[Varnish] #1628: Assert error in VBO_DerefBusyObj()

Varnish varnish-bugs at varnish-cache.org
Tue Nov 18 13:32:32 CET 2014

#1628: Assert error in VBO_DerefBusyObj()
 Reporter:  Jay       |       Owner:  Martin Blix Grydeland <martin@…>
     Type:  defect    |      Status:  closed
 Priority:  normal    |   Milestone:  Later
Component:  varnishd  |     Version:  trunk
 Severity:  normal    |  Resolution:  fixed
 Keywords:            |
Changes (by Martin Blix Grydeland <martin@…>):

 * owner:   => Martin Blix Grydeland <martin@…>
 * status:  needinfo => closed
 * resolution:   => fixed


 In [7746e30e2c53cf55f0f2525bb3f49c9ee83e9611]:
 #!CommitTicketReference repository=""
 Keep the fetch thread busyobj pointer-ref separate from the client
 thread pointer-ref, and deref it on thread scheduling failure.

 The code tried to deref the same pointer twice, which failed because
 the VBO_DerefBusyobj() will clear the pointer when called. Separating
 allows calling VBO_DerefBusyobj() for each of them.

 Fixes: #1628

Ticket URL: <https://www.varnish-cache.org/trac/ticket/1628#comment:9>
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