[DRBD-user] disconnecting hangs after ko-count failure

Walter Haidinger walter.haidinger at gmx.at
Wed Jan 23 10:04:36 CET 2008

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

> > Very good idea! However,  have not used sysrq yet, and
> > Documentation/sysrq.txt doesn't know about showtasks, so how do I do
> > this, i.e. what do I write to /proc/sysrq-trigger?
> echo 1 > /proc/sys/kernel/sysrq
> echo h > /proc/sysrq-trigger
> dmesg | tail
> gives you the "help line".
> capital letters indicate the triggers, which are to be used
> (as lower case, though) for the respective action.
> so, echo w or echo t.
> unfortunately, t dumps all tasks, which is likely too much to fit in the
> kernel printk buffer (unless you first kill everything else...),
> wrapping that around. so maybe there is good information there, maybe
> the interessting parts got overwritten by wraparound.

Thanks. I hope I've got time to do this tonight. I'll try to kill most of the running processes first.

Also, since I will reboot anyways then, I'll try 8.2.4 to see if it the problem goes away (the other node is already prepared with 8.2.4 and rebootet). 

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