tried it). I
 decided to replace the thumbnails directory with an immutable file and
 have not seen the bug since.

 Saw this with the latest 3.6.2 but also with earlier ones.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12494>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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