On 05.04.2013 00:33, Rick Macklem wrote:
Hi,
When pho@ was doing some NFS testing, he got the
following crash, which I can't figure out. (As far
as I can see, INP_WLOCK() is always held when
tp->t_state = TCPS_CLOSED and it is held from before
the test for TCPS_CLOSED in tcp_input() up until
the tcp_do_segment() call. As such, I don't see how
tp->t_state can be TCPS_CLOSED, but that seems to
be what causes the panic?)
The "umount -f" will result in:
soshutdown(so, SHUT_WR);
soclose(so);
being done by the krpc on the socket.
Anyone have any ideas on this?
Interesting triggering of the assertion... I can have a look in the
afternoon.
--
Andre
pho@ wrote:
I continued running the NFS tests and got this "panic: tcp_do_segment:
TCPS_LISTEN". It's the second time I get this panic with the same test
scenario, so it seems to be reproducible. The scenario is "umount -f"
of a mount point that is very active.
http://people.freebsd.org/~pho/stress/log/kostik555.txt
Thanks in advance for any help, rick
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