2009/4/24 Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx>: > 2009/4/22 John W. Linville <linville@xxxxxxxxxxxxx>: >> On Wed, Apr 22, 2009 at 12:33:03PM +0200, Zdenek Kabelac wrote: >>> Hi >>> >>> I'm checking whether -rcX kernel could be usable on my >>> T61/4GB/C2D/x86_64 - but wireless seems to be still out of >>> functionality: >>> I'm getting lots of weird trace-back messages and it looks like >>> iwl3945 is not working at all. >>> (attached messages from fresh build of -rc3 - but it never worked even in -rc1) >> >> Looks like this one did _not_ make -rc3: >> >> commit df833b1d73680f9f9dc72cbc3215edbbc6ab740d >> Author: Reinette Chatre <reinette.chatre@xxxxxxxxx> >> Date: Tue Apr 21 10:55:48 2009 -0700 >> >> iwlwifi: DMA fixes >> >> A few issues wrt DMA were uncovered when using the driver with swiotlb. >> ... >> >> It is in wireless-2.6 and should be in net-2.6 -- please try one of those kernels. > > > I can confirm that current upstream linux commit > 9f5a691253924fd033a58c6b1fed57bb0a4eccf4 works again with iwlwifi. > and it already contains the patch you suggested to check. > While Wifi seems to be working well - I've noticed once attached long INFO message during suspend. Zdenek ----------- Linux version 2.6.30-rc3-00324-g8087eae (gcc version 4.4.0 20090414 (Red Hat 4.4.0-0.34) (GCC) ) #55 SMP Fri Apr 24 20:22:26 CEST 2009 Command line: ro root=/dev/sda5 selinux=0 no_console_suspend ... ADDRCONF(NETDEV_UP): wlan0: link is not ready virbr0: no IPv6 routers present wlan0: authenticate with AP 00:11:d8:da:65:40 wlan0: authenticated wlan0: associate with AP 00:11:d8:da:65:40 wlan0: RX AssocResp from 00:11:d8:da:65:40 (capab=0x401 status=0 aid=4) wlan0: associated ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan0: disassociating by local choice (reason=3) audit(1240599276.009:18266): audit_enabled=0 old=1 auid=4294967295 ses=4294967295 res=1 wlan0: no IPv6 routers present fuse init (API version 7.11) wlan0: authenticate with AP 00:11:d8:da:65:40 wlan0: authenticated wlan0: associate with AP 00:11:d8:da:65:40 wlan0: RX AssocResp from 00:11:d8:da:65:40 (capab=0x401 status=0 aid=4) wlan0: associated wlan0: no probe response from AP 00:11:d8:da:65:40 - disassociating wlan0: deauthenticated (Reason: 7) wlan0: authenticate with AP 00:11:d8:da:65:40 wlan0: authenticate with AP 00:11:d8:da:65:40 wlan0: authenticate with AP 00:11:d8:da:65:40 wlan0: authenticated wlan0: associate with AP 00:11:d8:da:65:40 wlan0: RX ReassocResp from 00:11:d8:da:65:40 (capab=0x401 status=0 aid=4) wlan0: associated .......... ========================================================= [ INFO: possible irq lock inversion dependency detected ] 2.6.30-rc3-00324-g8087eae #55 --------------------------------------------------------- swapper/0 just changed the state of lock: (&(&priv->scan_check)->timer){+.-...}, at: [<ffffffff80250d90>] run_timer_softirq+0x120/0x2e0 but this lock was taken by another, HARDIRQ-safe lock in the past: (&priv->lock){-.-...} and interrupts could create inverse lock ordering between them. other info that might help us debug this: 1 lock held by swapper/0: #0: (rcu_read_lock){.+.+..}, at: [<ffffffff8055cf50>] __atomic_notifier_call_chain+0x0/0xa0 the first lock's dependencies: -> (&(&priv->scan_check)->timer){+.-...} ops: 0 { HARDIRQ-ON-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80251771>] del_timer_sync+0x41/0xa0 [<ffffffffa026f78d>] iwl3945_mac_add_interface+0x14d/0x420 [iwl3945] [<ffffffffa0125598>] ieee80211_open+0x408/0x920 [mac80211] [<ffffffff804d02fa>] dev_open+0x9a/0x100 [<ffffffff804cfdb6>] dev_change_flags+0x96/0x1c0 [<ffffffff804dbfe2>] do_setlink+0x212/0x4a0 [<ffffffff804dc882>] rtnl_setlink+0x122/0x160 [<ffffffff804dbb1f>] rtnetlink_rcv_msg+0x1df/0x220 [<ffffffff804e7409>] netlink_rcv_skb+0xa9/0xd0 [<ffffffff804db925>] rtnetlink_rcv+0x25/0x40 [<ffffffff804e708a>] netlink_unicast+0x29a/0x2f0 [<ffffffff804e7e82>] netlink_sendmsg+0x222/0x320 [<ffffffff804befdb>] sock_sendmsg+0x10b/0x140 [<ffffffff804bfa90>] sys_sendmsg+0x1d0/0x330 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffffa0290a64>] __key.46148+0x0/0xffffffffffff27ff [iwl3945] the second lock's dependencies: -> (&priv->lock){-.-...} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffffa0226204>] iwl_reset_qos+0x24/0x2c0 [iwlcore] [<ffffffffa026c5d8>] iwl3945_pci_probe+0x348/0x1080 [iwl3945] [<ffffffff803c9067>] local_pci_probe+0x17/0x20 [<ffffffff803ca248>] pci_device_probe+0x88/0xb0 [<ffffffff80453e39>] driver_probe_device+0x89/0x180 [<ffffffff80453fcb>] __driver_attach+0x9b/0xb0 [<ffffffff804532c3>] bus_for_each_dev+0x73/0xa0 [<ffffffff80453c8e>] driver_attach+0x1e/0x20 [<ffffffff80453595>] bus_add_driver+0xd5/0x290 [<ffffffff804542d6>] driver_register+0x86/0x140 [<ffffffff803ca4f6>] __pci_register_driver+0x66/0xe0 [<ffffffffa00b305c>] 0xffffffffa00b305c [<ffffffff8020904f>] do_one_initcall+0x3f/0x1c0 [<ffffffff8027e071>] sys_init_module+0xb1/0x200 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffffa0290a5c>] __key.46201+0x0/0xffffffffffff2807 [iwl3945] -> (pci_lock){-.....} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff803c2442>] pci_bus_read_config_dword+0x42/0x90 [<ffffffff8054765c>] pci_scan_single_device+0x6c/0x170 [<ffffffff803c43be>] pci_scan_slot+0x1e/0xc0 [<ffffffff80549939>] pci_scan_child_bus+0x29/0x9d [<ffffffff805499d0>] pci_scan_bus_parented+0x23/0x31 [<ffffffff8054e37e>] pci_acpi_scan_root+0x10c/0x2c6 [<ffffffff8054b94b>] acpi_pci_root_add+0x2c2/0x3f7 [<ffffffff803eab35>] acpi_device_probe+0x50/0x1c4 [<ffffffff80453e39>] driver_probe_device+0x89/0x180 [<ffffffff80453fcb>] __driver_attach+0x9b/0xb0 [<ffffffff804532c3>] bus_for_each_dev+0x73/0xa0 [<ffffffff80453c8e>] driver_attach+0x1e/0x20 [<ffffffff80453595>] bus_add_driver+0xd5/0x290 [<ffffffff804542d6>] driver_register+0x86/0x140 [<ffffffff803ec46f>] acpi_bus_register_driver+0x43/0x48 [<ffffffff80787150>] acpi_pci_root_init+0x19/0x28 [<ffffffff8020904f>] do_one_initcall+0x3f/0x1c0 [<ffffffff807686c0>] kernel_init+0x13a/0x190 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff807146d8>] pci_lock+0x18/0x40 -> (pci_config_lock){-.....} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff804bac30>] pci_conf1_read+0x80/0x120 [<ffffffff8078de2f>] __pci_mmcfg_init+0x92/0x308 [<ffffffff8078e0c0>] pci_mmcfg_early_init+0xe/0x10 [<ffffffff8078d663>] pci_arch_init+0x1e/0x58 [<ffffffff8020904f>] do_one_initcall+0x3f/0x1c0 [<ffffffff807686c0>] kernel_init+0x13a/0x190 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff8072c938>] pci_config_lock+0x18/0x60 ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff804bac30>] pci_conf1_read+0x80/0x120 [<ffffffff804bc492>] raw_pci_read+0x52/0x60 [<ffffffff804bc52c>] pci_read+0x2c/0x30 [<ffffffff803c2460>] pci_bus_read_config_dword+0x60/0x90 [<ffffffff8054765c>] pci_scan_single_device+0x6c/0x170 [<ffffffff803c43be>] pci_scan_slot+0x1e/0xc0 [<ffffffff80549939>] pci_scan_child_bus+0x29/0x9d [<ffffffff805499d0>] pci_scan_bus_parented+0x23/0x31 [<ffffffff8054e37e>] pci_acpi_scan_root+0x10c/0x2c6 [<ffffffff8054b94b>] acpi_pci_root_add+0x2c2/0x3f7 [<ffffffff803eab35>] acpi_device_probe+0x50/0x1c4 [<ffffffff80453e39>] driver_probe_device+0x89/0x180 [<ffffffff80453fcb>] __driver_attach+0x9b/0xb0 [<ffffffff804532c3>] bus_for_each_dev+0x73/0xa0 [<ffffffff80453c8e>] driver_attach+0x1e/0x20 [<ffffffff80453595>] bus_add_driver+0xd5/0x290 [<ffffffff804542d6>] driver_register+0x86/0x140 [<ffffffff803ec46f>] acpi_bus_register_driver+0x43/0x48 [<ffffffff80787150>] acpi_pci_root_init+0x19/0x28 [<ffffffff8020904f>] do_one_initcall+0x3f/0x1c0 [<ffffffff807686c0>] kernel_init+0x13a/0x190 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff803c24d2>] pci_bus_read_config_word+0x42/0x90 [<ffffffff803c4e7e>] __pci_bus_find_cap_start+0x1e/0x50 [<ffffffff803c4fba>] pci_find_capability+0x2a/0x60 [<ffffffffa022cf54>] iwl_power_initialize+0xb4/0x210 [iwlcore] [<ffffffffa027d5da>] iwl3945_apm_init+0x1a/0x670 [iwl3945] [<ffffffffa027f5af>] iwl3945_hw_nic_init+0x3f/0xd60 [iwl3945] [<ffffffffa02763d5>] __iwl3945_up+0xb5/0x750 [iwl3945] [<ffffffffa0276f08>] iwl3945_mac_start+0x438/0x1440 [iwl3945] [<ffffffffa0125419>] ieee80211_open+0x289/0x920 [mac80211] [<ffffffff804d02fa>] dev_open+0x9a/0x100 [<ffffffff804cfdb6>] dev_change_flags+0x96/0x1c0 [<ffffffff804dbfe2>] do_setlink+0x212/0x4a0 [<ffffffff804dc882>] rtnl_setlink+0x122/0x160 [<ffffffff804dbb1f>] rtnetlink_rcv_msg+0x1df/0x220 [<ffffffff804e7409>] netlink_rcv_skb+0xa9/0xd0 [<ffffffff804db925>] rtnetlink_rcv+0x25/0x40 [<ffffffff804e708a>] netlink_unicast+0x29a/0x2f0 [<ffffffff804e7e82>] netlink_sendmsg+0x222/0x320 [<ffffffff804befdb>] sock_sendmsg+0x10b/0x140 [<ffffffff804bfa90>] sys_sendmsg+0x1d0/0x330 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff -> (&rxq->lock){..-...} ops: 0 { IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffffa026fbec>] iwl3945_rx_allocate+0x2c/0x1e0 [iwl3945] [<ffffffffa026fdc1>] iwl3945_rx_replenish+0x21/0x60 [iwl3945] [<ffffffffa027f659>] iwl3945_hw_nic_init+0xe9/0xd60 [iwl3945] [<ffffffffa02763d5>] __iwl3945_up+0xb5/0x750 [iwl3945] [<ffffffffa0276f08>] iwl3945_mac_start+0x438/0x1440 [iwl3945] [<ffffffffa0125419>] ieee80211_open+0x289/0x920 [mac80211] [<ffffffff804d02fa>] dev_open+0x9a/0x100 [<ffffffff804cfdb6>] dev_change_flags+0x96/0x1c0 [<ffffffff804dbfe2>] do_setlink+0x212/0x4a0 [<ffffffff804dc882>] rtnl_setlink+0x122/0x160 [<ffffffff804dbb1f>] rtnetlink_rcv_msg+0x1df/0x220 [<ffffffff804e7409>] netlink_rcv_skb+0xa9/0xd0 [<ffffffff804db925>] rtnetlink_rcv+0x25/0x40 [<ffffffff804e708a>] netlink_unicast+0x29a/0x2f0 [<ffffffff804e7e82>] netlink_sendmsg+0x222/0x320 [<ffffffff804befdb>] sock_sendmsg+0x10b/0x140 [<ffffffff804bfa90>] sys_sendmsg+0x1d0/0x330 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffffa0253254>] __key.39781+0x0/0xfffffffffffea608 [iwlcore] -> (io_tlb_lock){-.-...} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff803c0814>] map_single+0xa4/0x260 [<ffffffff803c0b5d>] swiotlb_map_sg_attrs+0x7d/0x1a0 [<ffffffff80478a0f>] ata_qc_issue+0x10f/0x300 [<ffffffff8047e756>] ata_scsi_translate+0xa6/0x180 [<ffffffff8048138f>] ata_scsi_queuecmd+0xbf/0x2d0 [<ffffffff8045bdc7>] scsi_dispatch_cmd+0x197/0x2c0 [<ffffffff80462fb4>] scsi_request_fn+0x3c4/0x520 [<ffffffff8039dcd5>] __generic_unplug_device+0x35/0x40 [<ffffffff803a2a30>] blk_execute_rq_nowait+0x70/0xc0 [<ffffffff803a2afa>] blk_execute_rq+0x7a/0xe0 [<ffffffff8046457c>] scsi_execute+0xfc/0x160 [<ffffffff804647ba>] scsi_execute_req+0xaa/0x180 [<ffffffff80465b6a>] scsi_probe_and_add_lun+0x24a/0xe90 [<ffffffff80467b4a>] __scsi_add_device+0x10a/0x110 [<ffffffff8047fccb>] ata_scsi_scan_host+0x13b/0x1d0 [<ffffffff8047c7dc>] async_port_probe+0xac/0xe0 [<ffffffff80265888>] async_thread+0x108/0x260 [<ffffffff8025e61a>] kthread+0x5a/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff80714698>] io_tlb_lock+0x18/0x40 ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff803c0814>] map_single+0xa4/0x260 [<ffffffff803c0d62>] swiotlb_map_page+0xd2/0x1a0 [<ffffffffa026fc73>] iwl3945_rx_allocate+0xb3/0x1e0 [iwl3945] [<ffffffffa026fdc1>] iwl3945_rx_replenish+0x21/0x60 [iwl3945] [<ffffffffa027f659>] iwl3945_hw_nic_init+0xe9/0xd60 [iwl3945] [<ffffffffa02763d5>] __iwl3945_up+0xb5/0x750 [iwl3945] [<ffffffffa0276f08>] iwl3945_mac_start+0x438/0x1440 [iwl3945] [<ffffffffa0125419>] ieee80211_open+0x289/0x920 [mac80211] [<ffffffff804d02fa>] dev_open+0x9a/0x100 [<ffffffff804cfdb6>] dev_change_flags+0x96/0x1c0 [<ffffffff804dbfe2>] do_setlink+0x212/0x4a0 [<ffffffff804dc882>] rtnl_setlink+0x122/0x160 [<ffffffff804dbb1f>] rtnetlink_rcv_msg+0x1df/0x220 [<ffffffff804e7409>] netlink_rcv_skb+0xa9/0xd0 [<ffffffff804db925>] rtnetlink_rcv+0x25/0x40 [<ffffffff804e708a>] netlink_unicast+0x29a/0x2f0 [<ffffffff804e7e82>] netlink_sendmsg+0x222/0x320 [<ffffffff804befdb>] sock_sendmsg+0x10b/0x140 [<ffffffff804bfa90>] sys_sendmsg+0x1d0/0x330 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff -> (&zone->lock){..-...} ops: 0 { IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff802ba6d2>] free_pages_bulk.clone.1+0x32/0x270 [<ffffffff802bab29>] free_hot_cold_page+0x219/0x2a0 [<ffffffff802bac30>] free_hot_page+0x10/0x20 [<ffffffff802bac75>] __free_pages+0x35/0x40 [<ffffffff80795063>] __free_pages_bootmem+0x24/0x69 [<ffffffff8077e740>] free_all_bootmem_core+0xf7/0x1c5 [<ffffffff8077e81e>] free_all_bootmem+0x10/0x12 [<ffffffff80778d95>] mem_init+0x1e/0x161 [<ffffffff80768c19>] start_kernel+0x2cd/0x37b [<ffffffff80768315>] x86_64_start_reservations+0x125/0x129 [<ffffffff807683fd>] x86_64_start_kernel+0xe4/0xeb [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff81164260>] __key.31011+0x0/0x8 ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff802b9371>] get_page_from_freelist+0x561/0x5e0 [<ffffffff802b94dd>] __alloc_pages_internal+0xed/0x4f0 [<ffffffff802df548>] __slab_alloc+0x138/0x4a0 [<ffffffff802dff2d>] __kmalloc_track_caller+0x15d/0x1c0 [<ffffffff804c6884>] __alloc_skb+0x74/0x170 [<ffffffffa026fcd8>] iwl3945_rx_allocate+0x118/0x1e0 [iwl3945] [<ffffffffa026fdc1>] iwl3945_rx_replenish+0x21/0x60 [iwl3945] [<ffffffffa027f659>] iwl3945_hw_nic_init+0xe9/0xd60 [iwl3945] [<ffffffffa02763d5>] __iwl3945_up+0xb5/0x750 [iwl3945] [<ffffffffa0276f08>] iwl3945_mac_start+0x438/0x1440 [iwl3945] [<ffffffffa0125419>] ieee80211_open+0x289/0x920 [mac80211] [<ffffffff804d02fa>] dev_open+0x9a/0x100 [<ffffffff804cfdb6>] dev_change_flags+0x96/0x1c0 [<ffffffff804dbfe2>] do_setlink+0x212/0x4a0 [<ffffffff804dc882>] rtnl_setlink+0x122/0x160 [<ffffffff804dbb1f>] rtnetlink_rcv_msg+0x1df/0x220 [<ffffffff804e7409>] netlink_rcv_skb+0xa9/0xd0 [<ffffffff804db925>] rtnetlink_rcv+0x25/0x40 [<ffffffff804e708a>] netlink_unicast+0x29a/0x2f0 [<ffffffff804e7e82>] netlink_sendmsg+0x222/0x320 [<ffffffff804befdb>] sock_sendmsg+0x10b/0x140 [<ffffffff804bfa90>] sys_sendmsg+0x1d0/0x330 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff -> (&n->list_lock){-.-...} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff802de987>] add_partial+0x27/0x90 [<ffffffff802dec0c>] __slab_free+0x8c/0xf0 [<ffffffff802df377>] kmem_cache_free+0xf7/0x130 [<ffffffff803e7732>] acpi_os_release_object+0xe/0x12 [<ffffffff8040c2cb>] acpi_ps_free_op+0x69/0x70 [<ffffffff8040bf3b>] acpi_ps_delete_parse_tree+0x43/0x60 [<ffffffff8040b263>] acpi_ps_complete_this_op+0x183/0x194 [<ffffffff8040b2a2>] acpi_ps_complete_op+0x2e/0x2b7 [<ffffffff8040bca1>] acpi_ps_parse_loop+0x776/0x901 [<ffffffff8040ad14>] acpi_ps_parse_aml+0x10f/0x3e6 [<ffffffff80409ae6>] acpi_ns_one_complete_parse+0x13a/0x157 [<ffffffff80409b51>] acpi_ns_parse_table+0x4e/0x91 [<ffffffff804061a1>] acpi_ns_load_table+0x7d/0x118 [<ffffffff8040e17b>] acpi_load_tables+0x72/0x15f [<ffffffff80786c2c>] acpi_early_init+0x60/0xf5 [<ffffffff80768cb1>] start_kernel+0x365/0x37b [<ffffffff80768315>] x86_64_start_reservations+0x125/0x129 [<ffffffff807683fd>] x86_64_start_kernel+0xe4/0xeb [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff811664e0>] __key.25156+0x0/0x8 ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff802df6f4>] __slab_alloc+0x2e4/0x4a0 [<ffffffff802dfa17>] kmem_cache_alloc+0x167/0x170 [<ffffffff804c685a>] __alloc_skb+0x4a/0x170 [<ffffffffa026fcd8>] iwl3945_rx_allocate+0x118/0x1e0 [iwl3945] [<ffffffffa026fdc1>] iwl3945_rx_replenish+0x21/0x60 [iwl3945] [<ffffffffa027f659>] iwl3945_hw_nic_init+0xe9/0xd60 [iwl3945] [<ffffffffa02763d5>] __iwl3945_up+0xb5/0x750 [iwl3945] [<ffffffffa0276f08>] iwl3945_mac_start+0x438/0x1440 [iwl3945] [<ffffffffa0125419>] ieee80211_open+0x289/0x920 [mac80211] [<ffffffff804d02fa>] dev_open+0x9a/0x100 [<ffffffff804cfdb6>] dev_change_flags+0x96/0x1c0 [<ffffffff804dbfe2>] do_setlink+0x212/0x4a0 [<ffffffff804dc882>] rtnl_setlink+0x122/0x160 [<ffffffff804dbb1f>] rtnetlink_rcv_msg+0x1df/0x220 [<ffffffff804e7409>] netlink_rcv_skb+0xa9/0xd0 [<ffffffff804db925>] rtnetlink_rcv+0x25/0x40 [<ffffffff804e708a>] netlink_unicast+0x29a/0x2f0 [<ffffffff804e7e82>] netlink_sendmsg+0x222/0x320 [<ffffffff804befdb>] sock_sendmsg+0x10b/0x140 [<ffffffff804bfa90>] sys_sendmsg+0x1d0/0x330 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffffa026bd8f>] iwl3945_rx_queue_restock+0x2f/0x170 [iwl3945] [<ffffffffa026fddc>] iwl3945_rx_replenish+0x3c/0x60 [iwl3945] [<ffffffffa027f659>] iwl3945_hw_nic_init+0xe9/0xd60 [iwl3945] [<ffffffffa02763d5>] __iwl3945_up+0xb5/0x750 [iwl3945] [<ffffffffa0276f08>] iwl3945_mac_start+0x438/0x1440 [iwl3945] [<ffffffffa0125419>] ieee80211_open+0x289/0x920 [mac80211] [<ffffffff804d02fa>] dev_open+0x9a/0x100 [<ffffffff804cfdb6>] dev_change_flags+0x96/0x1c0 [<ffffffff804dbfe2>] do_setlink+0x212/0x4a0 [<ffffffff804dc882>] rtnl_setlink+0x122/0x160 [<ffffffff804dbb1f>] rtnetlink_rcv_msg+0x1df/0x220 [<ffffffff804e7409>] netlink_rcv_skb+0xa9/0xd0 [<ffffffff804db925>] rtnetlink_rcv+0x25/0x40 [<ffffffff804e708a>] netlink_unicast+0x29a/0x2f0 [<ffffffff804e7e82>] netlink_sendmsg+0x222/0x320 [<ffffffff804befdb>] sock_sendmsg+0x10b/0x140 [<ffffffff804bfa90>] sys_sendmsg+0x1d0/0x330 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffffffffffff>] 0xffffffffffffffff -> (&base->lock){-.-...} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff8025118c>] lock_timer_base+0x3c/0x70 [<ffffffff802519b7>] mod_timer+0x57/0x120 [<ffffffff807891b2>] con_init+0xc3/0x24c [<ffffffff8078892d>] console_init+0x19/0x2a [<ffffffff80768b73>] start_kernel+0x227/0x37b [<ffffffff80768315>] x86_64_start_reservations+0x125/0x129 [<ffffffff807683fd>] x86_64_start_kernel+0xe4/0xeb [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff809e7358>] __key.23674+0x0/0x8 ... acquired at: [<ffffffffffffffff>] 0xffffffffffffffff -> (&q->lock){-.-.-.} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-RECLAIM_FS-W at: [<ffffffff80271eba>] __lock_acquire+0x39a/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff8025ecfa>] prepare_to_wait+0x2a/0x80 [<ffffffff802c1bd0>] kswapd+0x100/0x750 [<ffffffff8025e61a>] kthread+0x5a/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559fac>] _spin_lock_irq+0x3c/0x80 [<ffffffff8055723d>] wait_for_common+0x4d/0x190 [<ffffffff8055743d>] wait_for_completion+0x1d/0x20 [<ffffffff8025e8b5>] kthread_create+0xb5/0x150 [<ffffffff805539c2>] migration_call+0x4a/0x4de [<ffffffff8077a252>] migration_init+0x27/0x5b [<ffffffff8020904f>] do_one_initcall+0x3f/0x1c0 [<ffffffff807685ea>] kernel_init+0x64/0x190 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff809e7ac8>] __key.18195+0x0/0x18 -> (&rq->lock){-.-.-.} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-RECLAIM_FS-W at: [<ffffffff80271eba>] __lock_acquire+0x39a/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff80236722>] task_rq_lock+0x52/0x90 [<ffffffff80241b8f>] set_cpus_allowed_ptr+0x2f/0x150 [<ffffffff802c1b49>] kswapd+0x79/0x750 [<ffffffff8025e61a>] kthread+0x5a/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff80237e5b>] rq_attach_root+0x2b/0x110 [<ffffffff8077a519>] sched_init+0x293/0x3c5 [<ffffffff80768a91>] start_kernel+0x145/0x37b [<ffffffff80768315>] x86_64_start_reservations+0x125/0x129 [<ffffffff807683fd>] x86_64_start_kernel+0xe4/0xeb [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff809a2458>] __key.49600+0x0/0x8 -> (&vec->lock){..-...} ops: 0 { IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff802b2cac>] cpupri_set+0xec/0x190 [<ffffffff80237713>] rq_online_rt+0x73/0x80 [<ffffffff802356be>] set_rq_online+0x4e/0x70 [<ffffffff80237f18>] rq_attach_root+0xe8/0x110 [<ffffffff8077a519>] sched_init+0x293/0x3c5 [<ffffffff80768a91>] start_kernel+0x145/0x37b [<ffffffff80768315>] x86_64_start_reservations+0x125/0x129 [<ffffffff807683fd>] x86_64_start_kernel+0xe4/0xeb [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff811641d8>] __key.15002+0x0/0x28 ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff802b2cac>] cpupri_set+0xec/0x190 [<ffffffff80237713>] rq_online_rt+0x73/0x80 [<ffffffff802356be>] set_rq_online+0x4e/0x70 [<ffffffff80237f18>] rq_attach_root+0xe8/0x110 [<ffffffff8077a519>] sched_init+0x293/0x3c5 [<ffffffff80768a91>] start_kernel+0x145/0x37b [<ffffffff80768315>] x86_64_start_reservations+0x125/0x129 [<ffffffff807683fd>] x86_64_start_kernel+0xe4/0xeb [<ffffffffffffffff>] 0xffffffffffffffff -> (&rt_b->rt_runtime_lock){..-...} ops: 0 { IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff80241844>] enqueue_task_rt+0x1f4/0x290 [<ffffffff80234b8c>] enqueue_task+0x5c/0x70 [<ffffffff80234cbd>] activate_task+0x2d/0x40 [<ffffffff8023c8c4>] try_to_wake_up+0x204/0x2f0 [<ffffffff8023ca05>] wake_up_process+0x15/0x20 [<ffffffff80553a54>] migration_call+0xdc/0x4de [<ffffffff8077a273>] migration_init+0x48/0x5b [<ffffffff8020904f>] do_one_initcall+0x3f/0x1c0 [<ffffffff807685ea>] kernel_init+0x64/0x190 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff809a2460>] __key.38840+0x0/0x8 -> (&cpu_base->lock){-.-...} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff80262401>] lock_hrtimer_base+0x31/0x60 [<ffffffff802625d2>] __hrtimer_start_range_ns+0x42/0x2b0 [<ffffffff80241892>] enqueue_task_rt+0x242/0x290 [<ffffffff80234b8c>] enqueue_task+0x5c/0x70 [<ffffffff80234cbd>] activate_task+0x2d/0x40 [<ffffffff8023c8c4>] try_to_wake_up+0x204/0x2f0 [<ffffffff8023ca05>] wake_up_process+0x15/0x20 [<ffffffff80553a54>] migration_call+0xdc/0x4de [<ffffffff8077a273>] migration_init+0x48/0x5b [<ffffffff8020904f>] do_one_initcall+0x3f/0x1c0 [<ffffffff807685ea>] kernel_init+0x64/0x190 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff809e7b10>] __key.20525+0x0/0x8 ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff80262401>] lock_hrtimer_base+0x31/0x60 [<ffffffff802625d2>] __hrtimer_start_range_ns+0x42/0x2b0 [<ffffffff80241892>] enqueue_task_rt+0x242/0x290 [<ffffffff80234b8c>] enqueue_task+0x5c/0x70 [<ffffffff80234cbd>] activate_task+0x2d/0x40 [<ffffffff8023c8c4>] try_to_wake_up+0x204/0x2f0 [<ffffffff8023ca05>] wake_up_process+0x15/0x20 [<ffffffff80553a54>] migration_call+0xdc/0x4de [<ffffffff8077a273>] migration_init+0x48/0x5b [<ffffffff8020904f>] do_one_initcall+0x3f/0x1c0 [<ffffffff807685ea>] kernel_init+0x64/0x190 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff -> (&rt_rq->rt_runtime_lock){-.-...} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff80240ad4>] update_curr_rt+0x104/0x180 [<ffffffff802415f4>] dequeue_task_rt+0x24/0x80 [<ffffffff80234c55>] dequeue_task+0xb5/0xf0 [<ffffffff80234cfd>] deactivate_task+0x2d/0x40 [<ffffffff80556a35>] thread_return+0xe7/0x722 [<ffffffff8055707e>] schedule+0xe/0x30 [<ffffffff802421b8>] migration_thread+0x1d8/0x2d0 [<ffffffff8025e61a>] kthread+0x5a/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff809a2468>] __key.49580+0x0/0x8 ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff8023679d>] __enable_runtime+0x3d/0x80 [<ffffffff802376f7>] rq_online_rt+0x57/0x80 [<ffffffff802356be>] set_rq_online+0x4e/0x70 [<ffffffff80553a8f>] migration_call+0x117/0x4de [<ffffffff8055cf18>] notifier_call_chain+0x68/0xa0 [<ffffffff80263b56>] raw_notifier_call_chain+0x16/0x20 [<ffffffff80553fec>] _cpu_up+0xe5/0x134 [<ffffffff8055409a>] cpu_up+0x5f/0x6f [<ffffffff80768643>] kernel_init+0xbd/0x190 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff80241844>] enqueue_task_rt+0x1f4/0x290 [<ffffffff80234b8c>] enqueue_task+0x5c/0x70 [<ffffffff80234cbd>] activate_task+0x2d/0x40 [<ffffffff8023c8c4>] try_to_wake_up+0x204/0x2f0 [<ffffffff8023ca05>] wake_up_process+0x15/0x20 [<ffffffff80553a54>] migration_call+0xdc/0x4de [<ffffffff8077a273>] migration_init+0x48/0x5b [<ffffffff8020904f>] do_one_initcall+0x3f/0x1c0 [<ffffffff807685ea>] kernel_init+0x64/0x190 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff80240ad4>] update_curr_rt+0x104/0x180 [<ffffffff802415f4>] dequeue_task_rt+0x24/0x80 [<ffffffff80234c55>] dequeue_task+0xb5/0xf0 [<ffffffff80234cfd>] deactivate_task+0x2d/0x40 [<ffffffff80556a35>] thread_return+0xe7/0x722 [<ffffffff8055707e>] schedule+0xe/0x30 [<ffffffff802421b8>] migration_thread+0x1d8/0x2d0 [<ffffffff8025e61a>] kthread+0x5a/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff -> (&rq->lock/1){..-...} ops: 0 { IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559e54>] _spin_lock_nested+0x34/0x70 [<ffffffff8023b97a>] double_rq_lock+0x3a/0xa0 [<ffffffff8023ba44>] __migrate_task+0x64/0x120 [<ffffffff80242085>] migration_thread+0xa5/0x2d0 [<ffffffff8025e61a>] kthread+0x5a/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff809a2459>] __key.49600+0x1/0x8 -> (&sig->cputimer.lock){-.-...} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff8025fc9d>] thread_group_cputimer+0x3d/0x100 [<ffffffff8025ffca>] posix_cpu_timers_exit_group+0x1a/0x40 [<ffffffff80248298>] release_task+0x368/0x480 [<ffffffff80248965>] do_exit+0x5b5/0x7c0 [<ffffffff80258f85>] ____call_usermodehelper+0x155/0x160 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff809a45ec>] __key.15894+0x0/0x8 ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff8023b2f3>] update_curr+0x103/0x140 [<ffffffff80240e9f>] enqueue_task_fair+0x5f/0x2f0 [<ffffffff80234b8c>] enqueue_task+0x5c/0x70 [<ffffffff80234cbd>] activate_task+0x2d/0x40 [<ffffffff8023bad4>] __migrate_task+0xf4/0x120 [<ffffffff80242085>] migration_thread+0xa5/0x2d0 [<ffffffff8025e61a>] kthread+0x5a/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559e54>] _spin_lock_nested+0x34/0x70 [<ffffffff8023b97a>] double_rq_lock+0x3a/0xa0 [<ffffffff8023ba44>] __migrate_task+0x64/0x120 [<ffffffff80242085>] migration_thread+0xa5/0x2d0 [<ffffffff8025e61a>] kthread+0x5a/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff8023b2f3>] update_curr+0x103/0x140 [<ffffffff80240e9f>] enqueue_task_fair+0x5f/0x2f0 [<ffffffff80234b8c>] enqueue_task+0x5c/0x70 [<ffffffff80234cbd>] activate_task+0x2d/0x40 [<ffffffff8023c8c4>] try_to_wake_up+0x204/0x2f0 [<ffffffff8023c9c2>] default_wake_function+0x12/0x20 [<ffffffff80235219>] __wake_up_common+0x59/0x90 [<ffffffff802364b6>] complete+0x46/0x60 [<ffffffff8025e52a>] kthreadd+0xba/0x150 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff -> (latency_lock){-.-...} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff80559373>] __account_scheduler_latency+0x93/0x310 [<ffffffff80241125>] enqueue_task_fair+0x2e5/0x2f0 [<ffffffff80234b8c>] enqueue_task+0x5c/0x70 [<ffffffff80234cbd>] activate_task+0x2d/0x40 [<ffffffff8023c8c4>] try_to_wake_up+0x204/0x2f0 [<ffffffff8023c9c2>] default_wake_function+0x12/0x20 [<ffffffff80235219>] __wake_up_common+0x59/0x90 [<ffffffff802365b8>] __wake_up+0x48/0x70 [<ffffffff80289bc0>] audit_log_end+0x120/0x170 [<ffffffff8029200d>] audit_log_exit+0x2ad/0x1110 [<ffffffff802930c4>] audit_syscall_exit+0x254/0x260 [<ffffffff8020c313>] sysret_audit+0x14/0x1e [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff80706258>] latency_lock+0x18/0x40 ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff80559373>] __account_scheduler_latency+0x93/0x310 [<ffffffff80241125>] enqueue_task_fair+0x2e5/0x2f0 [<ffffffff80234b8c>] enqueue_task+0x5c/0x70 [<ffffffff80234cbd>] activate_task+0x2d/0x40 [<ffffffff8023c8c4>] try_to_wake_up+0x204/0x2f0 [<ffffffff8023c9c2>] default_wake_function+0x12/0x20 [<ffffffff80235219>] __wake_up_common+0x59/0x90 [<ffffffff802365b8>] __wake_up+0x48/0x70 [<ffffffff80289bc0>] audit_log_end+0x120/0x170 [<ffffffff8029200d>] audit_log_exit+0x2ad/0x1110 [<ffffffff802930c4>] audit_syscall_exit+0x254/0x260 [<ffffffff8020c313>] sysret_audit+0x14/0x1e [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff80236722>] task_rq_lock+0x52/0x90 [<ffffffff8023c709>] try_to_wake_up+0x49/0x2f0 [<ffffffff8023c9c2>] default_wake_function+0x12/0x20 [<ffffffff80235219>] __wake_up_common+0x59/0x90 [<ffffffff802364b6>] complete+0x46/0x60 [<ffffffff8025e5f9>] kthread+0x39/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff -> (&ep->lock){..-...} ops: 0 { IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff80319167>] sys_epoll_ctl+0x3a7/0x550 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff81167370>] __key.23029+0x0/0x10 ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80559ec6>] _spin_lock+0x36/0x70 [<ffffffff80236722>] task_rq_lock+0x52/0x90 [<ffffffff8023c709>] try_to_wake_up+0x49/0x2f0 [<ffffffff8023c9c2>] default_wake_function+0x12/0x20 [<ffffffff80235219>] __wake_up_common+0x59/0x90 [<ffffffff80235268>] __wake_up_locked+0x18/0x20 [<ffffffff80318d20>] ep_poll_callback+0x90/0x130 [<ffffffff80235219>] __wake_up_common+0x59/0x90 [<ffffffff80236523>] __wake_up_sync_key+0x53/0x80 [<ffffffff804c2929>] sock_def_readable+0x49/0x80 [<ffffffff8053e067>] unix_stream_connect+0x467/0x480 [<ffffffff804bf5d7>] sys_connect+0xa7/0xc0 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff80318cbd>] ep_poll_callback+0x2d/0x130 [<ffffffff80235219>] __wake_up_common+0x59/0x90 [<ffffffff80236523>] __wake_up_sync_key+0x53/0x80 [<ffffffff804c2929>] sock_def_readable+0x49/0x80 [<ffffffff8053e067>] unix_stream_connect+0x467/0x480 [<ffffffff804bf5d7>] sys_connect+0xa7/0xc0 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffffffffffff>] 0xffffffffffffffff -> (&cwq->lock){-.-...} ops: 0 { IN-HARDIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff8025a1b4>] __queue_work+0x24/0x50 [<ffffffff8025a272>] queue_work_on+0x42/0x60 [<ffffffff8025a2cf>] queue_work+0x1f/0x30 [<ffffffff80259192>] call_usermodehelper_exec+0xd2/0xf0 [<ffffffff803b1cc5>] kobject_uevent_env+0x3a5/0x430 [<ffffffff803b1d5b>] kobject_uevent+0xb/0x10 [<ffffffff803b1002>] kset_register+0x52/0x60 [<ffffffff80453832>] bus_register+0xe2/0x2f0 [<ffffffff8078a509>] platform_bus_init+0x29/0x41 [<ffffffff8078a5ba>] driver_init+0x1d/0x29 [<ffffffff807686ad>] kernel_init+0x127/0x190 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffff809e73d4>] __key.24067+0x0/0x8 ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff802365a2>] __wake_up+0x32/0x70 [<ffffffff80259c4a>] insert_work+0x7a/0xc0 [<ffffffff8025a1c6>] __queue_work+0x36/0x50 [<ffffffff8025a272>] queue_work_on+0x42/0x60 [<ffffffff8025a2cf>] queue_work+0x1f/0x30 [<ffffffff80259192>] call_usermodehelper_exec+0xd2/0xf0 [<ffffffff803b1cc5>] kobject_uevent_env+0x3a5/0x430 [<ffffffff803b1d5b>] kobject_uevent+0xb/0x10 [<ffffffff803b1002>] kset_register+0x52/0x60 [<ffffffff80453832>] bus_register+0xe2/0x2f0 [<ffffffff8078a509>] platform_bus_init+0x29/0x41 [<ffffffff8078a5ba>] driver_init+0x1d/0x29 [<ffffffff807686ad>] kernel_init+0x127/0x190 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff8025a1b4>] __queue_work+0x24/0x50 [<ffffffff8025a272>] queue_work_on+0x42/0x60 [<ffffffff8025a2cf>] queue_work+0x1f/0x30 [<ffffffffa023a59d>] iwl_scan_initiate+0xcd/0x2a0 [iwlcore] [<ffffffffa023a87b>] iwl_mac_hw_scan+0x10b/0x390 [iwlcore] [<ffffffffa011ce2c>] ieee80211_start_scan+0x9c/0x310 [mac80211] [<ffffffffa0124412>] ieee80211_sta_work+0x222/0xa70 [mac80211] [<ffffffff80259868>] worker_thread+0x1e8/0x3a0 [<ffffffff8025e61a>] kthread+0x5a/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff -> (&priv->hcmd_lock){..-...} ops: 0 { IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffffa0232b59>] iwl_enqueue_hcmd+0xb9/0x540 [iwlcore] [<ffffffffa022c911>] iwl_send_cmd_sync+0x71/0x4d0 [iwlcore] [<ffffffffa022cda9>] iwl_send_cmd_pdu+0x39/0x40 [iwlcore] [<ffffffffa022657b>] iwl_send_bt_config+0x3b/0x40 [iwlcore] [<ffffffffa02734d9>] iwl3945_bg_alive_start+0x2e9/0x830 [iwl3945] [<ffffffff80259868>] worker_thread+0x1e8/0x3a0 [<ffffffff8025e61a>] kthread+0x5a/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffffa0290a44>] __key.46204+0x0/0xffffffffffff281f [iwl3945] ... acquired at: [<ffffffff80272800>] __lock_acquire+0xce0/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff8055a038>] _spin_lock_irqsave+0x48/0x90 [<ffffffff803c0814>] map_single+0xa4/0x260 [<ffffffff803c0d62>] swiotlb_map_page+0xd2/0x1a0 [<ffffffffa0232cc2>] iwl_enqueue_hcmd+0x222/0x540 [iwlcore] [<ffffffffa022c911>] iwl_send_cmd_sync+0x71/0x4d0 [iwlcore] [<ffffffffa022cda9>] iwl_send_cmd_pdu+0x39/0x40 [iwlcore] [<ffffffffa022657b>] iwl_send_bt_config+0x3b/0x40 [iwlcore] [<ffffffffa02734d9>] iwl3945_bg_alive_start+0x2e9/0x830 [iwl3945] [<ffffffff80259868>] worker_thread+0x1e8/0x3a0 [<ffffffff8025e61a>] kthread+0x5a/0xa0 [<ffffffff8020d23a>] child_rip+0xa/0x20 [<ffffffffffffffff>] 0xffffffffffffffff ... acquired at: [<ffffffffffffffff>] 0xffffffffffffffff -> (&list->lock#7){..-...} ops: 0 { IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffffa0141b88>] __key.19075+0x0/0xffffffffffff25c1 [mac80211] ... acquired at: [<ffffffffffffffff>] 0xffffffffffffffff -> (&(&priv->scan_check)->timer){+.-...} ops: 0 { HARDIRQ-ON-W at: [<ffffffffffffffff>] 0xffffffffffffffff IN-SOFTIRQ-W at: [<ffffffffffffffff>] 0xffffffffffffffff INITIAL USE at: [<ffffffff80271cbe>] __lock_acquire+0x19e/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80251771>] del_timer_sync+0x41/0xa0 [<ffffffffa026f78d>] iwl3945_mac_add_interface+0x14d/0x420 [iwl3945] [<ffffffffa0125598>] ieee80211_open+0x408/0x920 [mac80211] [<ffffffff804d02fa>] dev_open+0x9a/0x100 [<ffffffff804cfdb6>] dev_change_flags+0x96/0x1c0 [<ffffffff804dbfe2>] do_setlink+0x212/0x4a0 [<ffffffff804dc882>] rtnl_setlink+0x122/0x160 [<ffffffff804dbb1f>] rtnetlink_rcv_msg+0x1df/0x220 [<ffffffff804e7409>] netlink_rcv_skb+0xa9/0xd0 [<ffffffff804db925>] rtnetlink_rcv+0x25/0x40 [<ffffffff804e708a>] netlink_unicast+0x29a/0x2f0 [<ffffffff804e7e82>] netlink_sendmsg+0x222/0x320 [<ffffffff804befdb>] sock_sendmsg+0x10b/0x140 [<ffffffff804bfa90>] sys_sendmsg+0x1d0/0x330 [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff } ... key at: [<ffffffffa0290a64>] __key.46148+0x0/0xffffffffffff27ff [iwl3945] ... acquired at: [<ffffffffffffffff>] 0xffffffffffffffff stack backtrace: Pid: 0, comm: swapper Not tainted 2.6.30-rc3-00324-g8087eae #55 Call Trace: <IRQ> [<ffffffff8026fd8f>] print_irq_inversion_bug+0x13f/0x160 [<ffffffff8026fe70>] ? check_usage_backwards+0x0/0xc0 [<ffffffff8026fed5>] check_usage_backwards+0x65/0xc0 [<ffffffff80270a68>] mark_lock+0x1b8/0x430 [<ffffffff80271fe1>] __lock_acquire+0x4c1/0x1100 [<ffffffff80272cb8>] lock_acquire+0x98/0x140 [<ffffffff80250d90>] ? run_timer_softirq+0x120/0x2e0 [<ffffffff8025a1e0>] ? delayed_work_timer_fn+0x0/0x50 [<ffffffff80250e4f>] run_timer_softirq+0x1df/0x2e0 [<ffffffff80250d90>] ? run_timer_softirq+0x120/0x2e0 [<ffffffff8024bb11>] ? __do_softirq+0x61/0x1f0 [<ffffffff8024bb52>] __do_softirq+0xa2/0x1f0 [<ffffffff8020d33c>] call_softirq+0x1c/0x50 [<ffffffff8020e9a5>] do_softirq+0x75/0xc0 [<ffffffff8024b785>] irq_exit+0x95/0xa0 [<ffffffff8055f041>] smp_apic_timer_interrupt+0x71/0x9c [<ffffffff8020cd53>] apic_timer_interrupt+0x13/0x20 <EOI> [<ffffffff80272cd2>] ? lock_acquire+0xb2/0x140 [<ffffffff8055cf50>] ? __atomic_notifier_call_chain+0x0/0xa0 [<ffffffff8026a302>] ? clockevents_notify+0x42/0xb0 [<ffffffff8055cfa1>] ? __atomic_notifier_call_chain+0x51/0xa0 [<ffffffff8055cf50>] ? __atomic_notifier_call_chain+0x0/0xa0 [<ffffffff8055d001>] ? atomic_notifier_call_chain+0x11/0x20 [<ffffffff8020af38>] ? cpu_idle+0x98/0xc0 [<ffffffff80552bee>] ? start_secondary+0x189/0x18e ....... CE: hpet increasing min_delta_ns to 15000 nsec usb 3-1: USB disconnect, address 2 btusb_intr_complete: hci0 urb ffff880138eb4600 failed to resubmit (19) btusb_bulk_complete: hci0 urb ffff880138eb4180 failed to resubmit (19) btusb_bulk_complete: hci0 urb ffff880138eb4000 failed to resubmit (19) btusb_send_frame: hci0 urb ffff880092d6ea80 submission failed wlan0: direct probe to AP 00:11:d8:da:65:40 try 1 wlan0 direct probe responded wlan0: authenticate with AP 00:11:d8:da:65:40 wlan0: authenticated wlan0: associate with AP 00:11:d8:da:65:40 wlan0: RX AssocResp from 00:11:d8:da:65:40 (capab=0x401 status=0 aid=1) wlan0: associated wlan0: disassociating by local choice (reason=3) [drm:i915_get_vblank_counter] *ERROR* trying to get vblank count for disabled pipe 0 PM: Syncing filesystems ... done. Freezing user space processes ... (elapsed 0.00 seconds) done. Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done. -- 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