Further analysis of event storm log. The crux of the problem is when the LVM VG partition is detected. A cascade of duplicate synthesised 'change' events begins. This is where it starts. This sequence is the first. I've cut-out the intervening log messages:
run /sys/devices/pci0000:00/0000:00:09.0/host0/target0:0:0/0:0:0:0/block/sda/sda4 (1014) 'watershed sh -c '/sbin/lvm vgscan; /sbin/lvm vgchange -a y'' [1276] util_run_program: 'watershed sh -c '/sbin/lvm vgscan; /sbin/lvm vgchange -a y'' [829] handle_inotify: device /sys/devices/pci0000:00/0000:00:09.0/host0/target0:0:0/0:0:0:0/block/sda closed, synthesising 'change' [829] event_queue_insert: seq 1035 queued, 'change' 'block' [829] event_queue_manager: maximum number (1) of childs reached [829] handle_inotify: device /sys/devices/pci0000:00/0000:00:09.0/host0/target0:0:0/0:0:0:0/block/sda/sda1 closed, synthesising 'change' [829] event_queue_insert: seq 1036 queued, 'change' 'block' [829] handle_inotify: device /sys/devices/pci0000:00/0000:00:09.0/host0/target0:0:0/0:0:0:0/block/sda/sda1 closed, synthesising 'change' [829] event_queue_manager: maximum number (1) of childs reached [829] event_queue_insert: seq 1037 queued, 'change' 'block' [829] event_queue_manager: maximum number (1) of childs reached [829] handle_inotify: device /sys/devices/pci0000:00/0000:00:09.0/host0/target0:0:0/0:0:0:0/block/sda/sda2 closed, synthesising 'change' [829] event_queue_insert: seq 1038 queued, 'change' 'block' [829] handle_inotify: device /sys/devices/pci0000:00/0000:00:09.0/host0/target0:0:0/0:0:0:0/block/sda/sda2 closed, synthesising 'change' [829] event_queue_manager: maximum number (1) of childs reached [829] event_queue_insert: seq 1039 queued, 'change' 'block' [829] event_queue_manager: maximum number (1) of childs reached [829] handle_inotify: device /sys/devices/pci0000:00/0000:00:09.0/host0/target0:0:0/0:0:0:0/block/sda/sda3 closed, synthesising 'change' [829] event_queue_insert: seq 1040 queued, 'change' 'block' [829] handle_inotify: device /sys/devices/pci0000:00/0000:00:09.0/host0/target0:0:0/0:0:0:0/block/sda/sda3 closed, synthesising 'change' -- udev repeatedly generates "change" events for the same block device(s) https://bugs.launchpad.net/bugs/332270 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs