On 14/05/2012 11:03 p.m., Justin Lawler wrote:
Thanks Amos - we have heap dumps but unfortunately we could not share with the
wider community as they're taken from a customer production environment.
However, we can send on information taken from the heap dump - like output from
pflags/pstack/etc. Would this be sufficient to investigate the issue?
Private data should not be a problem. Initially we just need a backtrace
from the dump to find which function calls led to it, and the two values
in those FD.
Amos
Thanks and regards,
Justin
-----Original Message-----
From: Amos Jeffries
On 4/05/2012 9:59 p.m., Justin Lawler wrote:
Hi,
We're running squid 3.1.19 - and have seen it restarting from the logs, just
after the below error:
2012/04/19 12:12:28| assertion failed: forward.cc:496: "server_fd == fd"
2012/04/19 12:12:59| Starting Squid Cache version 3.1.19 for
sparc-sun-solaris2.10...
Is this a known issue? any workaround?
Seems to be new and a bit strange. Squid opens one connection to the server to
fetch content sometime later a connection was closed, but not the one which was
opened to begin with.
Do you have a core dump or stack trace available to identify what the fd and
server_fd values actually were during the crash?
It's been in production for 6 weeks now, and have only seen it once, but we
need to have an answer for the customer. We're worried it'll be more frequently
as traffic goes up.
Being the first report over a month after the release, it would seem to be very
rare.
Amos
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