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


From: Al Chu
Subject: Re: [Freeipmi-users] ipmipower fails if redirecting stdin to /dev/null
Date: Wed, 14 Sep 2011 07:39:38 -0700

Great.  It'll be in the next release of FreeIPMI.

Al

On Wed, 2011-09-14 at 01:24 -0700, Peter Kruse wrote:
> Hi Al,
> 
> yes, that works!
> 
> thanks a lot.
> 
>   Peter
> 
> On 09/13/2011 11:57 PM, Albert Chu wrote:
> > 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




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