Hi, dmesg: [ 605.178422] INFO: task systemd-udevd:326 blocked for more than 120 seconds. [ 605.178434] Not tainted 4.11.0-041100rc8-generic #201704232131 [ 605.178437] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 605.178442] systemd-udevd D 0 326 1 0x00000104 [ 605.178449] Call Trace: [ 605.178467] __schedule+0x3c6/0x8c0 [ 605.178474] schedule+0x36/0x80 [ 605.178479] schedule_preempt_disabled+0xe/0x10 [ 605.178484] __mutex_lock.isra.5+0x26d/0x4e0 [ 605.178492] __mutex_lock_slowpath+0x13/0x20 [ 605.178497] ? __mutex_lock_slowpath+0x13/0x20 [ 605.178501] mutex_lock+0x2f/0x40 [ 605.178508] __blkdev_get+0x121/0x440 [ 605.178513] blkdev_get+0x12a/0x330 [ 605.178519] blkdev_open+0x5b/0x70 [ 605.178523] do_dentry_open+0x20a/0x310 [ 605.178528] ? bd_acquire+0xd0/0xd0 [ 605.178533] vfs_open+0x4e/0x80 [ 605.178540] path_openat+0x623/0x1500 [ 605.178546] ? kernfs_seq_stop_active+0x2b/0x30 [ 605.178552] do_filp_open+0x99/0x110 [ 605.178558] ? _crng_backtrack_protect+0x62/0x80 [ 605.178562] ? __check_object_size+0x100/0x19d [ 605.178567] do_sys_open+0x130/0x220 [ 605.178571] ? do_sys_open+0x130/0x220 [ 605.178576] SyS_open+0x1e/0x20 [ 605.178582] do_syscall_64+0x5b/0xc0 [ 605.178586] entry_SYSCALL64_slow_path+0x25/0x25 [ 605.178590] RIP: 0033:0x7f4a8b59bd70 [ 605.178593] RSP: 002b:00007fff0a24e0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 605.178598] RAX: ffffffffffffffda RBX: 00007fff0a24e150 RCX: 00007f4a8b59bd70 [ 605.178600] RDX: 0000561d1157fd23 RSI: 00000000000a0800 RDI: 0000561d12af1c10 [ 605.178603] RBP: 00007fff0a24e600 R08: 0000561d1157f400 R09: 0000000000000000 [ 605.178605] R10: 0000561d12ab4e40 R11: 0000000000000246 R12: 00007fff0a24e260 [ 605.178607] R13: 0000561d12aa2010 R14: 0000561d12aaa0e0 R15: 00007fff0a24e130 Regards, -- Cristian -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
