Another one triggered by a Fedora-development user..
e100: eth1: e100_watchdog: link up, 100Mbps, half-duplex
=========================================================
[ INFO: possible irq lock inversion dependency detected ]
---------------------------------------------------------
ipcalc/1671 just changed the state of lock:
(&skb_queue_lock_key){-+..}, at: [<c05ebe2f>] udp_ioctl+0x3b/0x6e
but this lock was taken by another, hard-irq-safe lock in the past:
(&ai->aux_lock){+...}
and interrupts could create inverse lock ordering between them.
other info that might help us debug this:
no locks held by ipcalc/1671.
the first lock's dependencies:
-> (&skb_queue_lock_key){-+..} ops: 0 {
initial-use at:
[<c043c546>] lock_acquire+0x4b/0x6d
[<c060e5c7>] _spin_lock_irqsave+0x22/0x32
[<c05b0d2d>] skb_queue_tail+0x14/0x32
[<c05c8a53>] netlink_broadcast+0x1bf/0x28e
[<c04e414b>] kobject_uevent+0x345/0x3b6
[<c055080d>] class_device_add+0x2a7/0x3e6
[<c0594d0c>] input_register_device+0x106/0x238
[<c059947a>] psmouse_connect+0x162/0x20f
[<c0590a09>] serio_connect_driver+0x1e/0x2e
[<c0590a2f>] serio_driver_probe+0x16/0x18
[<c054f9a6>] driver_probe_device+0x45/0x92
[<c054fad3>] __driver_attach+0x68/0x93
[<c054f420>] bus_for_each_dev+0x3a/0x5f
[<c054f901>] driver_attach+0x14/0x17
[<c054f0f7>] bus_add_driver+0x68/0x106
[<c054fda1>] driver_register+0x9d/0xa2
[<c0591522>] serio_thread+0x152/0x27c
[<c04365dc>] kthread+0xc3/0xef
[<c0402005>] kernel_thread_helper+0x5/0xb
in-softirq-W at:
[<c043c546>] lock_acquire+0x4b/0x6d
[<c060e5c7>] _spin_lock_irqsave+0x22/0x32
[<c05b0d2d>] skb_queue_tail+0x14/0x32
[<c05b05c4>] sock_queue_rcv_skb+0xe3/0x11f
[<c060adae>] packet_rcv_spkt+0x120/0x136
[<c05b5b86>] netif_receive_skb+0x1d4/0x26b
[<e09fa8e8>] e100_poll+0x15a/0x2fc [e100]
[<c05b7682>] net_rx_action+0xa6/0x1df
[<c0429809>] __do_softirq+0x78/0xf2
[<c04065ab>] do_softirq+0x5a/0xbe
hardirq-on-W at:
[<c043c546>] lock_acquire+0x4b/0x6d
[<c060e2c8>] _spin_lock_bh+0x1e/0x2d
[<c05ebe2f>] udp_ioctl+0x3b/0x6e
[<c05f08e7>] inet_ioctl+0x8c/0x91
[<c05acabc>] sock_ioctl+0x1b5/0x1d3
[<c0481e56>] do_ioctl+0x22/0x67
[<c04820f3>] vfs_ioctl+0x258/0x26b
[<c048214d>] sys_ioctl+0x47/0x62
[<c0403f2f>] syscall_call+0x7/0xb
}
... key at: [<c09b0748>] skb_queue_lock_key+0x0/0x18
the second lock's dependencies:
-> (&ai->aux_lock){+...} ops: 0 {
initial-use at:
[<c043c546>] lock_acquire+0x4b/0x6d
[<c060e5c7>] _spin_lock_irqsave+0x22/0x32
[<e09b6cd8>] mpi_start_xmit+0x79/0xdd [airo]
[<c05b5fc5>] dev_hard_start_xmit+0x19f/0x1fc
[<c05c48d8>] __qdisc_run+0xdd/0x197
[<c05b7a40>] dev_queue_xmit+0x12a/0x222
[<c060a98a>] packet_sendmsg_spkt+0x172/0x199
[<c05ac5df>] sock_sendmsg+0xe8/0x103
[<c05ad7a7>] sys_sendto+0xbe/0xdc
[<c05adf27>] sys_socketcall+0xfb/0x186
[<c0403f2f>] syscall_call+0x7/0xb
in-hardirq-W at:
[<c043c546>] lock_acquire+0x4b/0x6d
[<c060e5c7>] _spin_lock_irqsave+0x22/0x32
[<e09b7b6d>] airo_interrupt+0xe31/0xffb [airo]
[<c0451020>] handle_IRQ_event+0x20/0x4d
[<c04510e1>] __do_IRQ+0x94/0xef
[<c04066c8>] do_IRQ+0xb9/0xcd
[<c04049d1>] common_interrupt+0x25/0x2c
[<c04030aa>] cpu_idle+0xa7/0xc1
[<c0400591>] rest_init+0x23/0x26
[<c07a7810>] start_kernel+0x3a1/0x3a9
[<c0400210>] 0xc0400210
}
... key at: [<e09c2a80>] __key.24227+0x0/0xffff6704 [airo]
-> (&skb_queue_lock_key){-+..} ops: 0 {
initial-use at:
[<c043c546>] lock_acquire+0x4b/0x6d
[<c060e5c7>] _spin_lock_irqsave+0x22/0x32
[<c05b0d2d>] skb_queue_tail+0x14/0x32
[<c05c8a53>] netlink_broadcast+0x1bf/0x28e
[<c04e414b>] kobject_uevent+0x345/0x3b6
[<c055080d>] class_device_add+0x2a7/0x3e6
[<c0594d0c>] input_register_device+0x106/0x238
[<c059947a>] psmouse_connect+0x162/0x20f
[<c0590a09>] serio_connect_driver+0x1e/0x2e
[<c0590a2f>] serio_driver_probe+0x16/0x18
[<c054f9a6>] driver_probe_device+0x45/0x92
[<c054fad3>] __driver_attach+0x68/0x93
[<c054f420>] bus_for_each_dev+0x3a/0x5f
[<c054f901>] driver_attach+0x14/0x17
[<c054f0f7>] bus_add_driver+0x68/0x106
[<c054fda1>] driver_register+0x9d/0xa2
[<c0591522>] serio_thread+0x152/0x27c
[<c04365dc>] kthread+0xc3/0xef
[<c0402005>] kernel_thread_helper+0x5/0xb
in-softirq-W at:
[<c043c546>] lock_acquire+0x4b/0x6d
[<c060e5c7>] _spin_lock_irqsave+0x22/0x32
[<c05b0d2d>] skb_queue_tail+0x14/0x32
[<c05b05c4>] sock_queue_rcv_skb+0xe3/0x11f
[<c060adae>] packet_rcv_spkt+0x120/0x136
[<c05b5b86>] netif_receive_skb+0x1d4/0x26b
[<e09fa8e8>] e100_poll+0x15a/0x2fc [e100]
[<c05b7682>] net_rx_action+0xa6/0x1df
[<c0429809>] __do_softirq+0x78/0xf2
[<c04065ab>] do_softirq+0x5a/0xbe
hardirq-on-W at:
[<c043c546>] lock_acquire+0x4b/0x6d
[<c060e2c8>] _spin_lock_bh+0x1e/0x2d
[<c05ebe2f>] udp_ioctl+0x3b/0x6e
[<c05f08e7>] inet_ioctl+0x8c/0x91
[<c05acabc>] sock_ioctl+0x1b5/0x1d3
[<c0481e56>] do_ioctl+0x22/0x67
[<c04820f3>] vfs_ioctl+0x258/0x26b
[<c048214d>] sys_ioctl+0x47/0x62
[<c0403f2f>] syscall_call+0x7/0xb
}
... key at: [<c09b0748>] skb_queue_lock_key+0x0/0x18
... acquired at:
[<c043c546>] lock_acquire+0x4b/0x6d
[<c060e5c7>] _spin_lock_irqsave+0x22/0x32
[<c05b0d2d>] skb_queue_tail+0x14/0x32
[<e09b6ce8>] mpi_start_xmit+0x89/0xdd [airo]
[<c05b5fc5>] dev_hard_start_xmit+0x19f/0x1fc
[<c05c48d8>] __qdisc_run+0xdd/0x197
[<c05b7a40>] dev_queue_xmit+0x12a/0x222
[<c060a98a>] packet_sendmsg_spkt+0x172/0x199
[<c05ac5df>] sock_sendmsg+0xe8/0x103
[<c05ad7a7>] sys_sendto+0xbe/0xdc
[<c05adf27>] sys_socketcall+0xfb/0x186
[<c0403f2f>] syscall_call+0x7/0xb
stack backtrace:
[<c0405167>] show_trace_log_lvl+0x54/0xfd
[<c040571e>] show_trace+0xd/0x10
[<c040583d>] dump_stack+0x19/0x1b
[<c043aa70>] print_irq_inversion_bug+0xe1/0xee
[<c043ab6e>] check_usage_backwards+0x32/0x3b
[<c043ae49>] mark_lock+0x217/0x36a
[<c043ba86>] __lock_acquire+0x43e/0x98d
[<c043c546>] lock_acquire+0x4b/0x6d
[<c060e2c8>] _spin_lock_bh+0x1e/0x2d
[<c05ebe2f>] udp_ioctl+0x3b/0x6e
[<c05f08e7>] inet_ioctl+0x8c/0x91
[<c05acabc>] sock_ioctl+0x1b5/0x1d3
[<c0481e56>] do_ioctl+0x22/0x67
[<c04820f3>] vfs_ioctl+0x258/0x26b
[<c048214d>] sys_ioctl+0x47/0x62
[<c0403f2f>] syscall_call+0x7/0xb
--
http://www.codemonkey.org.uk
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
