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

[Rafael David Tinoco]

# verification with 5.0 kernel

(k)rafaeldtinoco at drbdtest01:~$ sudo dd if=/dev/zero of=/.loop bs=1M count=1024
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 2.25077 s, 477 MB/s
(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:~$ uname -a
Linux drbdtest01 5.0.0-44-generic #48~18.04.1-Ubuntu SMP Wed Mar 18 09:11:43 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

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

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