[DragonFlyBSD - Bug #2843] (New) Fails to create dm device via dmsetup

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #2843 has been reported by tkusumi.

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Bug #2843: Fails to create dm device via dmsetup
http://bugs.dragonflybsd.org/issues/2843

* Author: tkusumi
* Status: New
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
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There seems to be an issue with device mapper on dfly.
This happens with dm-error target as well.
I'll try to investigate and fix when possible (since I want dm-flakey on dfly).


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# uname
Linux
# dmsetup create zero1 --table '0 100 zero'
# ls -l /dev/mapper/zero*
lrwxrwxrwx 1 root root 7 Sep 29 00:14 /dev/mapper/zero1 -> ../dm-3
# dmsetup create zero2 --table '0 100 zero'
# ls -l /dev/mapper/zero*
lrwxrwxrwx 1 root root 7 Sep 29 00:14 /dev/mapper/zero1 -> ../dm-3
lrwxrwxrwx 1 root root 7 Sep 29 00:14 /dev/mapper/zero2 -> ../dm-4

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# uname
DragonFly
# kldload dm
# dmsetup create zero1 --table '0 100 zero'
# ls -l /dev/mapper/zero*
crw-r-----  1 root  operator   66, 0x1e110007 Sep 29 00:01 /dev/mapper/zero1
# dmsetup create zero2 --table '0 100 zero'
ioctl create call failed: File exists

Command failed
# ls -l /dev/mapper/zero*
crw-r-----  1 root  operator   66, 0x1e110007 Sep 29 00:01 /dev/mapper/zero1




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