Public bug reported:
When you use the same resource for 2 minors, it crashes the kernel. Of
course you should not do that, though I think it should not crash the
kernel. The expected output is just an error message. This makes DRBD
resource/minor management more difficult and also kind of dangerous.
DRBD 8.3 does not have this problem, probably because it works a bit
different with resources/minors.
Steps to reproduce:
* drbdsetup new-resource test1
* drbdsetup new-minor test1 1 0
* drbdsetup new-minor test1 3 0
It exits showing the message 'Killed'. The kernel log shows some errors
and DRBD is not usable anymore. After a short while or when executing
other drbdsetup commands, the whole system crashes.
I am not sure whether it's the utils package, or the kernel module.
System info:
Description: Ubuntu 14.04 LTS
Release: 14.04
drbd8-utils version: 2:8.4.4-1ubuntu1
Installed kernel: linux-image-3.13.0-24-generic 3.13.0-24.47
** Affects: drbd8 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1317833
Title:
DRBD 8.4 kernel crash when using same resource for 2 minors
Status in “drbd8” package in Ubuntu:
New
Bug description:
When you use the same resource for 2 minors, it crashes the kernel. Of
course you should not do that, though I think it should not crash the
kernel. The expected output is just an error message. This makes DRBD
resource/minor management more difficult and also kind of dangerous.
DRBD 8.3 does not have this problem, probably because it works a bit
different with resources/minors.
Steps to reproduce:
* drbdsetup new-resource test1
* drbdsetup new-minor test1 1 0
* drbdsetup new-minor test1 3 0
It exits showing the message 'Killed'. The kernel log shows some
errors and DRBD is not usable anymore. After a short while or when
executing other drbdsetup commands, the whole system crashes.
I am not sure whether it's the utils package, or the kernel module.
System info:
Description: Ubuntu 14.04 LTS
Release: 14.04
drbd8-utils version: 2:8.4.4-1ubuntu1
Installed kernel: linux-image-3.13.0-24-generic 3.13.0-24.47
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/drbd8/+bug/1317833/+subscriptions
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