Re: [Freeipmi-users] ipmipower fails if redirecting stdin to /dev/null

[Albert Chu]

Hi Peter,

I got this beta that should solve your problem.

http://download.gluster.com/pub/freeipmi/qa-release/freeipmi-1.0.7.beta0.tar.gz

can you let me know if it works for you?

Al

On Tue, 2011-09-13 at 11:31 -0700, Albert Chu wrote:
> Hi Peter,
> 
> On Tue, 2011-09-13 at 03:13 -0700, Peter Kruse wrote:
> > Hello,
> > 
> > I'm using ipmipower to suspend and resume compute nodes in our clusters.
> > But it seems that the batch scheduler calls the command with
> > stdin redirected to /dev/null, which makes ipmipower exit
> > with a status of 1, and not suspending the node, instead
> > it logs a message:
> > 
> > ipmipower[28320]: Cbuf_write_from_fd(0): Bad file descriptor
> > 
> > I'm wondering if it is really is necessary for ipmipower
> > to read from stdin.
> 
> Ipmipower can be run in an interactive or non-interactive mode.  It
> currently checks for data from stdin no matter what, but I suppose it
> wouldn't be a big deal to eliminate that stdin when we know the user
> won't be interacting w/ the ipmipower prompt at all.
> 
> Let me try and get a beta out for you to try later today.
> 
> Al
> 
> > As a workaround I call ipmipower in a screen(1) session.
> > You can reproduce this behaviour from the command line
> > if you run for example:
> > 
> > ipmipower  -h [address] -u [user] -p [pass] -n < /dev/null
> > 
> > I tested it under ubuntu/lucid and debian/squeeze
> > both with the shipped version 0.7.15 but
> > also with the latest version 1.0.6.
> > 
> > Regards,
> > 
> >   Peter
> > 
> > ps: I am not subscribed to this list, it would be
> >     kind if you could CC me on replies.
> > 
> > _______________________________________________
> > Freeipmi-users mailing list
> > address@hidden
> > https://lists.gnu.org/mailman/listinfo/freeipmi-users
-- 
Albert Chu
address@hidden
Computer Scientist
High Performance Systems Division
Lawrence Livermore National Laboratory