[Varnish] #516: vsl_mtx "deadlock"; child stops responding

[Varnish]

#516: vsl_mtx "deadlock"; child stops responding
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 Reporter:  kb        |       Owner:  phk
     Type:  defect    |      Status:  closed
 Priority:  normal    |   Milestone:
Component:  varnishd  |     Version:  2.0
 Severity:  normal    |  Resolution:  worksforme
 Keywords:            |
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Comment (by jammy):

 We're using version 3.0.3. The very issue happened once in our two
 production nodes.

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/516#comment:4>
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