[Buildbot] #2833: probably deadlock situations with MasterLock

Buildbot trac trac at buildbot.net
Mon Jul 7 12:09:39 UTC 2014

#2833: probably deadlock situations with MasterLock
Reporter:  lunochod  |       Owner:
    Type:  defect    |      Status:  new
Priority:  major     |   Milestone:  0.8.9
 Version:  0.8.9     |  Resolution:
Keywords:  database  |
Changes (by dustin):

 * keywords:  locks => database
 * milestone:  0.9.+ => 0.8.9


 From the sound of it, your failures are DB-related, not lock-related.
 Buildbot is trying to perform a query, and the DB (or the TCP connection
 to it) is hanging, resulting in a long timeout before Buildbot gets an
 exception back indicating failure.

 That error is either "Lost connection" (indicating that the TCP connection
 was unexpectedly closed) or "database is locked" (indicating the sqlite
 conflicted with itself).  If you're using SQLite, you're probably running
 an ancient version shipped with your Linux distro, and an upgrade might

Ticket URL: <http://trac.buildbot.net/ticket/2833#comment:3>
Buildbot <http://buildbot.net/>
Buildbot: build/test automation

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