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Re: "pgbench -c 13" causes backend hangup.

From: Yutaka tanida <yutaka(at)hi-net(dot)zaq(dot)ne(dot)jp>
To: Jason Tishler <jason(at)tishler(dot)net>
Cc: pgsql-cygwin(at)postgresql(dot)org
Subject: Re: "pgbench -c 13" causes backend hangup.
Date: 2001-09-16 06:15:02
Message-ID: 20010916150456.2D6B.YUTAKA@hi-net.zaq.ne.jp (view raw or flat)
Thread:
Lists: pgsql-cygwin
Jason,

On Sat, 15 Sep 2001 10:29:32 -0400
Jason Tishler <jason(at)tishler(dot)net> wrote:

> Can you attach to the hung postgres.exe processes and get a backtrace to
> determine where they are hanging?

Here's log, but it's nothing to use....So,I can't determine what's wrong.

--
bash-2.05$ gdb -nw
GNU gdb 5.0 (20010428-1)
(snip)
(gdb) attach 776
Attaching to process 776
[Switching to thread 776.0x5b0]
(gdb) backtrace
#0  0x77fa018d in ?? ()
#1  0x77e5758a in ?? ()
--

There's a backend log when they're hanged.

--
DEBUG:  ProcessUtility: end
DEBUG:  CommitTransactionCommand
DEBUG:  proc_exit(0)
DEBUG:  shmem_exit(0)
DEBUG:  exit(0)
postmaster: reaping dead processes...
postmaster: CleanupProc: pid 1480 exited with status 0
--

I suppose it's a bug of cygwin's signal handling.I'll trying to create
other testcase.

---
Yutaka tanida<yutaka(at)hi-net(dot)zaq(dot)ne(dot)jp>
謎のWebsite http://www.hi-net.zaq.ne.jp/yutaka/


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Subject: Re: "pgbench -c 13" causes backend hangup.
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