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From: "David S. Miller" <davem@redhat.com>
To: green@namesys.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: unix sockets problems in 2.5.4-pre6?
Date: Mon, 11 Feb 2002 00:49:53 -0800 (PST)	[thread overview]
Message-ID: <20020211.004953.74751936.davem@redhat.com> (raw)
In-Reply-To: <20020211111904.A955@namesys.com>
In-Reply-To: <20020211111904.A955@namesys.com>

   From: Oleg Drokin <green@namesys.com>
   Date: Mon, 11 Feb 2002 11:19:04 +0300

      Just tried 2.5.4-pre6 and got hung postfix "master" process which I cannot
      kill in RUNNABLE state. Here is traces of all postfix processes at the time:
   
   pickup        Z C212E180    48   522    520   523       (L-TLB)
   Call Trace: [do_exit+745/784] [sys_exit+14/16] [syscall_call+7/11]
   qmgr          S F70FBF30    48   523    520   524   522 (NOTLB)
   Call Trace: [schedule_timeout+128/160] [process_timeout+0/16] [do_select+470/544] [sys_select+832/1152] [syscall_call+7/11]
   tlsmgr        S F70F5F30  8944   524    520   523 (NOTLB)
   Call Trace: [schedule_timeout+128/160] [process_timeout+0/16] [do_select+470/544] [sys_select+832/1152] [syscall_call+7/11]
   master        R F773F744    48   520    900   524               (NOTLB)
   Call Trace: [__write_lock_failed+9/32] [.text.lock.open+71/137] [unix_create+92/112] [sock_map_fd+12/304] [select_bits_free+10/16]
      [sys_socket+29/96] [sys_socket+48/96] [sys_socketcall+99/512] [syscall_call+7/11]
   
      Hope this will help someone to nail a problem

It doesn't help.  You need to find the backtrace of the other process
holding the lock the AF_UNIX code wants as well, dumping just these
few processes isn't enough.

Franks a lot,
David S. Miller
davem@redhat.com

  reply	other threads:[~2002-02-11  8:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-02-11  8:19 unix sockets problems in 2.5.4-pre6? Oleg Drokin
2002-02-11  8:49 ` David S. Miller [this message]
2002-02-11  8:59   ` Oleg Drokin
2002-02-11 13:02     ` David S. Miller
2002-02-11 13:37       ` Oleg Drokin

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