http://bugzilla.opensuse.org/show_bug.cgi?id=969017 Bug ID: 969017 Summary: multipath support is broken Classification: openSUSE Product: openSUSE Tumbleweed Version: 2015* Hardware: x86-64 OS: SUSE Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: bart@bartvanassche.be QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- The following test hangs with RPM kernel-default-4.4.0-3.1.x86_64 (see also kernel.org commit e9637415a92cf25ad800b7fdeddcd30cce7b44ab for the full test description): # modprobe scsi_debug dev_size_mb=10 num_tgts=1 opt_blks=1536 # lsscsi | grep debug [17352:0:0:0]disk Linux scsi_debug 0184 /dev/sds # cat /sys/block/sds/queue/optimal_io_size 1536 # dmsetup create node --table "0 100 linear /dev/sds 0" (hangs in the semop() system call) ^C Paths appear as failed after disconnecting and reconnecting multipath controlled storage. The following message appears in the kernel log: [958779.753012] device-mapper: table: 254:0: adding target device sdg caused an alignment inconsistency: physical_block_size=4096, logical_block_size=512, alignment_offset=0, start=0 -- You are receiving this mail because: You are on the CC list for the bug.