[Bug 1866458] Re: drbd not working after kernel upgrade 5.0.x -> 5.3.x

[Rafael David Tinoco]

@rbasak,

## Before my package is installed:

$ dpkg -l drbd-utils | grep RAID
ii  drbd-utils     8.9.10-2     amd64        RAID 1 over TCP/IP for Linux (user utilities)

$ sudo losetup --find --show /.loop
/dev/loop0

$ sudo drbdadm create-md r0
initializing activity log
NOT initializing bitmap
Writing meta data...
New drbd meta data block successfully created.

$ sudo drbdadm -v up r0
drbdsetup-84 new-resource r0
drbdsetup-84 new-minor r0 0 0
drbdmeta 0 v08 /dev/loop0 internal apply-al
drbdsetup-84 attach 0 /dev/loop0 /dev/loop0 internal
drbdsetup-84 connect r0 ipv4:10.250.99.19:7788 ipv4:10.250.99.25:7788 --protocol=C --cram-hmac-alg=sha1 --shared-secret=secret

$ uname -a
Linux drbdtest01 4.15.0-92-generic #93-Ubuntu SMP Mon Mar 16 19:44:23 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

$ ls /dev/drbd0
/dev/drbd0

## And after my package is installed:

(k)rafaeldtinoco at drbdtest01:~$ uname -a
Linux drbdtest01 4.15.0-92-generic #93-Ubuntu SMP Mon Mar 16 19:44:23 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

(k)rafaeldtinoco at drbdtest01:~$ sudo losetup --find --show /.loop
/dev/loop0

(k)rafaeldtinoco at drbdtest01:~$ sudo drbdadm create-md r0
initializing activity log
NOT initializing bitmap
Writing meta data...
New drbd meta data block successfully created.

(k)rafaeldtinoco at drbdtest01:~$ sudo drbdadm -v up r0
drbdsetup-84 new-resource r0
drbdsetup-84 new-minor r0 0 0
drbdmeta 0 v08 /dev/loop0 internal apply-al
drbdsetup-84 attach 0 /dev/loop0 /dev/loop0 internal
drbdsetup-84 connect r0 ipv4:10.250.99.19:7788 ipv4:10.250.99.25:7788 --protocol=C --cram-hmac-alg=sha1 --shared-secret=secret 

(k)rafaeldtinoco at drbdtest01:~$ dpkg -l drbd-utils | grep RAID
ii  drbd-utils     8.9.10-2ubuntu1~ppa1 amd64        RAID 1 over TCP/IP for Linux (user utilities)

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Title:
  drbd  not working after kernel upgrade 5.0.x -> 5.3.x

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