[mvapich-discuss] totalview - No message queue display is available

[Scott Brozell]

Hi,

Thanks Hari.

1.  
Web searching had landed me at
https://mvapich.cse.ohio-state.edu/static/media/mvapich/mvapich2-x-2.3-userguide.html
where i didn't see that "-X" which didn't mark the spot :).

FWIW, i recommend being a big spender with characters and 
replacing X with Hybrid or less enthusiastically, since humans 
operate better with words, PGAS.
(Or at the very least, replace X with dX since MVAPICH2-X is a 
derivative of MVAPICH2 :)))

2.
The deadlock condition disappeared when using the only debug build
already installed at my supercomputer center, namely mvapich2/2.2-debug.
And the temporary totalview license has expired.

FWIW, I followed the recipe in 5.2.12 for running the program and
errors wrt options to the application program were produced. 
Ultimately, i re-used what i had been using before:
totalview --args mpiexec -np 4 sander.MPI -O ...

scott

On Thu, Jun 25, 2020 at 08:38:14PM +0000, Subramoni, Hari wrote:
> Hi, Scott
> 
> I assume you've built MVAPICH2 with the necessary debug options (--enable-g=dbg --enable-fast=none).
> 
> If so, the following section of the user guide has incantations required to use Totalview
> 
> http://mvapich.cse.ohio-state.edu/static/media/mvapich/mvapich2-2.3.4-userguide.html#x1-490005.2.12
> 
> Please let us know if you face any issues or required assistance.
> 
> On a slightly different note, we recently released MVAPICH2 2.3.4 GA. If possible, we would highly recommend that you use this for the best performance and bug fixes.
> 
> Thx,
> Hari.
> 
> -----Original Message-----
> From: mvapich-discuss-bounces at cse.ohio-state.edu <mvapich-discuss-bounces at mailman.cse.ohio-state.edu> On Behalf Of Scott Brozell
> Sent: Thursday, June 25, 2020 4:29 PM
> To: mvapich-discuss at cse.ohio-state.edu <mvapich-discuss at mailman.cse.ohio-state.edu>
> Subject: [mvapich-discuss] totalview - No message queue display is available
> 
> Hi,
> 
> Using a supercomputer center installed mvapich2/2.3.3 and an executable built with -O0 -g and gnu/9.1.0, i am unable to use Displaying Message Queue State in totalview/2020.1.13.  A popup indicating "No message queue display is available" always occurs.
> I do not see totalview mentioned in your user guide.
> Is a special incantation needed ?
> 
> I am debugging a likely deadlock condition.
> 
> thanks,
> scott
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