From: Frederic Weisbecker <fweisbec@gmail.com>
To: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <eric.dumazet@gmail.com>,
Neil Horman <nhorman@tuxdriver.com>,
Netdev <netdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: packet_sendmsg_spkt sleeping from invalid context
Date: Mon, 14 Dec 2009 18:52:13 +0100 [thread overview]
Message-ID: <20091214175211.GA5102@nowhere> (raw)
Hi,
I don't know if it has been reported already.
I get the following warning on boot, with latest upstream tree:
[ 32.776502] sched: BUG: sleeping function called from invalid context at mm/slab.c:3032
[ 32.802173] sched: in_atomic(): 1, irqs_disabled(): 0, pid: 3555, name: dhclient3
[ 32.821141] 1 lock held by dhclient3/3555:
[ 32.821147] #0: (rcu_read_lock){.+.+.+}, at: [<ffffffff815d177d>] packet_sendmsg_spkt+0x7d/0x2c0
[ 32.821174] Pid: 3555, comm: dhclient3 Tainted: G W 2.6.32-tip+ #134
[ 32.821181] Call Trace:
[ 32.821194] [<ffffffff810811c3>] ? __debug_show_held_locks+0x13/0x30
[ 32.821207] [<ffffffff8103d6b8>] __might_sleep+0x118/0x140
[ 32.821219] [<ffffffff81110c23>] kmem_cache_alloc+0x173/0x190
[ 32.821231] [<ffffffff815483d9>] __alloc_skb+0x49/0x170
[ 32.821241] [<ffffffff81542238>] sock_wmalloc+0x38/0x80
[ 32.821250] [<ffffffff815d182b>] packet_sendmsg_spkt+0x12b/0x2c0
[ 32.821260] [<ffffffff815d177d>] ? packet_sendmsg_spkt+0x7d/0x2c0
[ 32.821272] [<ffffffff8153ded7>] sock_sendmsg+0x127/0x140
[ 32.821285] [<ffffffff8106f4a0>] ? autoremove_wake_function+0x0/0x40
[ 32.821297] [<ffffffff810f467b>] ? might_fault+0x7b/0xd0
[ 32.821306] [<ffffffff810f467b>] ? might_fault+0x7b/0xd0
[ 32.821318] [<ffffffff815401aa>] ? move_addr_to_kernel+0x6a/0x70
[ 32.821328] [<ffffffff8154029f>] sys_sendto+0xef/0x120
[ 32.821340] [<ffffffff81131479>] ? mntput_no_expire+0x29/0x110
[ 32.821355] [<ffffffff810027db>] system_call_fastpath+0x16/0x1b
next reply other threads:[~2009-12-14 17:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-14 17:52 Frederic Weisbecker [this message]
2009-12-14 19:24 ` packet_sendmsg_spkt sleeping from invalid context Eric Dumazet
2009-12-14 20:11 ` Frederic Weisbecker
2009-12-14 20:52 ` Frederic Weisbecker
2009-12-14 21:25 ` Eric Dumazet
2009-12-14 21:30 ` Frederic Weisbecker
2009-12-14 21:39 ` Eric Dumazet
2009-12-15 15:13 ` Frederic Weisbecker
2009-12-15 15:47 ` Eric Dumazet
2009-12-16 5:14 ` David Miller
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