On Thu, 2012-04-05 at 22:08 +0200, Maciej Rutecki wrote: > Dmesg when CONFIG_LOCKDEP is set: > > http://mrutecki.pl/download/kernel/3.4-rc1/netdev_resume/dmesg-lockdep.txt Looks like rtl8169's fault: [ 240.541718] 2 locks held by ifconfig/4964: [ 240.541722] #0: (rtnl_mutex){+.+.+.}, at: [<ffffffff8138c86c>] rtnl_lock+0x12/0x14 [ 240.541737] #1: (&tp->wk.mutex){+.+...}, at: [<ffffffffa00c1556>] rtl_lock_work+0x12/0x14 [r8169] [ 360.350345] INFO: task nmbd:2378 blocked for more than 120 seconds. [ 360.353186] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 360.356124] nmbd D ffffffff81a76ab8 0 2378 1 0x00000000 [ 360.359078] ffff88022f573ab8 0000000000000046 ffff880233aa8040 ffff88022f573fd8 [ 360.362098] ffff88022f573fd8 0000000000013a40 ffff8802351b8040 ffff880233aa8040 [ 360.365170] ffffffff814532aa 000000001e3e7680 ffffffff81a76ab0 ffff880233aa8040 [ 360.368208] Call Trace: [ 360.371129] [<ffffffff814532aa>] ? __mutex_lock_common+0x230/0x36e [ 360.374159] [<ffffffff814543ca>] schedule+0x5f/0x61 [ 360.377195] [<ffffffff8145458e>] schedule_preempt_disabled+0x9/0xb [ 360.380240] [<ffffffff814532b7>] __mutex_lock_common+0x23d/0x36e [ 360.383262] [<ffffffff8138c86c>] ? rtnl_lock+0x12/0x14 [ 360.386260] [<ffffffff8139fe60>] ? netlink_lookup+0x2b/0x7e [ 360.389279] [<ffffffff8138c86c>] ? rtnl_lock+0x12/0x14 [ 360.392352] [<ffffffff814534a7>] mutex_lock_nested+0x2a/0x31 [ 360.395393] [<ffffffff8138c86c>] rtnl_lock+0x12/0x14 [ 360.398376] [<ffffffff8138c87f>] rtnetlink_rcv+0x11/0x28 [ 360.401292] [<ffffffff813a1d9a>] netlink_unicast+0xe7/0x151 [ 360.404192] [<ffffffff813a2002>] netlink_sendmsg+0x1fe/0x236 [ 360.407089] [<ffffffff8136cd79>] sock_sendmsg+0xea/0x10d [ 360.409971] [<ffffffff81080679>] ? lock_acquire+0xef/0xfe [ 360.412825] [<ffffffff810e6bf8>] ? might_fault+0x40/0x90 [ 360.415640] [<ffffffff81080679>] ? lock_acquire+0xef/0xfe [ 360.418447] [<ffffffff810e6bf8>] ? might_fault+0x40/0x90 [ 360.421239] [<ffffffff8108057e>] ? lock_release+0x175/0x181 [ 360.424039] [<ffffffff810e6c41>] ? might_fault+0x89/0x90 [ 360.426896] [<ffffffff8136b5ec>] ? copy_from_user+0x2a/0x2c [ 360.429661] [<ffffffff8136e9e5>] sys_sendto+0x12a/0x16c [ 360.432430] [<ffffffff8107d74f>] ? trace_hardirqs_off_caller +0x33/0x90 [ 360.435219] [<ffffffff81455515>] ? retint_swapgs+0x13/0x1b [ 360.437978] [<ffffffff81080a85>] ? trace_hardirqs_on_caller +0x121/0x158 [ 360.440795] [<ffffffff8121250e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [ 360.443868] [<ffffffff8145acb9>] system_call_fastpath+0x16/0x1b johannes -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
