Re: [OMPI users] UC Permission denied, please try again.

2012-08-02 Thread Reuti
Am 02.08.2012 um 17:57 schrieb Syed Ahsan Ali: > Yes all the compute nodes are NFS mounted with the master node, so everthing > is same, all other nodes are accessible on ssh without password. Are you using a queuing system? SSH could be setup to work from the master node without passphrase,

Re: [OMPI users] UC Permission denied, please try again.

2012-08-02 Thread Syed Ahsan Ali
Yes all the compute nodes are NFS mounted with the master node, so everthing is same, all other nodes are accessible on ssh without password. On Thu, Aug 2, 2012 at 1:09 PM, John Hearns wrote: > On 02/08/2012, Syed Ahsan Ali wrote: > > Yes the

Re: [OMPI users] UC Permission denied, please try again.

2012-08-02 Thread Reuti
Am 02.08.2012 um 10:09 schrieb John Hearns: > On 02/08/2012, Syed Ahsan Ali wrote: >> Yes the issue has been diagnosed. I can ssh them but they are asking for >> passwords > > You need to configure 'passwordless ssh' Or ask the admin to provide it by hostbased

Re: [OMPI users] UC Permission denied, please try again.

2012-08-02 Thread John Hearns
On 02/08/2012, Syed Ahsan Ali wrote: > Yes the issue has been diagnosed. I can ssh them but they are asking for > passwords You need to configure 'passwordless ssh' Can we assume that your home directory is shared across all cluster nodes? That means when you log into a

Re: [OMPI users] UC Permission denied, please try again.

2012-08-02 Thread Syed Ahsan Ali
Yes the issue has been diagnosed. I can ssh them but they are asking for passwords On Wed, Aug 1, 2012 at 2:02 PM, Rushton Martin wrote: > That looks like a login issue to compute-02-02, -00 and -03. Can you > ssh to them? > > ** ** > > *From:*

Re: [OMPI users] Mpi_leave_pinned=1 is thread safe?

2012-08-02 Thread tmishima
Dear openmpi developers Unfortunately, there's no reply, but I have been continuing test run. Then, as far as I checked, there's no segfault with mpi_leave_pinned=0 or OMP_NUM_THREADS < 4. On the other hand, when I set mpi_leave_pinned=1 (and OMP_NUM_THREADS>=4), I often get segfault. Because

Re: [OMPI users] bug in CUDA support for dual-processor systems?

2012-08-02 Thread Dmitry N. Mikushin
Hi Zbigniew, > a) I noticed that on my 6-GPU 2-CPU platform the initialization of CUDA 4.2 > takes a long time, approx 10 seconds. > Do you think I should report this as a bug to nVidia? This is an expected time for creation of driver contexts on so many devices. I'm sure NVIDIA already