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From: David Miller <davem@davemloft.net>
To: akpm@linux-foundation.org
Cc: netdev@vger.kernel.org
Subject: Re: net-2.6.22 UDP stalls/hangs
Date: Mon, 23 Apr 2007 15:15:31 -0700 (PDT)	[thread overview]
Message-ID: <20070423.151531.70219647.davem@davemloft.net> (raw)
In-Reply-To: <20070423151240.0e8cabed.akpm@linux-foundation.org>

From: Andrew Morton <akpm@linux-foundation.org>
Date: Mon, 23 Apr 2007 15:12:40 -0700

> which is just stupid.  The rtnl_lock() is right there in ip_mc_join_group().
> And this is a different architecture and config and compiler from yesterday's
> fun.  And no scheduler patches involved here.

Perhaps something on another cpu is dropping the rtnl semaphore one
times too many.

Recently a bug of this nature was discovered in the wireless stack.
But unless you have a wireless device in this box too, it's probably
unrelated.

  reply	other threads:[~2007-04-23 22:15 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-23 20:07 net-2.6.22 UDP stalls/hangs Andrew Morton
2007-04-23 20:18 ` David Miller
2007-04-23 20:27   ` Andrew Morton
2007-04-23 20:37     ` David Miller
2007-04-23 20:56       ` Andrew Morton
2007-04-23 21:17         ` David Miller
2007-04-23 21:45           ` Andrew Morton
2007-04-23 22:12             ` Andrew Morton
2007-04-23 22:15               ` David Miller [this message]
2007-04-23 22:37                 ` Andrew Morton
2007-04-23 22:45                   ` David Miller
2007-04-23 23:35                     ` Andrew Morton
2007-04-24  0:04                     ` Herbert Xu
2007-04-24  0:07                       ` David Miller
2007-04-23 23:14                   ` Rick Jones

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