[DRBD-user] Kernel panic from drdbadm on CentOS 6

Fosforo fosforo at gmail.com
Tue Aug 16 15:14:29 CEST 2011

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

in the past I've been in the same problem, the bug thing was the kernel
module designed for centos being used in RHEL or vice versa. It was solved
hiring support from linbit, which provided us new non-buggy compiled kernel

On Aug 16, 2011 7:30 AM, "David Coulson" <david at davidcoulson.net> wrote:


The last thing I got from RedHat when I sent them a vmcore was:

"We've gone through the analysis of the cores that you have provided it
looks as though the panic in both cases was from trying to dereference a
NULL 'sk' pointer from the 'sock_net' function."

so it sounds like we're both experiencing the same thing as this person:


I can reproduce it every time I reboot one of my nodes (I am running
cman/clvmd/pacemaker/gfs2 on top of DRBD). I am in the process of getting
DRBD support from Linbit to actually resolve this issue, but internal
politics where I work is making it take longer than I was expecting.

I do have a pair of older RHEL6 (pretty much initial 6.0 release plus a
couple of patches from before February) systems running DRBD happily - I did
take my kernel back to an earlier release on the unstable boxes and that
didn't seem to do much for me.


On 8/15/11 10:38 AM, Dominik Epple wrote: > > Hi list, > > we are facing
kernel panics with CentOS...
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