Test on Cosmic:
Before:
$ uname -a Linux bionic 4.17.0-7-generic #8-Ubuntu SMP Fri Aug 3 15:55:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux $ echo 9 | sudo tee /proc/sys/kernel/printk 9 $ sudo losetup --find --show --partscan rlv_grkgld.1mb <hung> [ 37.274451] partition (null) (20 pp's found) is not contiguous [ 37.278839] partition (null) (8 pp's found) is not contiguous [ 37.281066] partition (null) (8 pp's found) is not contiguous ... [ 37.330987] partition (null) (1 pp's found) is not contiguous [ 37.334092] partition (null) (63 pp's found) is not contiguous [ 37.336130] partition (null) (1 pp's found) is not contiguous
After:
$ uname -a Linux bionic 4.17.0-7-generic #8+sf181954.1 SMP Wed Aug 15 13:40:48 -03 2018 x86_64 x86_64 x86_64 GNU/Linux $ echo 9 | sudo tee /proc/sys/kernel/printk 9 $ sudo losetup --find --show --partscan rlv_grkgld.1mb /dev/loop0
Test on Cosmic:
Before:
$ uname -a kernel/ printk
Linux bionic 4.17.0-7-generic #8-Ubuntu SMP Fri Aug 3 15:55:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
$ echo 9 | sudo tee /proc/sys/
9
$ sudo losetup --find --show --partscan rlv_grkgld.1mb
<hung>
[ 37.274451] partition (null) (20 pp's found) is not contiguous
[ 37.278839] partition (null) (8 pp's found) is not contiguous
[ 37.281066] partition (null) (8 pp's found) is not contiguous
...
[ 37.330987] partition (null) (1 pp's found) is not contiguous
[ 37.334092] partition (null) (63 pp's found) is not contiguous
[ 37.336130] partition (null) (1 pp's found) is not contiguous
After:
$ uname -a kernel/ printk
Linux bionic 4.17.0-7-generic #8+sf181954.1 SMP Wed Aug 15 13:40:48 -03 2018 x86_64 x86_64 x86_64 GNU/Linux
$ echo 9 | sudo tee /proc/sys/
9
$ sudo losetup --find --show --partscan rlv_grkgld.1mb
/dev/loop0