/dev/dm-2: stat failed: No such file or directory
  Path /dev/dm-2 no longer valid for device(253,2)
  /dev/block/253:2: stat failed: No such file or directory
  Path /dev/block/253:2 no longer valid for device(253,2)
  /dev/debuild/karmic-amd64-sbuild-1d803a55-dbae-48eb-a744-5f62c020c6e2: stat failed: No such file or directory
  Path /dev/debuild/karmic-amd64-sbuild-1d803a55-dbae-48eb-a744-5f62c020c6e2 no longer valid for device(253,2)
  /dev/mapper/debuild-karmic--amd64--sbuild--1d803a55--dbae--48eb--a744--5f62c020c6e2: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--1d803a55--dbae--48eb--a744--5f62c020c6e2 no longer valid for device(253,2)
  /dev/dm-5: stat failed: No such file or directory
  Path /dev/dm-5 no longer valid for device(253,5)
  /dev/block/253:5: stat failed: No such file or directory
  Path /dev/block/253:5 no longer valid for device(253,5)
  /dev/mapper/debuild-karmic--amd64--sbuild--1d803a55--dbae--48eb--a744--5f62c020c6e2-cow: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--1d803a55--dbae--48eb--a744--5f62c020c6e2-cow no longer valid for device(253,5)
/usr/bin/apt-get  -q update
  /dev/dm-16: stat failed: No such file or directory
  Path /dev/dm-16 no longer valid for device(253,16)
  /dev/block/253:16: stat failed: No such file or directory
  Path /dev/block/253:16 no longer valid for device(253,16)
  /dev/debuild/karmic-amd64-sbuild-7c5c2547-6a70-4a02-b2e8-26ce1697832f: stat failed: No such file or directory
  Path /dev/debuild/karmic-amd64-sbuild-7c5c2547-6a70-4a02-b2e8-26ce1697832f no longer valid for device(253,16)
  /dev/mapper/debuild-karmic--amd64--sbuild--7c5c2547--6a70--4a02--b2e8--26ce1697832f: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--7c5c2547--6a70--4a02--b2e8--26ce1697832f no longer valid for device(253,16)
  /dev/dm-17: stat failed: No such file or directory
  Path /dev/dm-17 no longer valid for device(253,17)
  /dev/block/253:17: stat failed: No such file or directory
  Path /dev/block/253:17 no longer valid for device(253,17)
  /dev/mapper/debuild-karmic--amd64--sbuild--7c5c2547--6a70--4a02--b2e8--26ce1697832f-cow: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--7c5c2547--6a70--4a02--b2e8--26ce1697832f-cow no longer valid for device(253,17)
  /dev/dm-18: stat failed: No such file or directory
  Path /dev/dm-18 no longer valid for device(253,18)
  /dev/block/253:18: stat failed: No such file or directory
  Path /dev/block/253:18 no longer valid for device(253,18)
  /dev/debuild/karmic-amd64-sbuild-2f9237cd-df38-4085-8351-47af5d8e5436: stat failed: No such file or directory
  Path /dev/debuild/karmic-amd64-sbuild-2f9237cd-df38-4085-8351-47af5d8e5436 no longer valid for device(253,18)
  /dev/mapper/debuild-karmic--amd64--sbuild--2f9237cd--df38--4085--8351--47af5d8e5436: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--2f9237cd--df38--4085--8351--47af5d8e5436 no longer valid for device(253,18)
  /dev/dm-19: stat failed: No such file or directory
  Path /dev/dm-19 no longer valid for device(253,19)
  /dev/block/253:19: stat failed: No such file or directory
  Path /dev/block/253:19 no longer valid for device(253,19)
  /dev/mapper/debuild-karmic--amd64--sbuild--2f9237cd--df38--4085--8351--47af5d8e5436-cow: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--2f9237cd--df38--4085--8351--47af5d8e5436-cow no longer valid for device(253,19)
  /dev/dm-21: stat failed: No such file or directory
  Path /dev/dm-21 no longer valid for device(253,21)
  /dev/block/253:21: stat failed: No such file or directory
  Path /dev/block/253:21 no longer valid for device(253,21)
  /dev/debuild/karmic-amd64-sbuild-2d6f1f9c-0054-4ae1-9ee4-6c38337ccfe3: stat failed: No such file or directory
  Path /dev/debuild/karmic-amd64-sbuild-2d6f1f9c-0054-4ae1-9ee4-6c38337ccfe3 no longer valid for device(253,21)
  /dev/mapper/debuild-karmic--amd64--sbuild--2d6f1f9c--0054--4ae1--9ee4--6c38337ccfe3: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--2d6f1f9c--0054--4ae1--9ee4--6c38337ccfe3 no longer valid for device(253,21)
  /dev/dm-22: stat failed: No such file or directory
  Path /dev/dm-22 no longer valid for device(253,22)
  /dev/block/253:22: stat failed: No such file or directory
  Path /dev/block/253:22 no longer valid for device(253,22)
  /dev/mapper/debuild-karmic--amd64--sbuild--2d6f1f9c--0054--4ae1--9ee4--6c38337ccfe3-cow: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--2d6f1f9c--0054--4ae1--9ee4--6c38337ccfe3-cow no longer valid for device(253,22)