Description of problem: when i put a usb tp-link wn823n wifi to the system ãthe kernel will ocassionally generate a lot of schedule_preempt_disabled call trace in kernel log,especailly often in resume from suspend and then freeze . Before i use the tp-link wifi,everything works wellã I reboot the system ,and put security=unix to the kernel boot paramerters ï¼now it works well about two day ã I guest it is a bug about tomoyo and wireless network stack . dmesg result : [19267.396495] Call Trace: [19267.396505] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [19267.396512] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [19267.396519] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [19267.396526] [<ffffffff815631f9>] rtnetlink_rcv+0x19/0x30 [19267.396533] [<ffffffff81581aed>] netlink_unicast+0xdd/0x190 [19267.396540] [<ffffffff81376b3d>] ? memcpy_fromiovec+0x4d/0x90 [19267.396547] [<ffffffff81581e9f>] netlink_sendmsg+0x2ff/0x740 [19267.396556] [<ffffffff8132c274>] ? tomoyo_socket_sendmsg_permission+0x24/0xb0 [19267.396564] [<ffffffff8153d76b>] sock_sendmsg+0x8b/0xc0 [19267.396572] [<ffffffff8158103f>] ? netlink_insert+0x14f/0x240 [19267.396580] [<ffffffff8153d911>] SYSC_sendto+0x121/0x1c0 [19267.396588] [<ffffffff8153a72c>] ? sock_alloc_file+0x9c/0x130 [19267.396597] [<ffffffff811a9ab0>] ? __fd_install+0x20/0x50 [19267.396603] [<ffffffff8153e42e>] SyS_sendto+0xe/0x10 [19267.396610] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [19267.396625] Restarting tasks ... done. [20473.183389] PM: Syncing filesystems ... done. [20473.372971] PM: Preparing system for mem sleep [20473.733696] Freezing user space processes ... [20493.735764] Freezing of tasks failed after 20.002 seconds (7 tasks refusing to freeze, wq_busy=0): [20493.735838] knemo D ffff8801afc53e40 0 5661 1 0x00000004 [20493.735847] ffff880090f6faf0 0000000000000082 ffff880090f6ffd8 0000000000013e40 [20493.735855] ffff880090f6ffd8 0000000000013e40 ffff880090e1ae00 ffffffff81ca7e20 [20493.735861] ffffffff81ca7e24 ffff880090e1ae00 00000000ffffffff ffffffff81ca7e28 [20493.735869] Call Trace: [20493.735888] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [20493.735897] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [20493.735906] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [20493.735914] [<ffffffff815631f9>] rtnetlink_rcv+0x19/0x30 [20493.735923] [<ffffffff81581aed>] netlink_unicast+0xdd/0x190 [20493.735932] [<ffffffff81376b3d>] ? memcpy_fromiovec+0x4d/0x90 [20493.735939] [<ffffffff81581e9f>] netlink_sendmsg+0x2ff/0x740 [20493.735949] [<ffffffff8132c274>] ? tomoyo_socket_sendmsg_permission+0x24/0xb0 [20493.735959] [<ffffffff8153d76b>] sock_sendmsg+0x8b/0xc0 [20493.735968] [<ffffffff8153d45e>] ? move_addr_to_kernel.part.16+0x1e/0x60 [20493.735975] [<ffffffff8153e021>] ? move_addr_to_kernel+0x21/0x30 [20493.735983] [<ffffffff8153dfe9>] ___sys_sendmsg+0x3a9/0x3c0 [20493.735991] [<ffffffff8153dbb8>] ? SYSC_recvfrom+0xe8/0x170 [20493.736001] [<ffffffff81011601>] ? __switch_to+0x171/0x4b0 [20493.736025] [<ffffffff8153e6f2>] __sys_sendmsg+0x42/0x80 [20493.736032] [<ffffffff8153e742>] SyS_sendmsg+0x12/0x20 [20493.736041] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [20493.736087] ifplugd D ffff8801afc53e40 0 7611 1 0x00000004 [20493.736094] ffff88015708bd50 0000000000000082 ffff88015708bfd8 0000000000013e40 [20493.736101] ffff88015708bfd8 0000000000013e40 ffff88015a0f4500 ffffffff81ca7e20 [20493.736108] ffffffff81ca7e24 ffff88015a0f4500 00000000ffffffff ffffffff81ca7e28 [20493.736115] Call Trace: [20493.736124] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [20493.736132] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [20493.736140] [<ffffffff813290dd>] ? tomoyo_path_number_perm+0x6d/0x1c0 [20493.736148] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [20493.736155] [<ffffffff815626d5>] rtnl_lock+0x15/0x20 [20493.736163] [<ffffffff815697b0>] dev_ioctl+0x1a0/0x560 [20493.736171] [<ffffffff8153a895>] sock_do_ioctl+0x45/0x50 [20493.736179] [<ffffffff8153acf0>] sock_ioctl+0x1f0/0x2c0 [20493.736187] [<ffffffff810bb8c8>] ? ktime_get_ts+0x48/0xe0 [20493.736196] [<ffffffff8119fb2d>] do_vfs_ioctl+0x2dd/0x4b0 [20493.736203] [<ffffffff8119fd81>] SyS_ioctl+0x81/0xa0 [20493.736211] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [20493.736217] wpa_supplicant D ffff8801afc53e40 0 11984 1 0x00000004 [20493.736224] ffff88015a37dd40 0000000000000082 ffff88015a37dfd8 0000000000013e40 [20493.736230] ffff88015a37dfd8 0000000000013e40 ffff8800788c4500 ffffffff81ca7e20 [20493.736237] ffffffff81ca7e24 ffff8800788c4500 00000000ffffffff ffffffff81ca7e28 [21740.737059] Call Trace: [21740.737067] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [21740.737074] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [21740.737082] [<ffffffff813290dd>] ? tomoyo_path_number_perm+0x6d/0x1c0 [21740.737089] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [21740.737095] [<ffffffff815626d5>] rtnl_lock+0x15/0x20 [21740.737103] [<ffffffff81569925>] dev_ioctl+0x315/0x560 [21740.737110] [<ffffffff8153a895>] sock_do_ioctl+0x45/0x50 [21740.737117] [<ffffffff8153acf0>] sock_ioctl+0x1f0/0x2c0 [21740.737125] [<ffffffff8119fb2d>] do_vfs_ioctl+0x2dd/0x4b0 [21740.737132] [<ffffffff8119fd81>] SyS_ioctl+0x81/0xa0 [21740.737139] [<ffffffff8161a1ae>] ? do_page_fault+0xe/0x10 [21740.737146] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [21740.737156] Restarting tasks ... done. [21740.765638] PM: Syncing filesystems ... done. [21741.043699] PM: Preparing system for freeze sleep [21741.357282] Freezing user space processes ... [21761.361239] Freezing of tasks failed after 20.003 seconds (7 tasks refusing to freeze, wq_busy=0): [21761.361314] knemo D ffff8801afc53e40 0 5661 1 0x00000004 [21761.361323] ffff880090f6faf0 0000000000000082 ffff880090f6ffd8 0000000000013e40 [21761.361330] ffff880090f6ffd8 0000000000013e40 ffff880090e1ae00 ffffffff81ca7e20 [21761.361337] ffffffff81ca7e24 ffff880090e1ae00 00000000ffffffff ffffffff81ca7e28 [21761.361344] Call Trace: [21761.361363] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [21761.361373] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [21761.361382] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [21761.361390] [<ffffffff815631f9>] rtnetlink_rcv+0x19/0x30 [21761.361398] [<ffffffff81581aed>] netlink_unicast+0xdd/0x190 [21761.361408] [<ffffffff81376b3d>] ? memcpy_fromiovec+0x4d/0x90 [21761.361415] [<ffffffff81581e9f>] netlink_sendmsg+0x2ff/0x740 [21761.361426] [<ffffffff8132c274>] ? tomoyo_socket_sendmsg_permission+0x24/0xb0 [21761.361436] [<ffffffff8153d76b>] sock_sendmsg+0x8b/0xc0 [21761.361444] [<ffffffff8153d45e>] ? move_addr_to_kernel.part.16+0x1e/0x60 [21761.361452] [<ffffffff8153e021>] ? move_addr_to_kernel+0x21/0x30 [21761.361459] [<ffffffff8153dfe9>] ___sys_sendmsg+0x3a9/0x3c0 [21761.361468] [<ffffffff8153dbb8>] ? SYSC_recvfrom+0xe8/0x170 [21761.361478] [<ffffffff81011601>] ? __switch_to+0x171/0x4b0 [21761.361484] [<ffffffff8153e6f2>] __sys_sendmsg+0x42/0x80 [21761.361490] [<ffffffff8153e742>] SyS_sendmsg+0x12/0x20 [21761.361500] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [21761.361545] ifplugd D ffff8801afc53e40 0 7611 1 0x00000004 [21761.361551] ffff88015708bd50 0000000000000082 ffff88015708bfd8 0000000000013e40 [21761.361558] ffff88015708bfd8 0000000000013e40 ffff88015a0f4500 ffffffff81ca7e20 [21761.361564] ffffffff81ca7e24 ffff88015a0f4500 00000000ffffffff ffffffff81ca7e28 [21761.361571] Call Trace: [21761.361580] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [21761.361588] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [21761.361596] [<ffffffff813290dd>] ? tomoyo_path_number_perm+0x6d/0x1c0 [21761.361603] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [21761.361610] [<ffffffff815626d5>] rtnl_lock+0x15/0x20 [21761.361618] [<ffffffff815697b0>] dev_ioctl+0x1a0/0x560 [21761.361626] [<ffffffff8153a895>] sock_do_ioctl+0x45/0x50 [21761.361633] [<ffffffff8153acf0>] sock_ioctl+0x1f0/0x2c0 [21761.361642] [<ffffffff810bb8c8>] ? ktime_get_ts+0x48/0xe0 [21761.361650] [<ffffffff8119fb2d>] do_vfs_ioctl+0x2dd/0x4b0 [21761.361657] [<ffffffff8119fd81>] SyS_ioctl+0x81/0xa0 [21761.361666] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [21761.361671] wpa_supplicant D ffff8801afc53e40 0 11984 1 0x00000004 [21761.361678] ffff88015a37dd40 0000000000000082 ffff88015a37dfd8 0000000000013e40 [21761.361684] ffff88015a37dfd8 0000000000013e40 ffff8800788c4500 ffffffff81ca7e20 [21761.361691] ffffffff81ca7e24 ffff8800788c4500 00000000ffffffff ffffffff81ca7e28 [21761.361697] Call Trace: [21761.361705] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [21761.361712] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [21761.361719] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [21761.361726] [<ffffffff815626d5>] rtnl_lock+0x15/0x20 [21761.361733] [<ffffffff815f383b>] wext_handle_ioctl+0x4b/0xb0 [21761.361740] [<ffffffff815698b2>] dev_ioctl+0x2a2/0x560 [21761.361748] [<ffffffff8153ac32>] sock_ioctl+0x132/0x2c0 [21761.361755] [<ffffffff810bb8c8>] ? ktime_get_ts+0x48/0xe0 [21761.361762] [<ffffffff8119fb2d>] do_vfs_ioctl+0x2dd/0x4b0 [21761.361769] [<ffffffff8119fd81>] SyS_ioctl+0x81/0xa0 [21761.361777] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [21761.361784] NetworkManager D ffff8801afc13e40 0 27437 1 0x00000004 [21761.361790] ffff88015a31f690 0000000000000082 ffff88015a31ffd8 0000000000013e40 [21761.361797] ffff88015a31ffd8 0000000000013e40 ffff88006f892e00 ffff88016ee79330 [21761.361803] ffff88016ee79334 ffff88006f892e00 00000000ffffffff ffff88016ee79338 [26728.618538] Call Trace: [26728.618546] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [26728.618553] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [26728.618562] [<ffffffff813290dd>] ? tomoyo_path_number_perm+0x6d/0x1c0 [26728.618569] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [26728.618576] [<ffffffff815626d5>] rtnl_lock+0x15/0x20 [26728.618583] [<ffffffff81569925>] dev_ioctl+0x315/0x560 [26728.618591] [<ffffffff8153a895>] sock_do_ioctl+0x45/0x50 [26728.618598] [<ffffffff8153acf0>] sock_ioctl+0x1f0/0x2c0 [26728.618605] [<ffffffff8119fb2d>] do_vfs_ioctl+0x2dd/0x4b0 [26728.618613] [<ffffffff8119fd81>] SyS_ioctl+0x81/0xa0 [26728.618620] [<ffffffff8161a1ae>] ? do_page_fault+0xe/0x10 [26728.618628] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [26728.618639] Restarting tasks ... done. [26728.657935] PM: Syncing filesystems ... done. [26729.016325] PM: Preparing system for freeze sleep [26729.231562] Freezing user space processes ... [26749.232455] Freezing of tasks failed after 20.000 seconds (7 tasks refusing to freeze, wq_busy=0): [26749.232529] knemo D ffff8801afc53e40 0 5661 1 0x00000004 [26749.232538] ffff880090f6faf0 0000000000000082 ffff880090f6ffd8 0000000000013e40 [26749.232545] ffff880090f6ffd8 0000000000013e40 ffff880090e1ae00 ffffffff81ca7e20 [26749.232552] ffffffff81ca7e24 ffff880090e1ae00 00000000ffffffff ffffffff81ca7e28 [26749.232559] Call Trace: [26749.232578] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [26749.232587] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [26749.232595] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [26749.232604] [<ffffffff815631f9>] rtnetlink_rcv+0x19/0x30 [26749.232612] [<ffffffff81581aed>] netlink_unicast+0xdd/0x190 [26749.232621] [<ffffffff81376b3d>] ? memcpy_fromiovec+0x4d/0x90 [26749.232628] [<ffffffff81581e9f>] netlink_sendmsg+0x2ff/0x740 [26749.232639] [<ffffffff8132c274>] ? tomoyo_socket_sendmsg_permission+0x24/0xb0 [26749.232649] [<ffffffff8153d76b>] sock_sendmsg+0x8b/0xc0 [26749.232657] [<ffffffff8153d45e>] ? move_addr_to_kernel.part.16+0x1e/0x60 [26749.232665] [<ffffffff8153e021>] ? move_addr_to_kernel+0x21/0x30 [26749.232672] [<ffffffff8153dfe9>] ___sys_sendmsg+0x3a9/0x3c0 [26749.232680] [<ffffffff8153dbb8>] ? SYSC_recvfrom+0xe8/0x170 [26749.232690] [<ffffffff81011601>] ? __switch_to+0x171/0x4b0 [26749.232697] [<ffffffff8153e6f2>] __sys_sendmsg+0x42/0x80 [26749.232703] [<ffffffff8153e742>] SyS_sendmsg+0x12/0x20 [26749.232712] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [26749.232757] ifplugd D ffff8801afc53e40 0 7611 1 0x00000004 [26749.232764] ffff88015708bd50 0000000000000082 ffff88015708bfd8 0000000000013e40 [26749.232771] ffff88015708bfd8 0000000000013e40 ffff88015a0f4500 ffffffff81ca7e20 [26749.232778] ffffffff81ca7e24 ffff88015a0f4500 00000000ffffffff ffffffff81ca7e28 [26749.232784] Call Trace: [26749.232793] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [26749.232800] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [26749.232809] [<ffffffff813290dd>] ? tomoyo_path_number_perm+0x6d/0x1c0 [26749.232816] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [26749.232823] [<ffffffff815626d5>] rtnl_lock+0x15/0x20 [26749.232830] [<ffffffff815697b0>] dev_ioctl+0x1a0/0x560 [26749.232839] [<ffffffff8153a895>] sock_do_ioctl+0x45/0x50 [26749.232846] [<ffffffff8153acf0>] sock_ioctl+0x1f0/0x2c0 [26749.232854] [<ffffffff810bb8c8>] ? ktime_get_ts+0x48/0xe0 [26749.232863] [<ffffffff8119fb2d>] do_vfs_ioctl+0x2dd/0x4b0 [26749.232870] [<ffffffff8119fd81>] SyS_ioctl+0x81/0xa0 [26749.232878] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [26749.232883] wpa_supplicant D ffff8801afc53e40 0 11984 1 0x00000004 [26749.232890] ffff88015a37dd40 0000000000000082 ffff88015a37dfd8 0000000000013e40 [26749.232897] ffff88015a37dfd8 0000000000013e40 ffff8800788c4500 ffffffff81ca7e20 [26749.232903] ffffffff81ca7e24 ffff8800788c4500 00000000ffffffff ffffffff81ca7e28 [26749.232909] Call Trace: [26749.232917] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [26749.232924] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [26749.232931] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [26749.232938] [<ffffffff815626d5>] rtnl_lock+0x15/0x20 [26749.232945] [<ffffffff815f383b>] wext_handle_ioctl+0x4b/0xb0 [26749.232952] [<ffffffff815698b2>] dev_ioctl+0x2a2/0x560 [26749.232960] [<ffffffff8153ac32>] sock_ioctl+0x132/0x2c0 [26749.232966] [<ffffffff810bb8c8>] ? ktime_get_ts+0x48/0xe0 [26749.232973] [<ffffffff8119fb2d>] do_vfs_ioctl+0x2dd/0x4b0 [26749.232981] [<ffffffff8119fd81>] SyS_ioctl+0x81/0xa0 [26749.232988] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [26749.232995] NetworkManager D ffff8801afc13e40 0 27437 1 0x00000004 [26749.233020] ffff88015a31f690 0000000000000082 ffff88015a31ffd8 0000000000013e40 [26749.233027] ffff88015a31ffd8 0000000000013e40 ffff88006f892e00 ffff88016ee79330 [26749.233034] ffff88016ee79334 ffff88006f892e00 00000000ffffffff ffff88016ee79338 [26749.233040] Call Trace: [26749.233049] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [26749.233056] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [26749.233063] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [26749.233168] [<ffffffffa1028242>] ieee80211_scan_cancel+0x22/0x190 [mac80211] [26749.233211] [<ffffffffa10317a4>] ieee80211_do_stop+0x6d4/0x810 [mac80211] [26749.233221] [<ffffffff81616075>] ? _raw_spin_unlock_bh+0x15/0x20 [26749.233230] [<ffffffff815753c9>] ? dev_deactivate_many+0x1f9/0x240 [26749.233272] [<ffffffffa10318fa>] ieee80211_stop+0x1a/0x20 [mac80211] [26749.233280] [<ffffffff81550995>] __dev_close_many+0x85/0xd0 [26749.233286] [<ffffffff81550a24>] __dev_close+0x44/0x90 [26749.233294] [<ffffffff81557ead>] __dev_change_flags+0x9d/0x150 [26749.233301] [<ffffffff8155800d>] dev_change_flags+0x1d/0x60 [26749.233308] [<ffffffff815655a2>] do_setlink+0x332/0x9f0 [26749.233325] [<ffffffff81098649>] ? update_curr+0x89/0x180 [26749.233334] [<ffffffff8138c032>] ? nla_parse+0x32/0xe0 [26749.233341] [<ffffffff815668c4>] rtnl_newlink+0x394/0x5e0 [26749.233350] [<ffffffff8157faf3>] ? netlink_dump+0x123/0x240 [26749.233358] [<ffffffff8117f5a8>] ? __kmalloc_node_track_caller+0x58/0x1e0 [26749.233365] [<ffffffff815632a9>] rtnetlink_rcv_msg+0x99/0x260 [26749.233372] [<ffffffff8117f5a8>] ? __kmalloc_node_track_caller+0x58/0x1e0 [26749.233380] [<ffffffff81545e3e>] ? __alloc_skb+0x7e/0x2b0 [26749.233386] [<ffffffff81563210>] ? rtnetlink_rcv+0x30/0x30 [26749.233394] [<ffffffff81582499>] netlink_rcv_skb+0xa9/0xc0 [26749.233400] [<ffffffff81563208>] rtnetlink_rcv+0x28/0x30 [26749.233408] [<ffffffff81581aed>] netlink_unicast+0xdd/0x190 [26749.233415] [<ffffffff81376b3d>] ? memcpy_fromiovec+0x4d/0x90 [26749.233422] [<ffffffff81581e9f>] netlink_sendmsg+0x2ff/0x740 [26749.233429] [<ffffffff8157ed8c>] ? netlink_rcv_wake+0x3c/0x50 [26749.233437] [<ffffffff8132c274>] ? tomoyo_socket_sendmsg_permission+0x24/0xb0 [26749.233446] [<ffffffff8153d76b>] sock_sendmsg+0x8b/0xc0 [26749.233454] [<ffffffff8153d45e>] ? move_addr_to_kernel.part.16+0x1e/0x60 [26749.233462] [<ffffffff8153e021>] ? move_addr_to_kernel+0x21/0x30 [26749.233469] [<ffffffff8153dfe9>] ___sys_sendmsg+0x3a9/0x3c0 [26749.233478] [<ffffffff8153d965>] ? SYSC_sendto+0x175/0x1c0 [26749.233485] [<ffffffff8153e6f2>] __sys_sendmsg+0x42/0x80 [26749.233491] [<ffffffff8153e742>] SyS_sendmsg+0x12/0x20 [26749.233499] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [26749.233514] DNS Resolver #7 D ffff8801afc53e40 0 24636 4702 0x00000004 [26749.233521] ffff88015a0bfbe0 0000000000000082 ffff88015a0bffd8 0000000000013e40 [26749.233528] ffff88015a0bffd8 0000000000013e40 ffff8801a3601700 ffffffff81ca7e20 [26749.233534] ffffffff81ca7e24 ffff8801a3601700 00000000ffffffff ffffffff81ca7e28 [26749.233540] Call Trace: [26749.233549] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [26749.233557] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [26749.233564] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [26749.233570] [<ffffffff815631f9>] rtnetlink_rcv+0x19/0x30 [26749.233577] [<ffffffff81581aed>] netlink_unicast+0xdd/0x190 [26749.233584] [<ffffffff81376b3d>] ? memcpy_fromiovec+0x4d/0x90 [26749.233591] [<ffffffff81581e9f>] netlink_sendmsg+0x2ff/0x740 [26749.233600] [<ffffffff8132c274>] ? tomoyo_socket_sendmsg_permission+0x24/0xb0 [26749.233608] [<ffffffff8153d76b>] sock_sendmsg+0x8b/0xc0 [26749.233615] [<ffffffff8158103f>] ? netlink_insert+0x14f/0x240 [26749.233623] [<ffffffff8153d911>] SYSC_sendto+0x121/0x1c0 [26749.233631] [<ffffffff8153a72c>] ? sock_alloc_file+0x9c/0x130 [26749.233640] [<ffffffff811a9ab0>] ? __fd_install+0x20/0x50 [26749.233646] [<ffffffff8153e42e>] SyS_sendto+0xe/0x10 [26749.233653] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [26749.233663] sendmail D ffff8801afc13e40 0 23806 23799 0x00000004 [26749.233670] ffff8801572afbe0 0000000000000082 ffff8801572affd8 0000000000013e40 [26749.233676] ffff8801572affd8 0000000000013e40 ffff880074d48000 ffffffff81ca7e20 [26749.233683] ffffffff81ca7e24 ffff880074d48000 00000000ffffffff ffffffff81ca7e28 [26749.233689] Call Trace: [26749.233698] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [26749.233705] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [26749.233713] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [26749.233719] [<ffffffff815631f9>] rtnetlink_rcv+0x19/0x30 [26749.233726] [<ffffffff81581aed>] netlink_unicast+0xdd/0x190 [26749.233733] [<ffffffff81376b3d>] ? memcpy_fromiovec+0x4d/0x90 [26749.233740] [<ffffffff81581e9f>] netlink_sendmsg+0x2ff/0x740 [26749.233749] [<ffffffff8132c274>] ? tomoyo_socket_sendmsg_permission+0x24/0xb0 [26749.233757] [<ffffffff8153d76b>] sock_sendmsg+0x8b/0xc0 [26749.233764] [<ffffffff8158103f>] ? netlink_insert+0x14f/0x240 [26749.233772] [<ffffffff8153d911>] SYSC_sendto+0x121/0x1c0 [26749.233780] [<ffffffff8153a72c>] ? sock_alloc_file+0x9c/0x130 [26749.233787] [<ffffffff811a9ab0>] ? __fd_install+0x20/0x50 [26749.233794] [<ffffffff8153e42e>] SyS_sendto+0xe/0x10 [26749.233801] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [26749.233808] ifconfig D ffff8801afc13e40 0 21305 21304 0x00000004 [26749.233815] ffff880074e77d50 0000000000000086 ffff880074e77fd8 0000000000013e40 [26749.233821] ffff880074e77fd8 0000000000013e40 ffff88008dd64500 ffffffff81ca7e20 [26749.233828] ffffffff81ca7e24 ffff88008dd64500 00000000ffffffff ffffffff81ca7e28 [26749.233834] Call Trace: [26749.233843] [<ffffffff81614e39>] schedule_preempt_disabled+0x29/0x70 [26749.233850] [<ffffffff81612f62>] __mutex_lock_slowpath+0x132/0x1b0 [26749.233858] [<ffffffff813290dd>] ? tomoyo_path_number_perm+0x6d/0x1c0 [26749.233865] [<ffffffff81612fff>] mutex_lock+0x1f/0x30 [26749.233872] [<ffffffff815626d5>] rtnl_lock+0x15/0x20 [26749.233879] [<ffffffff81569925>] dev_ioctl+0x315/0x560 [26749.233887] [<ffffffff8153a895>] sock_do_ioctl+0x45/0x50 [26749.233894] [<ffffffff8153acf0>] sock_ioctl+0x1f0/0x2c0 [26749.233902] [<ffffffff8119fb2d>] do_vfs_ioctl+0x2dd/0x4b0 [26749.233909] [<ffffffff8119fd81>] SyS_ioctl+0x81/0xa0 [26749.233915] [<ffffffff8161a1ae>] ? do_page_fault+0xe/0x10 [26749.233923] [<ffffffff8161e7bd>] system_call_fastpath+0x1a/0x1f [26749.233935] Restarting tasks ... done. lsmod result: Module Size Used by r8169 71677 0 xt_string 12586 0 af_packet 35649 6 arc4 12608 2 bnep 19704 2 bluetooth 368018 5 bnep ipt_psd 57587 0 cls_basic 12946 0 cls_flow 17125 0 cls_fw 12904 0 cls_u32 17137 0 sch_fq_codel 17545 0 sch_tbf 13137 0 arptable_filter 12702 0 arp_tables 22482 1 arptable_filter sch_prio 13152 0 sch_hfsc 22164 0 sch_htb 22278 0 sch_ingress 12866 0 sch_sfq 21416 0 bridge 110673 0 stp 12976 1 bridge llc 14552 2 stp,bridge ip6t_MASQUERADE 12768 0 ip6t_rpfilter 12546 0 xt_CHECKSUM 12549 0 ipt_rpfilter 12546 0 xt_ACCOUNT 18375 0 xt_realm 12498 0 iptable_rawpost 12597 0 xt_ipp2p 17463 0 xt_statistic 12601 0 xt_CT 12956 36 xt_condition 13387 0 xt_LOGMARK 12694 0 xt_LOG 17717 10 xt_connlimit 12636 0 xt_addrtype 12635 4 ip_set_hash_ip 27260 2 ip6table_rawpost 12597 0 xt_IPMARK 12577 0 compat_xtables 14123 4 xt_LOGMARK,xt_ipp2p,xt_ACCOUNT,xt_IPMARK xt_comment 12504 48 ipt_ULOG 14273 0 ipt_REJECT 12541 4 ipt_MASQUERADE 12880 0 ipt_ECN 12529 0 ipt_CLUSTERIP 13508 0 xt_recent 18498 2 ipt_ah 12806 0 xt_nat 12681 0 nf_nat_tftp 12489 0 nf_nat_snmp_basic 17302 0 nf_conntrack_snmp 12857 3 nf_nat_snmp_basic nf_nat_sip 17152 0 ip6table_nat 13015 0 nf_nat_ipv6 13279 1 ip6table_nat nf_nat_pptp 13115 0 nf_nat_proto_gre 13009 1 nf_nat_pptp nf_nat_irc 12723 0 nf_nat_h323 17720 0 xt_set 13181 2 nf_nat_ftp 12770 0 ip_set 36597 2 ip_set_hash_ip,xt_set nf_nat_amanda 12491 0 nf_conntrack_tftp 13121 5 nf_nat_tftp nf_conntrack_sip 29764 5 nf_nat_sip nf_conntrack_sane 13143 4 nf_conntrack_proto_udplite 13281 0 nf_conntrack_proto_sctp 18822 0 nf_conntrack_pptp 19258 3 nf_nat_pptp nf_conntrack_proto_gre 14434 1 nf_conntrack_pptp nf_conntrack_netlink 36189 0 nf_conntrack_netbios_ns 12665 2 nf_conntrack_broadcast 12589 2 nf_conntrack_netbios_ns,nf_conntrack_snmp nf_conntrack_irc 13518 3 nf_nat_irc nf_conntrack_h323 73845 9 nf_nat_h323 ts_kmp 12605 5 nf_conntrack_amanda 13041 5 nf_nat_amanda nf_conntrack_ftp 18638 5 nf_nat_ftp xt_TPROXY 17356 0 xt_time 12661 0 xt_TCPMSS 12707 0 xt_tcpmss 12501 0 xt_sctp 12853 0 xt_policy 12582 0 xt_pkttype 12504 0 xt_physdev 12587 0 xt_owner 12534 0 xt_NFQUEUE 12776 0 xt_NFLOG 12537 0 nfnetlink_log 17879 1 xt_NFLOG xt_multiport 12798 8 xt_mark 12563 2 xt_mac 12492 0 xt_limit 12711 0 xt_length 12536 0 xt_iprange 12783 0 xt_helper 12583 0 xt_hashlimit 17569 0 xt_DSCP 12629 0 xt_dscp 12597 0 xt_dccp 12606 0 xt_connmark 12755 0 xt_CLASSIFY 12507 0 xt_AUDIT 12678 0 ip6t_REJECT 12939 4 iptable_raw 12678 1 xt_tcpudp 12884 56 iptable_nat 13011 0 nf_nat_ipv4 13263 1 iptable_nat xt_state 12578 0 nf_nat 21568 15 nf_nat_ftp,nf_nat_irc,nf_nat_sip,nf_nat_amanda,ipt_MASQUERADE,nf_nat_proto_gre,ip6t_MASQUERADE,nf_nat_h323,nf_nat_ipv4,nf_nat_ipv6,nf_nat_pptp,nf_nat_tftp,xt_nat,ip6table_nat,iptable_nat deflate 12617 0 nf_conntrack_ipv6 18894 25 nf_conntrack_ipv4 15012 33 nf_defrag_ipv6 34651 2 xt_TPROXY,nf_conntrack_ipv6 nf_defrag_ipv4 12758 2 xt_TPROXY,nf_conntrack_ipv4 xt_conntrack 12760 20 ctr 13049 0 ip6table_raw 12683 1 nf_conntrack 92796 39 nf_nat_ftp,nf_nat_irc,nf_nat_sip,nf_nat_amanda,xt_CT,nf_nat_snmp_basic,nf_conntrack_netbios_ns,nf_conntrack_proto_gre,xt_helper,ipt_MASQUERADE,nf_conntrack_proto_udplite,nf_nat,ip6t_MASQUERADE,xt_state,xt_connlimit,nf_nat_h323,nf_nat_ipv4,nf_nat_ipv6,nf_nat_pptp,nf_nat_tftp,xt_conntrack,nf_conntrack_amanda,ipt_CLUSTERIP,nf_conntrack_proto_sctp,nf_conntrack_netlink,ip6table_nat,nf_conntrack_broadcast,xt_connmark,nf_conntrack_ftp,nf_conntrack_irc,nf_conntrack_sip,iptable_nat,nf_conntrack_h323,nf_conntrack_ipv4,nf_conntrack_ipv6,nf_conntrack_pptp,nf_conntrack_sane,nf_conntrack_snmp,nf_conntrack_tftp twofish_generic 16635 0 twofish_x86_64_3way 27146 0 twofish_x86_64 12907 1 twofish_x86_64_3way twofish_common 21113 3 twofish_generic,twofish_x86_64_3way,twofish_x86_64 ip6table_mangle 12700 1 iptable_mangle 12695 1 nfnetlink 14606 3 nfnetlink_log,ip_set,nf_conntrack_netlink camellia_generic 29260 0 camellia_x86_64 52986 0 serpent_sse2_x86_64 50408 0 xts 12914 3 camellia_x86_64,serpent_sse2_x86_64,twofish_x86_64_3way serpent_generic 29823 1 serpent_sse2_x86_64 lrw 13286 3 camellia_x86_64,serpent_sse2_x86_64,twofish_x86_64_3way gf128mul 14951 2 lrw,xts glue_helper 13990 3 camellia_x86_64,serpent_sse2_x86_64,twofish_x86_64_3way blowfish_generic 12530 0 blowfish_x86_64 21312 0 blowfish_common 16739 2 blowfish_generic,blowfish_x86_64 cast5_generic 21429 0 cast_common 12983 1 cast5_generic ablk_helper 13597 1 serpent_sse2_x86_64 cryptd 20359 1 ablk_helper des_generic 21350 0 cbc 12774 0 cmac 12788 0 ip6table_filter 12815 1 xcbc 12815 0 ip6_tables 27025 5 ip6table_filter,ip6table_mangle,ip6table_nat,ip6table_raw,ip6table_rawpost rmd160 16744 0 sha512_generic 12942 0 sha256_generic 21177 0 sha1_generic 12845 0 iptable_filter 12810 1 crypto_null 12840 0 af_key 36043 0 xfrm_algo 15556 1 af_key ip_tables 27239 5 iptable_rawpost,iptable_filter,iptable_mangle,iptable_nat,iptable_raw x_tables 34059 64 xt_physdev,xt_pkttype,ip6table_filter,arp_tables,xt_statistic,xt_DSCP,xt_dccp,xt_dscp,xt_iprange,xt_mark,xt_sctp,xt_time,xt_CT,xt_helper,ip6table_mangle,ip6t_rpfilter,xt_length,xt_comment,ipt_ULOG,xt_policy,xt_CHECKSUM,xt_recent,ip_tables,xt_tcpmss,xt_tcpudp,xt_string,ipt_MASQUERADE,arptable_filter,compat_xtables,ipt_ah,xt_condition,xt_AUDIT,xt_NFQUEUE,xt_NFLOG,ip6t_MASQUERADE,xt_ipp2p,xt_limit,xt_owner,xt_realm,xt_state,ipt_rpfilter,xt_connlimit,xt_conntrack,xt_LOG,xt_mac,xt_nat,xt_set,ipt_CLUSTERIP,xt_hashlimit,xt_multiport,iptable_filter,ip6table_raw,xt_CLASSIFY,xt_TCPMSS,xt_TPROXY,xt_connmark,ipt_REJECT,iptable_mangle,ipt_ECN,ipt_psd,ip6_tables,xt_addrtype,iptable_raw,ip6t_REJECT lockd 76945 0 rtl8192cu 98170 0 rtl_usb 22973 1 rtl8192cu rtlwifi 86096 2 rtl_usb,rtl8192cu rtl8192c_common 71541 1 rtl8192cu mac80211 516025 3 rtl_usb,rtlwifi,rtl8192cu cfg80211 474802 2 mac80211,rtlwifi rfkill 22676 5 cfg80211,bluetooth binfmt_misc 17431 1 vboxnetadp 25670 0 vboxnetflt 27613 0 vboxdrv 339413 2 vboxnetadp,vboxnetflt nvidia 10688804 39 ppdev 17635 0 snd_ens1370 28990 3 snd_rawmidi 30427 1 snd_ens1370 snd_hda_codec_realtek 56661 1 snd_seq_device 14497 1 snd_rawmidi serio_raw 13413 0 gameport 15590 1 snd_ens1370 edac_core 62291 0 k8temp 12978 0 snd_hda_intel 52267 4 snd_hda_codec 192906 2 snd_hda_codec_realtek,snd_hda_intel snd_hwdep 17698 1 snd_hda_codec snd_pcm 102078 3 snd_hda_codec,snd_hda_intel,snd_ens1370 snd_page_alloc 18710 3 snd_pcm,snd_hda_intel,snd_ens1370 snd_timer 29378 1 snd_pcm snd 83274 23 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_pcm,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_ens1370,snd_seq_device soundcore 15047 1 snd sp5100_tco 13979 0 i2c_piix4 22155 0 mii 13934 1 r8169 shpchp 37032 0 parport_pc 41374 0 parport 42264 2 ppdev,parport_pc dm_mirror 22086 0 dm_region_hash 20813 1 dm_mirror dm_log 18411 2 dm_region_hash,dm_mirror dm_mod 98492 2 dm_log,dm_mirror cuse 13445 3 nls_utf8 12557 1 isofs 39801 1 loop 28184 2 fuse 83430 6 cuse cpufreq_ondemand 20254 1 cpufreq_conservative 15314 0 cpufreq_powersave 12618 0 powernow_k8 28323 0 processor 31527 1 powernow_k8 vhba 17838 0 evdev 17787 19 kvm_amd 59945 0 kvm 441150 1 kvm_amd sunrpc 239675 2 lockd ipv6 357086 74 ip6table_mangle,ip6t_rpfilter,bridge,nf_defrag_ipv6,ip6t_MASQUERADE,nf_nat_ipv6,ip6table_nat,xt_TPROXY,ip6t_REJECT,nf_conntrack_ipv6 autofs4 38674 2 hid_generic 12548 0 usbhid 48429 0 hid 105788 2 hid_generic,usbhid firewire_ohci 40360 0 firewire_core 64499 1 firewire_ohci crc_itu_t 12707 1 firewire_core ehci_pci 12905 0 ehci_hcd 71045 1 ehci_pci ohci_pci 13561 0 ohci_hcd 32818 1 ohci_pci usbcore 228902 7 rtl_usb,ohci_hcd,ohci_pci,ehci_hcd,ehci_pci,usbhid,rtl8192cu usb_common 13057 1 usbcore button 13871 0 video 19268 0 mxm_wmi 13021 0 wmi 19177 1 mxm_wmi i2c_algo_bit 13413 0 drm_kms_helper 44214 0 ttm 83917 0 drm 297706 4 ttm,drm_kms_helper,nvidia sr_mod 22411 0 i2c_core 40643 5 drm,i2c_piix4,drm_kms_helper,i2c_algo_bit,nvidia ide_pci_generic 12866 0 atiixp 12917 0 ide_core 117183 2 atiixp,ide_pci_generic ata_generic 12910 0 pata_acpi 13038 0 pata_atiixp 13271 0 Version-Release number of selected component (if applicable): uname -a result : Linux localhost.localdomain 3.12.13-desktop-2.mga4 #1 SMP Sat Feb 22 23:45:28 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux How reproducible: Steps to Reproduce: 1. 2. 3. Reproducible: Steps to Reproduce:
CC: (none) => shimingzhou1980
because dmesg is too long ,I only paste part of it.
Mageia 4 changed to end-of-life (EOL) status on 2015-09-19. It is is no longer maintained, which means that it will not receive any further security or bug fix updates. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Mageia version. Bug Reporter: Thank you for reporting this issue and we are sorry that we weren't able to fix it before Mageia 4's end of life. If you are able to reproduce it against a later version of Mageia, you are encouraged to click on "Version" and change it against that version of Mageia. If it's valid in several versions, select the highest and add MGAxTOO in whiteboard for each other valid release. Example: it's valid in cauldron and Mageia 5, set to cauldron and add MGA5TOO. Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Mageia release includes newer upstream software that fixes bugs or makes them obsolete. If you would like to help fixing bugs in the future, don't hesitate to join the packager team via our mentoring program [1] or join the teams that fit you most [2]. [1] https://wiki.mageia.org/en/Becoming_a_Mageia_Packager [2] http://www.mageia.org/contribute/
As announced over a month ago, Mageia 4 changed to end-of-life (EOL) status on 2015-09-19. It is is no longer maintained, which means that it will not receive any further security or bug fix updates. This issue may have been fixed in a later Mageia release, so, if you still see it and didn't already do so: please upgrade to Mageia 5 (or, if you read this much later than this is written: make sure you run a currently maintained Mageia version) If you are able to reproduce it against a maintained version of Mageia, you are encouraged to 1. reopen this bug report, by changing the "Status" from "RESOLVED - OLD" to "REOPENED" 2. click on "Version" and change it against that version of Mageia. If you know it's valid in several versions, select the highest and add MGAxTOO in whiteboard for each other valid release. Example: it's valid in cauldron and Mageia 5, set to cauldron and add MGA5TOO. 3. give as much relevant information as possible. If you're not an experienced bug reporter and have some time: please read this page: https://wiki.mageia.org/en/How_to_report_a_bug_properly If you see a similar issue, but are _not_sure_ it is the same, with the same cause, then please file a new bug report and mention this one in it (please include the bug number, too). If you would like to help fixing bugs in the future, don't hesitate to join the packager team via our mentoring program [1] or join the teams that fit you most [2]. [1] https://wiki.mageia.org/en/Becoming_a_Mageia_Packager [2] http://www.mageia.org/contribute/
Status: NEW => RESOLVEDResolution: (none) => OLD