From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: [BUG] linux-2.6.26.7 : loading of sch_cbq is stuck Date: Tue, 04 Nov 2008 11:45:13 +0100 Message-ID: <491027B9.2090403@cosmosbay.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: Linux Netdev List , Jarek Poplawski Return-path: Received: from gw1.cosmosbay.com ([86.65.150.130]:57991 "EHLO gw1.cosmosbay.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753307AbYKDKp0 (ORCPT ); Tue, 4 Nov 2008 05:45:26 -0500 Sender: netdev-owner@vger.kernel.org List-ID: Hi all Just found this problem on linux-2.6.26.7 when trying to add cbq on eth0 /proc/modules hangs too root 12117 0.0 0.0 1560 360 pts/1 D+ 11:07 0:00 lsmod root 10361 0.0 0.0 1996 696 pts/0 D+ 11:05 0:00 tc qdisc add dev eth0 root handle 1: cbq avpkt 1000 rate 100Mbit bandwidth 100Mbit root 10362 0.0 0.0 0 0 ? S< 11:05 0:00 [khelper] root 10363 0.0 0.0 1592 588 ? R 11:05 0:00 /sbin/modprobe -q -- sch_cbq root 10364 0.0 0.0 0 0 ? S< 11:05 0:00 [kstopmachine] root 10365 0.0 0.0 0 0 ? Z< 11:05 0:00 [kstopmachine] root 10366 0.0 0.0 0 0 ? Z< 11:05 0:00 [kstopmachine] root 10367 0.0 0.0 0 0 ? Z< 11:05 0:00 [kstopmachine] SysRq : Show State task PC stack pid father init S f7841b38 0 1 0 f783fbc0 00000082 00000002 f7841b38 f7841b2c 00000000 c0358340 f783fd14 f783fd14 c3396d00 f70dda80 c3393140 1d6bab5f ffffffff f7841b5c 1d6bbe90 000000fb 00000282 00000001 00000000 00000000 f7841b5c 1d6bbe90 00000000 Call Trace: [] schedule_timeout+0x44/0xa1 [] 8 [] __next_cpu+0x12/0x21 [] find_busiest_group+0x195/0x74d [] update_curr_rt+0x8e/0x357 [] hrtimer_forward+0x72/0x109 [] read_tsc+0x6/0x28 [] getnstimeofday+0x37/0xd3 [] ktime_get_ts+0x16/0x3c [] clockevents_program_event+0x8f/0xe5 [] tick_dev_program_event+0x31/0x9d [] run_timer_softirq+0x30/0x171 [] tick_program_event+0x24/0x2a [] __do_softirq+0x71/0xde [] smp_apic_timer_interrupt+0x5a/0x8f [] smp_call_function_interrupt+0x4e/0x64 [] apic_timer_interrupt+0x28/0x30 ======================= ccenter_sched S f64c3bec 0 7479 7471 f65f1850 00200082 00000002 f64c3bec f64c3be0 00000000 f6ae4e00 f65f19a4 f65f19a4 c33b4d00 f718c480 f7922000 1d6bac6a 00000000 f64c3c10 1d6bb052 000000fb 00200286 00000001 00000000 00000000 f64c3c10 1d6bb052 00000000 Call Trace: [] schedule_timeout+0x44/0xa1 [] add_wait_queue+0xf/0x38 [] process_timeout+0x0/0x5 [] do_sys_poll+0x21a/0x318 [] __pollwait+0x0/0xcf [] default_wake_function+0x0/0x8 Nov 4 11:32:51 arietis last message repeated 4 times [] memcpy_toiovec+0x37/0x4e [] skb_copy_datagram_iovec+0x14c/0x1ff [] _spin_lock_bh+0x8/0x1e [] _spin_lock_bh+0x8/0x1e [] release_sock+0x12/0x8f [] tcp_recvmsg+0x1ab/0x7e2 [] mnt_drop_write+0x1d/0xcf [] sock_common_recvmsg+0x3e/0x54 [] sock_recvmsg+0xcf/0xf3 [] sock_sendmsg+0xbc/0xde [] autoremove_wake_function+0x0/0x37 [] reschedule_interrupt+0x28/0x30 [] enqueue_hrtimer+0x72/0xee [] sockfd_lookup_light+0x24/0x41 [] hrtick_set+0x77/0xf4 [] do_notify_resume+0x4a/0x70b [] autoremove_wake_function+0x0/0x37 [] sys_recv+0x37/0x3b [] read_tsc+0x6/0x28 [] getnstimeofday+0x37/0xd3 [] sys_poll+0x33/0x73 [] syscall_call+0x7/0xb ======================= consistent_lo S 00000000 0 7480 7471 f65f03b0 00200082 000000d0 00000000 c014c466 c035f400 00000001 f65f0504 f65f0504 c3396d00 f714d880 00000010 00200282 c0127184 db9d1c10 1d6bb0ab db9d1c10 00200282 c0127292 00000000 00200282 db9d1c10 1d6bb0ab 00000000 Call Trace: [] __alloc_pages_internal+0x9c/0x414 [] lock_timer_base+0x19/0x35 [] __mod_timer+0x8f/0x9e [] schedule_timeout+0x44/0xa1 [] add_wait_queue+0xf/0x38 [] process_timeout+0x0/0x5 [] do_sys_poll+0x21a/0x318 [] __pollwait+0x0/0xcf [] default_wake_function+0x0/0x8 Nov 4 11:32:51 arietis last message repeated 19 times [] vfs_write+0xe9/0x118 [] do_sync_write+0x0/0x10e [] sys_poll+0x33/0x73 [] syscall_call+0x7/0xb ======================= ccenter_db_lo S f6777bec 0 7481 7471 f795ca90 00200082 00000002 f6777bec f6777be0 00000000 f6ae5170 f795cbe4 f795cbe4 c3396d00 f70ddc80 f7922000 00200282 c0127184 f6777c10 1d6bb0ac f6777c10 00200282 c0127292 00000000 00200282 f6777c10 1d6bb0ac 00000000 Call Trace: [] lock_timer_base+0x19/0x35 [] __mod_timer+0x8f/0x9e [] schedule_timeout+0x44/0xa1 [] add_wait_queue+0xf/0x38 [] process_timeout+0x0/0x5 [] do_sys_poll+0x21a/0x318 [] __pollwait+0x0/0xcf [] default_wake_function+0x0/0x8 Nov 4 11:32:51 arietis last message repeated 4 times [] __wake_up+0x32/0x42 [] journal_stop+0x19a/0x264 [] ext3_generic_write_end+0x6f/0x88 [] ext3_ordered_write_end+0xf0/0x14b [] mnt_drop_write+0x1d/0xcf [] generic_file_buffered_write+0x1a5/0x63c [] mnt_drop_write+0x1d/0xcf [] security_inode_need_killpriv+0xc/0xd [] remove_suid+0x15/0x53 [] mnt_drop_write+0x1d/0xcf [] __generic_file_aio_write_nolock+0x29d/0x555 [] generic_file_aio_write+0x5e/0xc5 [] do_sync_write+0xd2/0x10e [] autoremove_wake_function+0x0/0x37 [] read_tsc+0x6/0x28 [] getnstimeofday+0x37/0xd3 [] sys_poll+0x33/0x73 [] syscall_call+0x7/0xb ======================= consistent_st S d690dbec 0 7482 7471 f7927850 00200082 00000002 d690dbec d690dbe0 00000000 f783e720 f79279a4 f79279a4 c33a0d00 f709ed80 f7922000 00200286 c0127184 d690dc10 1d6baf47 d690dc10 00200286 c0127292 00000000 00200286 d690dc10 1d6baf47 00000000 Call Trace: [] lock_timer_base+0x19/0x35 [] __mod_timer+0x8f/0x9e [] schedule_timeout+0x44/0xa1 [] add_wait_queue+0xf/0x38 [] process_timeout+0x0/0x5 [] do_sys_poll+0x21a/0x318 [] __pollwait+0x0/0xcf [] default_wake_function+0x0/0x8 Nov 4 11:32:51 arietis last message repeated 11 times [] sock_recvmsg+0xcf/0xf3 [] sock_sendmsg+0xbc/0xde [] autoremove_wake_function+0x0/0x37 [] enqueue_hrtimer+0x72/0xee [] sockfd_lookup_light+0x24/0x41 [] read_tsc+0x6/0x28 [] getnstimeofday+0x37/0xd3 [] __switch_to+0x134/0x14b [] hrtick_set+0x5d/0xf4 [] schedule+0x231/0x6ff [] sys_recv+0x37/0x3b [] read_tsc+0x6/0x28 [] getnstimeofday+0x37/0xd3 [] sys_poll+0x33/0x73 [] syscall_call+0x7/0xb ======================= ccenter_ccxml S dc277bec 0 7483 7471 f735b4e0 00200082 00000002 dc277bec dc277be0 00000000 f65f03b0 f735b634 f735b634 c3396d00 f7022680 c03c3b80 1d6bad5f ffffffff dc277c10 1d6bb0ab 000000fb 00200282 00000001 00000000 00000000 dc277c10 1d6bb0ab 00000000 Call Trace: [] schedule_timeout+0x44/0xa1 [] add_wait_queue+0xf/0x38 [] process_timeout+0x0/0x5 [] do_sys_poll+0x21a/0x318 [] __pollwait+0x0/0xcf [] default_wake_function+0x0/0x8 Nov 4 11:32:51 arietis last message repeated 10 times [] mnt_drop_write+0x1d/0xcf [] sock_sendmsg+0xbc/0xde [] autoremove_wake_function+0x0/0x37 [] enqueue_hrtimer+0x72/0xee [] hrtimer_forward+0x72/0x109 [] sys_send+0x37/0x3b [] read_tsc+0x6/0x28 [] getnstimeofday+0x37/0xd3 [] sys_poll+0x33/0x73 [] syscall_call+0x7/0xb ======================= ccenter_dispa S d686fbec 0 7484 7471 f7926040 00200082 00000002 d686fbec d686fbe0 00000000 f795ca90 f7926194 f7926194 c3396d00 f7238480 f7922000 1d6bad5f ffffffff d686fc10 1d6bb0ac 000000fb 00200282 00000001 00000000 00000000 d686fc10 1d6bb0ac 00000000 Call Trace: [] schedule_timeout+0x44/0xa1 [] add_wait_queue+0xf/0x38 [] process_timeout+0x0/0x5 [] do_sys_poll+0x21a/0x318 [] __pollwait+0x0/0xcf [] default_wake_function+0x0/0x8 Nov 4 11:32:51 arietis last message repeated 7 times [] tcp_recvmsg+0x1ab/0x7e2 [] mnt_drop_write+0x1d/0xcf [] sock_common_recvmsg+0x3e/0x54 [] sock_recvmsg+0xcf/0xf3 [] sock_sendmsg+0xbc/0xde [] autoremove_wake_function+0x0/0x37 [] kmap_atomic+0x1c/0x21 [] get_page_from_freelist+0x2a6/0x479 [] sockfd_lookup_light+0x24/0x41 [] hrtimer_forward+0x72/0x109 [] handle_mm_fault+0x610/0x757 [] ktime_get_ts+0x16/0x3c [] clockevents_program_event+0x8f/0xe5 [] sys_recv+0x37/0x3b [] read_tsc+0x6/0x28 [] getnstimeofday+0x37/0xd3 [] sys_poll+0x33/0x73 [] syscall_call+0x7/0xb ======================= sshd S e41afd78 0 6642 3078 f58f1850 00000086 e41aff48 e41afd78 e41aff48 c025fd75 f7047170 f58f19a4 f58f19a4 c3396d00 f71cad00 ffffffff 00000000 00000000 00000000 00000000 00000000 f58f1850 00000000 00000000 d627b0d4 f7353480 7fffffff 00000000 Call Trace: [] sock_sendmsg+0xbc/0xde [] schedule_timeout+0x69/0xa1 [] prepare_to_wait+0x12/0x4a [] unix_stream_recvmsg+0x35c/0x4e9 [] do_lookup+0x59/0x17d [] autoremove_wake_function+0x0/0x37 [] sock_aio_read+0xd2/0xeb [] kobject_get+0xf/0x13 [] do_sync_read+0xd2/0x10e [] do_filp_open+0x177/0x733 [] autoremove_wake_function+0x0/0x37 [] security_file_permission+0xc/0xd [] rw_verify_area+0x5a/0xb5 [] vfs_read+0x113/0x11a [] sys_read+0x41/0x6a [] syscall_call+0x7/0xb ======================= sshd S c9b8bb38 0 6647 6642 f7047170 00000086 00000002 c9b8bb38 c9b8bb2c 00000000 c0358340 f70472c4 f70472c4 c3396d00 f73aab00 00000003 1d5380bf ffffffff 00000000 00000001 000000fb c0117d23 00000001 00000000 00000000 0000000a 00000000 00000000 Call Trace: [] __wake_up+0x32/0x42 [] schedule_timeout+0x69/0xa1 [] tty_poll+0x57/0x61 [] do_select+0x395/0x472 [] __pollwait+0x0/0xcf [] default_wake_function+0x0/0x8 Nov 4 11:32:51 arietis last message repeated 3 times [] __qdisc_run+0x78/0x19a [] nf_iterate+0x60/0x84 [] dev_queue_xmit+0x95/0x327 [] ip_finish_output+0x12a/0x290 [] ip_local_out+0x15/0x17 [] ip_queue_xmit+0x138/0x2e2 [] tick_program_event+0x24/0x2a [] n_tty_receive_buf+0x2b7/0xf85 [] n_tty_receive_buf+0x2b7/0xf85 [] read_tsc+0x6/0x28 [] tcp_transmit_skb+0x3cd/0x74e [] lock_timer_base+0x19/0x35 [] __mod_timer+0x8f/0x9e [] sk_reset_timer+0xc/0x16 [] __tcp_push_pending_frames+0x10c/0x728 [] memcpy_toiovec+0x37/0x4e [] _spin_lock_bh+0x8/0x1e [] release_sock+0x12/0x8f [] tcp_sendmsg+0x783/0xa82 [] pty_write+0x39/0x41 [] tty_put_char+0x26/0x2b [] opost+0x94/0x1ef [] core_sys_select+0x1b9/0x2c2 [] sock_aio_write+0xcb/0xe5 [] tty_ioctl+0xe2/0xd32 [] do_sync_write+0xd2/0x10e [] autoremove_wake_function+0x0/0x37 [] sys_select+0x3f/0x1ad [] sys_write+0x41/0x6a [] syscall_call+0x7/0xb ======================= bash S c94bbf00 0 6648 6647 c69f0e00 00000082 00000002 c94bbf00 c94bbef4 00000000 00100173 c69f0f54 c69f0f54 c33aad00 f6ae2380 00000000 1d4f02b2 ffffffff c035c864 c114784c 000000ff e6134fe0 00000000 00000000 00000000 c69f0e00 c69f0df8 0000000e Call Trace: [] do_wait+0x53e/0xada [] task_new_fair+0x5b/0xab [] tty_ioctl+0x0/0xd32 [] default_wake_function+0x0/0x8 [] sys_wait4+0x69/0xa4 [] sys_waitpid+0x27/0x2b [] syscall_call+0x7/0xb [] xfrm_hash_resize+0x1b7/0x2b3 ======================= pickup S e4253b38 0 6662 3059 f58f1170 00200086 00000002 e4253b38 e4253b2c 00000000 f7046040 f58f12c4 f58f12c4 c3396d00 f7e14100 f7477a98 1d6b5f5e ffffffff e4253b5c 1d6ce466 000000fb 00200282 00000001 00000000 00000000 e4253b5c 1d6ce466 00000000 Call Trace: [] schedule_timeout+0x44/0xa1 [] add_wait_queue+0xf/0x38 [] process_timeout+0x0/0x5 [] do_select+0x395/0x472 [] __pollwait+0x0/0xcf [] default_wake_function+0x0/0x8 [] default_wake_function+0x0/0x8 [] __getblk+0x23/0x294 [] __find_get_block_slow+0x75/0x116 [] kmap_atomic+0x1c/0x21 [] __find_get_block+0x87/0x18c [] __find_get_block+0x87/0x18c [] __alloc_pages_internal+0x9c/0x414 [] find_revoke_record+0x54/0x83 [] journal_cancel_revoke+0xa1/0x184 [] getnstimeofday+0x37/0xd3 [] __find_get_block_slow+0x75/0x116 [] task_rq_lock+0x29/0x50 [] try_to_wake_up+0x5e/0xed [] __wake_up_common+0x46/0x68 [] __wake_up_sync+0x35/0x4d [] core_sys_select+0x1b9/0x2c2 [] sock_aio_write+0xcb/0xe5 [] do_sync_write+0xd2/0x10e [] __wake_up+0x32/0x42 [] read_tsc+0x6/0x28 [] getnstimeofday+0x37/0xd3 [] enqueue_hrtimer+0x72/0xee [] hrtimer_start+0xb6/0x13b [] sys_select+0xe5/0x1ad [] alarm_setitimer+0x36/0x64 [] syscall_call+0x7/0xb ======================= bash S 00000000 0 6669 6648 f72ad4e0 00000086 b12e7065 00000000 c011ace8 fff9d000 ffffffff f72ad634 f72ad634 c33aad00 f70f9d00 00000000 c138700c c01022c1 00000082 c138700c 16b5c200 d6b5c200 00000000 c015650b 00000246 f72ad4e0 f72ad4d8 0000000e Call Trace: [] hrtick_set+0x77/0xf4 [] do_notify_resume+0x4a/0x70b [] handle_mm_fault+0x599/0x757 [] do_wait+0x53e/0xada [] tty_ioctl+0x0/0xd32 [] default_wake_function+0x0/0x8 [] sys_wait4+0x69/0xa4 [] sys_waitpid+0x27/0x2b [] syscall_call+0x7/0xb ======================= bash S c91adf00 0 10359 6669 f7954a90 00000082 00000002 c91adf00 c91adef4 00000000 00000000 f7954be4 f7954be4 c3396d00 f65ed280 c91adfb8 1d537ebf ffffffff 00010000 c10a48ec 000000fb 00000002 00000001 00000000 00000000 f7954a90 f7954a88 00000004 Call Trace: [] do_wait+0x53e/0xada [] task_new_fair+0x5b/0xab [] default_wake_function+0x0/0x8 [] sys_wait4+0x69/0xa4 [] sys_waitpid+0x27/0x2b [] syscall_call+0x7/0xb ======================= tc D c9b01b40 0 10361 10359 f6b60720 00000082 00000002 c9b01b40 c9b01b34 00000000 c0116a31 f6b60874 f6b60874 c33aad00 f65ed080 00000092 1d529e0f 00000000 00000000 00000001 000000fd 00000000 00000001 00000000 00000000 c9b01bb4 7fffffff 00000002 Call Trace: [] activate_task+0x1c/0x24 [] schedule_timeout+0x69/0xa1 [] __wake_up+0x32/0x42 [] wait_for_common+0x9c/0x12a [] default_wake_function+0x0/0x8 [] call_usermodehelper_exec+0xa7/0xac [] request_module+0x9f/0xe2 [] netdev_run_todo+0x27/0x227 [] qdisc_create+0x1ae/0x1e4 [] tc_modify_qdisc+0x85/0x3c8 [] tc_modify_qdisc+0x0/0x3c8 [] rtnetlink_rcv_msg+0x1bb/0x1ee [] rtnetlink_rcv_msg+0x0/0x1ee [] netlink_rcv_skb+0x74/0x91 [] rtnetlink_rcv+0x14/0x1a [] netlink_unicast+0x235/0x25d [] netlink_sendmsg+0x1cb/0x290 [] sock_sendmsg+0xbc/0xde [] autoremove_wake_function+0x0/0x37 [] autoremove_wake_function+0x0/0x37 [] sock_sendmsg+0xbc/0xde [] do_lookup+0x59/0x17d [] verify_iovec+0x2a/0x83 [] sys_sendmsg+0x12d/0x243 [] __alloc_pages_internal+0x9c/0x414 [] handle_mm_fault+0x610/0x757 [] acct_stack_growth+0x82/0x98 [] sys_socketcall+0x24f/0x271 [] do_page_fault+0x0/0x820 [] syscall_call+0x7/0xb [] xfrm_hash_resize+0x1b7/0x2b3 ======================= khelper S c9351f28 0 10362 15 f6a6c720 00000046 00000002 c9351f28 c9351f1c 00000000 00000002 f6a6c874 f6a6c874 c33aad00 f65ed080 c3396d00 1d529e0f ffffffff c3396d00 f65f14e0 000000ff c011c9d0 00000000 00000000 00000000 f6a6c720 f6a6c718 00000004 Call Trace: [] wake_up_new_task+0x87/0xa2 [] do_wait+0x53e/0xada [] ____call_usermodehelper+0x0/0x135 [] default_wake_function+0x0/0x8 [] sys_wait4+0x69/0xa4 [] wait_for_helper+0x47/0x80 [] wait_for_helper+0x0/0x80 [] kernel_thread_helper+0x7/0x18 ======================= modprobe R running 0 10363 10362 f65f14e0 00000082 00000000 00000000 00000000 c8ec9e24 7fffffff f65f1634 f65f1634 c33aad00 f714d480 c0358340 c0358368 00000046 00000046 866d34ea 0001bf7b c33ab180 1d529e18 000001d3 00000000 c8ec9e58 7fffffff 00000002 Call Trace: [] schedule_timeout+0x69/0xa1 [] sched_clock_cpu+0xa8/0x121 [] check_preempt_wakeup+0xa1/0xb4 [] wait_for_common+0x9c/0x12a [] default_wake_function+0x0/0x8 [] __stop_machine_run+0x83/0x9e [] do_stop+0x0/0x110 [] __link_module+0x0/0x1f [] stop_machine_run+0x5/0x17 [] sys_init_module+0x17b7/0x1d41 [] prio_tree_insert+0x1f/0x23b [] qdisc_lock_tree+0x0/0x1c [] do_page_fault+0x12b/0x820 [] syscall_call+0x7/0xb [] log_buf_copy+0x16/0xab ======================= kstopmachine S 00000086 0 10364 2 f6b61bc0 00000046 f65f14e0 00000086 c011849f 00000003 00000086 f6b61d14 f6b61d14 c33aad00 f714d480 c0116d95 00000000 00000003 c8ec9e60 c8ec9e58 c8ec9e5c 00000282 00000000 c0117ce2 00000000 00000001 00000000 c8ec9e50 Call Trace: [] try_to_wake_up+0x5e/0xed [] __wake_up_common+0x46/0x68 [] complete+0x37/0x46 [] do_stop+0xdf/0x110 [] do_stop+0x0/0x110 [] kthread+0x34/0x55 [] kthread+0x0/0x55 [] kernel_thread_helper+0x7/0x18 ======================= kstopmachine ? e4cb5f88 0 10365 10364 f7070720 00000046 00000002 e4cb5f88 e4cb5f7c 00000000 f7070720 f7070874 f7070874 c3396d00 f7017100 f7070720 1d529e18 ffffffff f78e7ac4 f7070720 000000fb c013247a 00000001 00000000 00000000 00000000 f7070720 00000000 Call Trace: [] hrtimer_try_to_cancel+0x33/0x66 [] do_exit+0x477/0x6e6 [] stopmachine+0x0/0xaf [] kernel_thread_helper+0xd/0x18 ======================= kstopmachine ? 866db1c8 0 10366 10364 f658dbc0 00000046 c33a1180 866db1c8 00000246 c011acce f658dbc0 f658dd14 f658dd14 c33a0d00 f7351380 f658dbc0 00000286 c01323f7 f65fbb44 f658dbc0 00000000 c013247a 00000000 00000000 f658dbc0 00000000 f658dbc0 00000000 Call Trace: [] hrtick_set+0x5d/0xf4 [] lock_hrtimer_base+0x15/0x2f [] hrtimer_try_to_cancel+0x33/0x66 [] do_exit+0x477/0x6e6 [] stopmachine+0x0/0xaf [] kernel_thread_helper+0xd/0x18 ======================= kstopmachine ? e56aff88 0 10367 10364 f6577bc0 00000046 00000002 e56aff88 e56aff7c 00000000 f6577bc0 f6577d14 f6577d14 c33b4d00 f7072680 f6577bc0 1d529fae ffffffff f72ec744 f6577bc0 000000fd c013247a 00000001 00000000 00000000 00000000 f6577bc0 00000000 Call Trace: [] hrtimer_try_to_cancel+0x33/0x66 [] do_exit+0x477/0x6e6 [] stopmachine+0x0/0xaf [] kernel_thread_helper+0xd/0x18 ======================= sshd S c9ba5da8 0 11234 3078 f792ee00 00000082 00000002 c9ba5da8 c9ba5d9c 00000000 f795c040 f792ef54 f792ef54 c3396d00 f718cc80 ffffffff 1d53e8bf ffffffff 00000000 00000000 000000fb f792ee00 00000001 00000000 00000000 f6a1e180 7fffffff 00000000 Call Trace: [] schedule_timeout+0x69/0xa1 [] prepare_to_wait+0x12/0x4a [] unix_stream_recvmsg+0x35c/0x4e9 [] do_lookup+0x59/0x17d [] autoremove_wake_function+0x0/0x37 [] sock_aio_read+0xd2/0xeb [] kobject_get+0xf/0x13 [] do_sync_read+0xd2/0x10e [] do_filp_open+0x177/0x733 [] autoremove_wake_function+0x0/0x37 [] security_file_permission+0xc/0xd [] rw_verify_area+0x5a/0xb5 [] vfs_read+0x113/0x11a [] sys_read+0x41/0x6a [] syscall_call+0x7/0xb ======================= sshd S f62e1b38 0 11238 11234 f795c040 00000086 00000002 f62e1b38 f62e1b2c 00000000 c0358340 f795c194 f795c194 c3396d00 f71cab00 00000003 1d5c02a3 ffffffff 00000000 00000001 000000fb c0117d23 00000001 00000000 00000000 0000000a 00000000 00000000 Call Trace: [] __wake_up+0x32/0x42 [] schedule_timeout+0x69/0xa1 [] tty_poll+0x57/0x61 [] do_select+0x395/0x472 [] __pollwait+0x0/0xcf [] default_wake_function+0x0/0x8 Nov 4 11:32:51 arietis last message repeated 3 times [] __qdisc_run+0x78/0x19a [] nf_iterate+0x60/0x84 [] dev_queue_xmit+0x95/0x327 [] ip_finish_output+0x12a/0x290 [] ip_local_out+0x15/0x17 [] ip_queue_xmit+0x138/0x2e2 [] n_tty_receive_buf+0x2b7/0xf85 [] n_tty_receive_buf+0x2b7/0xf85 [] tcp_transmit_skb+0x3cd/0x74e [] lock_timer_base+0x19/0x35 [] __mod_timer+0x8f/0x9e [] sk_reset_timer+0xc/0x16 [] __tcp_push_pending_frames+0x10c/0x728 [] memcpy_toiovec+0x37/0x4e [] _spin_lock_bh+0x8/0x1e [] release_sock+0x12/0x8f [] tcp_sendmsg+0x783/0xa82 [] pty_write+0x39/0x41 [] tty_put_char+0x26/0x2b [] put_tty_queue+0x23/0x30 [] core_sys_select+0x1b9/0x2c2 [] sock_aio_write+0xcb/0xe5 [] tty_ioctl+0xe2/0xd32 [] do_sync_write+0xd2/0x10e [] autoremove_wake_function+0x0/0x37 [] sys_select+0x3f/0x1ad [] sys_write+0x41/0x6a [] syscall_call+0x7/0xb ======================= bash S c3807f00 0 11239 11238 f795d850 00000082 00000002 c3807f00 c3807ef4 00000000 db943ff0 f795d9a4 f795d9a4 c33a0d00 f7127980 00000000 1d53f8be ffffffff c035c864 c14e04ac 000000ff d31ec200 00000000 00000000 00000000 f795d850 f795d848 0000000e Call Trace: [] do_wait+0x53e/0xada [] task_new_fair+0x5b/0xab [] tty_ioctl+0x0/0xd32 [] default_wake_function+0x0/0x8 [] sys_wait4+0x69/0xa4 [] sys_waitpid+0x27/0x2b [] syscall_call+0x7/0xb [] xfrm_hash_resize+0x1b7/0x2b3 ======================= bash S 00000000 0 11668 11239 f705ca90 00000082 ca0d5065 00000000 c011ace8 fff90000 ffffffff f705cbe4 f705cbe4 c33b4d00 f7127380 00000000 c10a20ac c01022c1 00000082 c10a20ac 16b5b200 d6b5b200 00000000 c015650b 00000246 f705ca90 f705ca88 0000000e Call Trace: [] hrtick_set+0x77/0xf4 [] do_notify_resume+0x4a/0x70b [] handle_mm_fault+0x599/0x757 [] do_wait+0x53e/0xada [] tty_ioctl+0x0/0xd32 [] default_wake_function+0x0/0x8 [] sys_wait4+0x69/0xa4 [] sys_waitpid+0x27/0x2b [] syscall_call+0x7/0xb ======================= lsmod D ca1f7edc 0 12117 11668 f5a20a90 00000082 00000002 ca1f7edc ca1f7ed0 00000000 00000000 f5a20be4 f5a20be4 c33a0d00 f718c880 c1267400 1d54d6f0 00000000 000000d0 c0163fbe 000000fb f7803464 00000001 00000000 00000000 c035ce88 c035ce90 c035ce8c Call Trace: [] cache_alloc_refill+0x5b/0x4c9 [] __mutex_lock_slowpath+0x54/0x88 [] mutex_lock+0xa/0xb [] m_start+0xd/0x1d [] seq_read+0xd7/0x29f [] seq_read+0x0/0x29f [] proc_reg_read+0x52/0x6f [] vfs_read+0x89/0x11a [] proc_reg_read+0x0/0x6f [] sys_read+0x41/0x6a [] syscall_call+0x7/0xb ======================= sshd S c8d3bda8 0 16827 3078 f78fc3b0 00000082 00000002 c8d3bda8 c8d3bd9c 00000000 f5a214e0 f78fc504 f78fc504 c3396d00 f7351780 ffffffff 1d5a08a2 ffffffff 00000000 00000000 000000fb f78fc3b0 00000001 00000000 00000000 f6a1e780 7fffffff 00000000 Call Trace: [] schedule_timeout+0x69/0xa1 [] prepare_to_wait+0x12/0x4a [] unix_stream_recvmsg+0x35c/0x4e9 [] do_lookup+0x59/0x17d [] autoremove_wake_function+0x0/0x37 [] sock_aio_read+0xd2/0xeb [] kobject_get+0xf/0x13 [] do_sync_read+0xd2/0x10e [] do_filp_open+0x177/0x733 [] autoremove_wake_function+0x0/0x37 [] security_file_permission+0xc/0xd [] rw_verify_area+0x5a/0xb5 [] vfs_read+0x113/0x11a [] sys_read+0x41/0x6a [] syscall_call+0x7/0xb ======================= sshd S c93efb38 0 16831 16827 f5a214e0 00000086 00000002 c93efb38 c93efb2c 00000000 c0358340 f5a21634 f5a21634 c3396d00 f71ca700 00000003 1d6baf5f ffffffff 00000000 00000001 000000fb c0117d23 00000001 00000000 00000000 0000000a 00000000 00000000 Call Trace: [] __wake_up+0x32/0x42 [] schedule_timeout+0x69/0xa1 [] tty_poll+0x57/0x61 [] do_select+0x395/0x472 [] __pollwait+0x0/0xcf [] default_wake_function+0x0/0x8 Nov 4 11:32:51 arietis last message repeated 3 times [] ipt_do_table+0x1e0/0x323 [ip_tables] [] __qdisc_run+0x78/0x19a [] nf_iterate+0x60/0x84 [] dev_queue_xmit+0x95/0x327 [] ip_finish_output+0x12a/0x290 [] ip_local_out+0x15/0x17 [] ip_queue_xmit+0x138/0x2e2 [] ip_finish_output+0x12a/0x290 [] n_tty_receive_buf+0x2b7/0xf85 [] tcp_transmit_skb+0x3cd/0x74e [] lock_timer_base+0x19/0x35 [] __mod_timer+0x8f/0x9e [] sk_reset_timer+0xc/0x16 [] __tcp_push_pending_frames+0x10c/0x728 [] _spin_lock_bh+0x8/0x1e [] release_sock+0x12/0x8f [] tcp_sendmsg+0x783/0xa82 [] __wake_up+0x32/0x42 [] core_sys_select+0x1b9/0x2c2 [] sock_aio_write+0xcb/0xe5 [] do_sync_write+0xd2/0x10e [] autoremove_wake_function+0x0/0x37 [] sys_select+0x3f/0x1ad [] sys_write+0x41/0x6a [] syscall_call+0x7/0xb ======================= bash S e4263f00 0 16832 16831 f5a203b0 00000086 00000002 e4263f00 e4263ef4 00000000 dc1f5ff8 f5a20504 f5a20504 c33b4d00 f70b8300 00000000 1d5a0f2e ffffffff c035c864 c109264c 000000ff c4b11200 00000000 00000000 00000000 f5a203b0 f5a203a8 0000000e Call Trace: [] do_wait+0x53e/0xada [] task_new_fair+0x5b/0xab [] tty_ioctl+0x0/0xd32 [] default_wake_function+0x0/0x8 [] sys_wait4+0x69/0xa4 [] sys_waitpid+0x27/0x2b [] syscall_call+0x7/0xb [] xfrm_hash_resize+0x1b7/0x2b3 ======================= bash R running 0 16846 16832 00000046 c011f4ee 00000046 ffff8000 c03d52e7 00000000 c03d52e6 00000092 00000001 00000009 c03168c1 00000001 c02c0000 c0103b24 00000082 00000001 00000096 00000001 0000000a c0103bce c31be5c0 00000000 c0316783 c8f13ec3 Call Trace: [] release_console_sem+0x197/0x1c8 [] release_console_sem+0x197/0x1c8 [] printk+0x1b/0x1f [] printk+0x1b/0x1f [] print_trace_address+0x39/0x43 [] __kernel_text_address+0x18/0x23 [] touch_nmi_watchdog+0x3a/0x40 [] dump_trace+0x4a/0xe9 [] show_trace_log_lvl+0x21/0x37 [] show_stack_log_lvl+0xb0/0xd8 [] show_stack+0x2f/0x35 [] show_state_filter+0x4f/0x71 [] __handle_sysrq+0x7a/0x115 [] write_sysrq_trigger+0x0/0x2d [] write_sysrq_trigger+0x2b/0x2d [] proc_reg_write+0x52/0x6f [] vfs_write+0x8b/0x118 [] proc_reg_write+0x0/0x6f [] sys_write+0x41/0x6a [] syscall_call+0x7/0xb [] xfrm_hash_resize+0x1b7/0x2b3 =======================