[3.19-rc3] tg3: BUG: sleeping function called from invalid context

[Peter Hurley]

On 3.19-rc3, I'm seeing this might_sleep() warning [1] from the tg3_open()
call stack. Let me know if I need to bisect this.

Regards,
Peter Hurley

[1]

[   17.203009] BUG: sleeping function called from invalid context at /home/peter/src/kernels/mainline/kernel/irq/manage.c:104
[   17.203067] in_atomic(): 1, irqs_disabled(): 0, pid: 1106, name: ip
[   17.203092] 2 locks held by ip/1106:
[   17.205255]  #0:  (rtnl_mutex){+.+.+.}, at: [<ffffffff816adf1f>] rtnetlink_rcv+0x1f/0x40
[   17.207445]  #1:  (&(&tp->lock)->rlock){+.....}, at: [<ffffffffa01073e6>] tg3_start+0xc06/0x11f0 [tg3]
[   17.209725] CPU: 2 PID: 1106 Comm: ip Not tainted 3.19.0-rc3+wip-xeon+lockdep #rc3+wip
[   17.211900] Hardware name: Dell Inc. Precision WorkStation T5400  /0RW203, BIOS A11 04/30/2012
[   17.214086]  0000000000000068 ffff8802ac823498 ffffffff817af7e8 0000000000000005
[   17.216265]  ffffffff81a9be78 ffff8802ac8234a8 ffffffff810998a5 ffff8802ac8234d8
[   17.218446]  ffffffff8109991a ffff8802ac8234c8 ffff8802af0aae00 ffffffffa00ed000
[   17.220636] Call Trace:
[   17.222743]  [<ffffffff817af7e8>] dump_stack+0x4f/0x7b
[   17.224808]  [<ffffffff810998a5>] ___might_sleep+0x105/0x140
[   17.226842]  [<ffffffff8109991a>] __might_sleep+0x3a/0xa0
[   17.228869]  [<ffffffffa00ed000>] ? 0xffffffffa00ed000
[   17.230939]  [<ffffffff810d7d78>] synchronize_irq+0x38/0xa0
[   17.232967]  [<ffffffffa00ed000>] ? 0xffffffffa00ed000
[   17.234991]  [<ffffffffa010105f>] tg3_chip_reset+0x13f/0x9c0 [tg3]
[   17.236988]  [<ffffffffa01020ae>] tg3_reset_hw+0x7e/0x2d20 [tg3]
[   17.238996]  [<ffffffff813bfaff>] ? __udelay+0x2f/0x40
[   17.241007]  [<ffffffffa00ef2f7>] ? _tw32_flush+0x47/0x80 [tg3]
[   17.243066]  [<ffffffffa0104dac>] tg3_init_hw+0x5c/0x70 [tg3]
[   17.245438]  [<ffffffffa010740b>] tg3_start+0xc2b/0x11f0 [tg3]
[   17.247444]  [<ffffffffa0107ad7>] ? tg3_open+0x107/0x2e0 [tg3]
[   17.249556]  [<ffffffff810c338d>] ? trace_hardirqs_on+0xd/0x10
[   17.251581]  [<ffffffff8107806f>] ? __local_bh_enable_ip+0x6f/0x100
[   17.253710]  [<ffffffffa0107af8>] tg3_open+0x128/0x2e0 [tg3]
[   17.255758]  [<ffffffff816ba3f5>] ? netpoll_poll_disable+0x5/0xa0
[   17.257932]  [<ffffffff816a14af>] __dev_open+0xbf/0x140
[   17.260091]  [<ffffffff816a17c1>] __dev_change_flags+0xa1/0x160
[   17.262222]  [<ffffffff816a18a9>] dev_change_flags+0x29/0x60
[   17.264360]  [<ffffffff816b0e02>] do_setlink+0x2f2/0xa30
[   17.266431]  [<ffffffff816b1b7f>] rtnl_newlink+0x51f/0x750
[   17.268485]  [<ffffffff816b1749>] ? rtnl_newlink+0xe9/0x750
[   17.270483]  [<ffffffff811869c2>] ? free_pages_prepare+0x1d2/0x270
[   17.272507]  [<ffffffff810c32bd>] ? trace_hardirqs_on_caller+0x11d/0x1e0
[   17.274531]  [<ffffffff813dd1b2>] ? nla_parse+0x32/0x120
[   17.276531]  [<ffffffff81021ab5>] ? native_sched_clock+0x35/0xa0
[   17.278514]  [<ffffffff816adfd5>] rtnetlink_rcv_msg+0x95/0x250
[   17.280485]  [<ffffffff8109f699>] ? preempt_count_sub+0x49/0x50
[   17.282448]  [<ffffffff817b4a02>] ? mutex_lock_nested+0x382/0x530
[   17.284402]  [<ffffffff816adf1f>] ? rtnetlink_rcv+0x1f/0x40
[   17.286290]  [<ffffffff816adf1f>] ? rtnetlink_rcv+0x1f/0x40
[   17.288142]  [<ffffffff816adf40>] ? rtnetlink_rcv+0x40/0x40
[   17.290031]  [<ffffffff816cedc1>] netlink_rcv_skb+0xc1/0xe0
[   17.291836]  [<ffffffff816adf2e>] rtnetlink_rcv+0x2e/0x40
[   17.293615]  [<ffffffff816ce473>] netlink_unicast+0xf3/0x1d0
[   17.295420]  [<ffffffff816ce863>] netlink_sendmsg+0x313/0x690
[   17.297132]  [<ffffffff811ada4f>] ? might_fault+0x5f/0xb0
[   17.298799]  [<ffffffff8168253c>] do_sock_sendmsg+0x8c/0x100
[   17.300493]  [<ffffffff81681e3e>] ? copy_msghdr_from_user+0x15e/0x1f0
[   17.302173]  [<ffffffff81682aeb>] ___sys_sendmsg+0x30b/0x320
[   17.303798]  [<ffffffff81021ab5>] ? native_sched_clock+0x35/0xa0
[   17.305431]  [<ffffffff810bdee0>] ? cpuacct_account_field+0x80/0xb0
[   17.307085]  [<ffffffff81021ab5>] ? native_sched_clock+0x35/0xa0
[   17.308744]  [<ffffffff810a4f35>] ? sched_clock_local+0x25/0x90
[   17.310375]  [<ffffffff810a5dc1>] ? vtime_account_user+0x91/0xa0
[   17.311948]  [<ffffffff810a5198>] ? sched_clock_cpu+0xb8/0xe0
[   17.313509]  [<ffffffff810bf8be>] ? put_lock_stats.isra.26+0xe/0x30
[   17.315069]  [<ffffffff810c007e>] ? lock_release_holdtime.part.27+0x12e/0x1b0
[   17.316618]  [<ffffffff810a5dc1>] ? vtime_account_user+0x91/0xa0
[   17.318162]  [<ffffffff8109f5d1>] ? get_parent_ip+0x11/0x50
[   17.319703]  [<ffffffff8109f699>] ? preempt_count_sub+0x49/0x50
[   17.321235]  [<ffffffff811807e5>] ? context_tracking_user_exit+0x55/0x130
[   17.322732]  [<ffffffff811807e5>] ? context_tracking_user_exit+0x55/0x130
[   17.324197]  [<ffffffff816834f2>] __sys_sendmsg+0x42/0x80
[   17.325634]  [<ffffffff81683542>] SyS_sendmsg+0x12/0x20
[   17.327048]  [<ffffffff817ba12d>] system_call_fastpath+0x16/0x1b
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