[Linux-ha-dev] Root cause for machine lockups in CVS head version

[Zhu, Yi]

On Wed, 14 Jan 2004, Alan Robertson wrote:

> It turns out I was mistaken.
> 
> I had turned off realtime behavior in heartbeat.
> 
> When I turned it back on, things hung again :-(
> 
> But, as you noted, a bash script continues to run.
> 
> It just can't read any interactive input, even with running "realbad" to
> set the priority of keventd.
> 
> I wonder if it's having problems from one of the *other* kernel daemon
> processes...

I tested with redhat 2.4.20-8 and vanilla 2.4.20, with your readbad.c
script, both OK. So no other kernel threads need to be dealt with.

Default heartbeat is RR priority 1
keventd is RR priority 98
the new bash is RR priority 97

Still don't know what's your problem.

> --
>      Alan Robertson <alanr at unix.sh>
> 
> "Openness is the foundation and preservative of friendship...  Let me
> claim
> from you at all times your undisguised opinions." - William Wilberforce
> 
> FLAGS (\Seen \Recent))
> 

-- 
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Zhu Yi (Chuyee)
Intel China Software Lab (ICSL)
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