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 netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html