kobject 'statistics' does not have a release() function, it is broken and must be fixed. Badness in kobject_cleanup at lib/kobject.c:402 Call Trace: [kobject_cleanup+95/133] kobject_cleanup+0x5f/0x85 [netdev_unregister_sysfs+57/59] netdev_unregister_sysfs+0x39/0x3b [netdev_run_todo+262/366] netdev_run_todo+0x106/0x16e [_end+307373442/1069392712] prism2_free_local_data+0x320/0x3c6 [hostap_cs] [_end+307374510/1069392712] prism2_detach+0x81/0x11c [hostap_cs] [_end+307374381/1069392712] prism2_detach+0x0/0x11c [hostap_cs] [unbind_request+200/212] unbind_request+0xc8/0xd4 [ds_ioctl+967/1658] ds_ioctl+0x3c7/0x67a [unix_dgram_sendmsg+1132/1366] unix_dgram_sendmsg+0x46c/0x556 [journal_dirty_metadata+327/519] journal_dirty_metadata+0x147/0x207 [buffered_rmqueue+214/386] buffered_rmqueue+0xd6/0x182 [sock_sendmsg+195/222] sock_sendmsg+0xc3/0xde [__ext3_journal_stop+36/80] __ext3_journal_stop+0x24/0x50 [do_anonymous_page+307/548] do_anonymous_page+0x133/0x224 [autoremove_wake_function+0/79] autoremove_wake_function+0x0/0x4f [schedule+645/1272] schedule+0x285/0x4f8 [zap_pte_range+327/380] zap_pte_range+0x147/0x17c [default_wake_function+0/46] default_wake_function+0x0/0x2e [zap_pmd_range+71/97] zap_pmd_range+0x47/0x61 [unmap_page_range+67/105] unmap_page_range+0x43/0x69 [unmap_vmas+220/521] unmap_vmas+0xdc/0x209 [unmap_region+155/222] unmap_region+0x9b/0xde [unmap_vma+64/125] unmap_vma+0x40/0x7d [unmap_vma_list+28/40] unmap_vma_list+0x1c/0x28 [do_munmap+326/387] do_munmap+0x146/0x183 [ds_ioctl+0/1658] ds_ioctl+0x0/0x67a [sys_ioctl+253/626] sys_ioctl+0xfd/0x272 [sys_munmap+68/100] sys_munmap+0x44/0x64 [syscall_call+7/11] syscall_call+0x7/0xb Device class 'wlan0' does not have a release() function, it is broken and must be fixed. Badness in class_dev_release at drivers/base/class.c:201 Call Trace: [kobject_cleanup+131/133] kobject_cleanup+0x83/0x85 [class_device_unregister+19/35] class_device_unregister+0x13/0x23 [netdev_run_todo+262/366] netdev_run_todo+0x106/0x16e [_end+307373442/1069392712] prism2_free_local_data+0x320/0x3c6 [hostap_cs] [_end+307374510/1069392712] prism2_detach+0x81/0x11c [hostap_cs] [_end+307374381/1069392712] prism2_detach+0x0/0x11c [hostap_cs] [unbind_request+200/212] unbind_request+0xc8/0xd4 [ds_ioctl+967/1658] ds_ioctl+0x3c7/0x67a [unix_dgram_sendmsg+1132/1366] unix_dgram_sendmsg+0x46c/0x556 [journal_dirty_metadata+327/519] journal_dirty_metadata+0x147/0x207 [buffered_rmqueue+214/386] buffered_rmqueue+0xd6/0x182 [sock_sendmsg+195/222] sock_sendmsg+0xc3/0xde [__ext3_journal_stop+36/80] __ext3_journal_stop+0x24/0x50 [do_anonymous_page+307/548] do_anonymous_page+0x133/0x224 [autoremove_wake_function+0/79] autoremove_wake_function+0x0/0x4f [schedule+645/1272] schedule+0x285/0x4f8 [zap_pte_range+327/380] zap_pte_range+0x147/0x17c [default_wake_function+0/46] default_wake_function+0x0/0x2e [zap_pmd_range+71/97] zap_pmd_range+0x47/0x61 [unmap_page_range+67/105] unmap_page_range+0x43/0x69 [unmap_vmas+220/521] unmap_vmas+0xdc/0x209 [unmap_region+155/222] unmap_region+0x9b/0xde [unmap_vma+64/125] unmap_vma+0x40/0x7d [unmap_vma_list+28/40] unmap_vma_list+0x1c/0x28 [do_munmap+326/387] do_munmap+0x146/0x183 [ds_ioctl+0/1658] ds_ioctl+0x0/0x67a [sys_ioctl+253/626] sys_ioctl+0xfd/0x272 [sys_munmap+68/100] sys_munmap+0x44/0x64 [syscall_call+7/11] syscall_call+0x7/0xb kobject 'class_obj' does not have a release() function, it is broken and must be fixed. Badness in kobject_cleanup at lib/kobject.c:402 Call Trace: [kobject_cleanup+95/133] kobject_cleanup+0x5f/0x85 [netdev_run_todo+262/366] netdev_run_todo+0x106/0x16e [_end+307373442/1069392712] prism2_free_local_data+0x320/0x3c6 [hostap_cs] [_end+307374510/1069392712] prism2_detach+0x81/0x11c [hostap_cs] [_end+307374381/1069392712] prism2_detach+0x0/0x11c [hostap_cs] [unbind_request+200/212] unbind_request+0xc8/0xd4 [ds_ioctl+967/1658] ds_ioctl+0x3c7/0x67a [unix_dgram_sendmsg+1132/1366] unix_dgram_sendmsg+0x46c/0x556 [journal_dirty_metadata+327/519] journal_dirty_metadata+0x147/0x207 [buffered_rmqueue+214/386] buffered_rmqueue+0xd6/0x182 [sock_sendmsg+195/222] sock_sendmsg+0xc3/0xde [__ext3_journal_stop+36/80] __ext3_journal_stop+0x24/0x50 [do_anonymous_page+307/548] do_anonymous_page+0x133/0x224 [autoremove_wake_function+0/79] autoremove_wake_function+0x0/0x4f [schedule+645/1272] schedule+0x285/0x4f8 [zap_pte_range+327/380] zap_pte_range+0x147/0x17c [default_wake_function+0/46] default_wake_function+0x0/0x2e [zap_pmd_range+71/97] zap_pmd_range+0x47/0x61 [unmap_page_range+67/105] unmap_page_range+0x43/0x69 [unmap_vmas+220/521] unmap_vmas+0xdc/0x209 [unmap_region+155/222] unmap_region+0x9b/0xde [unmap_vma+64/125] unmap_vma+0x40/0x7d [unmap_vma_list+28/40] unmap_vma_list+0x1c/0x28 [do_munmap+326/387] do_munmap+0x146/0x183 [ds_ioctl+0/1658] ds_ioctl+0x0/0x67a [sys_ioctl+253/626] sys_ioctl+0xfd/0x272 [sys_munmap+68/100] sys_munmap+0x44/0x64 [syscall_call+7/11] syscall_call+0x7/0xb hostap_cs: Netdevice wlan0 unregistered