[Varnish] #639: Assert on writing to CLI when child process dies
Varnish
varnish-bugs at projects.linpro.no
Fri Jan 29 16:58:19 CET 2010
#639: Assert on writing to CLI when child process dies
----------------------+-----------------------------------------------------
Reporter: tgr | Owner: phk
Type: defect | Status: new
Priority: normal | Milestone:
Component: varnishd | Version: 2.0
Severity: normal | Keywords: 2.0.6 CLI assert
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varnishd 2.0.6 on Debian Lenny amd64.
When a child dies:
Jan 29 10:51:10 webcache4 varnishd[24741]: Child (24742) not responding to
ping, killing it.
Jan 29 10:51:12 webcache4 varnishd[24741]: Child (24742) not responding to
ping, killing it.
and there's a CLI command being written to the child, an xxxassert() is
raised:
#3 0x000000000042ef64 in mgt_cli_vlu (priv=0x7fb112813c00,
p=0x7fb1128d3000 "debug.health") at mgt_cli.c:270
270 xxxassert(i == strlen(p));
The master process should handle the unfinished write(), rather than
aborting.
As a dirty interim fix, it *should* be OK to ignore the unfinished write,
like in the attached patch.
--
Ticket URL: <http://varnish-cache.org/ticket/639>
Varnish <http://varnish.projects.linpro.no/>
The Varnish HTTP Accelerator
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