Sorry there are lots of INFO: task vsftpd:31878 blocked for more than 120 seconds. errors in the kernel logs also:
Dec 30 12:09:06 localhost kernel: [ 841.204124] INFO: task vsftpd:31878 blocked for more than 120 seconds. Dec 30 12:09:06 localhost kernel: [ 841.206412] Not tainted 3.13.0-43-generic #72-Ubuntu Dec 30 12:09:06 localhost kernel: [ 841.208721] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dec 30 12:09:06 localhost kernel: [ 841.211745] vsftpd D ffff88078fc33480 0 31878 878 0x00000000 Dec 30 12:09:06 localhost kernel: [ 841.211749] ffff8806d8dd9d40 0000000000000086 ffff880754cf4800 ffff8806d8dd9fd8 Dec 30 12:09:06 localhost kernel: [ 841.211753] 0000000000013480 0000000000013480 ffff880754cf4800 ffffffff81cdb7a0 Dec 30 12:09:06 localhost kernel: [ 841.211756] ffffffff81cdb7a4 ffff880754cf4800 00000000ffffffff ffffffff81cdb7a8 Dec 30 12:09:06 localhost kernel: [ 841.211760] Call Trace: Dec 30 12:09:06 localhost kernel: [ 841.211769] [<ffffffff81725539>] schedule_preempt_disabled+0x29/0x70 Dec 30 12:09:06 localhost kernel: [ 841.211772] [<ffffffff817273a5>] __mutex_lock_slowpath+0x135/0x1b0 Dec 30 12:09:06 localhost kernel: [ 841.211777] [<ffffffff811a2929>] ? __kmalloc+0x1e9/0x230 Dec 30 12:09:06 localhost kernel: [ 841.211779] [<ffffffff8172743f>] mutex_lock+0x1f/0x2f Dec 30 12:09:06 localhost kernel: [ 841.211784] [<ffffffff8161db61>] copy_net_ns+0x71/0x130 Dec 30 12:09:06 localhost kernel: [ 841.211788] [<ffffffff8108f899>] create_new_namespaces+0xf9/0x180 Dec 30 12:09:06 localhost kernel: [ 841.211791] [<ffffffff8108f993>] copy_namespaces+0x73/0xa0 Dec 30 12:09:06 localhost kernel: [ 841.211795] [<ffffffff81065b16>] copy_process.part.26+0x9a6/0x16b0 Dec 30 12:09:06 localhost kernel: [ 841.211797] [<ffffffff810669f5>] do_fork+0xd5/0x340 Dec 30 12:09:06 localhost kernel: [ 841.211800] [<ffffffff81066ce6>] SyS_clone+0x16/0x20 Dec 30 12:09:06 localhost kernel: [ 841.211804] [<ffffffff81731a09>] stub_clone+0x69/0x90 Dec 30 12:09:06 localhost kernel: [ 841.211806] [<ffffffff817316ad>] ? system_call_fastpath+0x1a/0x1f Dec 30 12:09:06 localhost kernel: [ 841.211809] INFO: task vsftpd:31886 blocked for more than 120 seconds. Dec 30 12:09:06 localhost kernel: [ 841.214584] Not tainted 3.13.0-43-generic #72-Ubuntu Dec 30 12:09:06 localhost kernel: [ 841.216778] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Dec 30 12:09:06 localhost kernel: [ 841.220142] vsftpd D ffff88078fc13480 0 31886 878 0x00000000 Dec 30 12:09:06 localhost kernel: [ 841.220146] ffff88069cff7d40 0000000000000082 ffff880662351800 ffff88069cff7fd8 Dec 30 12:09:06 localhost kernel: [ 841.220149] 0000000000013480 0000000000013480 ffff880662351800 ffffffff81cdb7a0 Dec 30 12:09:06 localhost kernel: [ 841.220152] ffffffff81cdb7a4 ffff880662351800 00000000ffffffff ffffffff81cdb7a8 Dec 30 12:09:06 localhost kernel: [ 841.220156] Call Trace: Dec 30 12:09:06 localhost kernel: [ 841.220160] [<ffffffff81725539>] schedule_preempt_disabled+0x29/0x70 Dec 30 12:09:06 localhost kernel: [ 841.220163] [<ffffffff817273a5>] __mutex_lock_slowpath+0x135/0x1b0 Dec 30 12:09:06 localhost kernel: [ 841.220166] [<ffffffff811a2929>] ? __kmalloc+0x1e9/0x230 Dec 30 12:09:06 localhost kernel: [ 841.220169] [<ffffffff8172743f>] mutex_lock+0x1f/0x2f Dec 30 12:09:06 localhost kernel: [ 841.220172] [<ffffffff8161db61>] copy_net_ns+0x71/0x130 Dec 30 12:09:06 localhost kernel: [ 841.220175] [<ffffffff8108f899>] create_new_namespaces+0xf9/0x180 Dec 30 12:09:06 localhost kernel: [ 841.220178] [<ffffffff8108f993>] copy_namespaces+0x73/0xa0 Dec 30 12:09:06 localhost kernel: [ 841.220181] [<ffffffff81065b16>] copy_process.part.26+0x9a6/0x16b0 Dec 30 12:09:06 localhost kernel: [ 841.220184] [<ffffffff810669f5>] do_fork+0xd5/0x340 Dec 30 12:09:06 localhost kernel: [ 841.220188] [<ffffffff81066ce6>] SyS_clone+0x16/0x20 Dec 30 12:09:06 localhost kernel: [ 841.220191] [<ffffffff81731a09>] stub_clone+0x69/0x90 Dec 30 12:09:06 localhost kernel: [ 841.220194] [<ffffffff817316ad>] ? system_call_fastpath+0x1a/0x1f -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to vsftpd in Ubuntu. https://bugs.launchpad.net/bugs/1406605 Title: vsftp processes crashes Ubuntu by using all of the available memory To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/1406605/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs