[mpich-discuss] [discuss-mpich]Error while using mpirun

[Hirakjyoti Sarma]

I used

*mpiexec -host <hostname> -n 2 /path/to/executable -in in.script *


*But the following error shows up:*
I













*nvalid error code (-2) (error ring index 127 invalid)INTERNAL ERROR:
invalid error code fffffffe (Ring Index out of range) in
MPID_nem_tcp_init:373Fatal error in PMPI_Init: Other MPI error, error
stack:MPIR_Init_thread(586)..............:
MPID_Init(224).....................: channel initialization
failedMPIDI_CH3_Init(105)................:
MPID_nem_init(324).................: MPID_nem_tcp_init(175).............:
MPID_nem_tcp_get_business_card(401): MPID_nem_tcp_init(373).............:
gethostbyname failed, hirakjyoti-HP-dx2480-MT-KL969AV (errno 0)Invalid
error code (-2) (error ring index 127 invalid)INTERNAL ERROR: invalid error
code fffffffe (Ring Index out of range) in MPID_nem_tcp_init:373Fatal error
in PMPI_Init: Other MPI error, error
stack:MPIR_Init_thread(586)..............:
MPID_Init(224).....................: channel initialization failed*




*MPIDI_CH3_Init(105)................: MPID_nem_init(324).................:
MPID_nem_tcp_init(175).............: MPID_nem_tcp_get_business_card(401):
MPID_nem_tcp_init(373).............: gethostbyname failed,
hirakjyoti-HP-dx2480-MT-KL969AV (errno 0)*

I tried changing the <hostname> to localhost also but still it shows me the
same error.

On Tue, 5 Jan 2021 at 21:10, Zhou, Hui <zhouh at anl.gov> wrote:

> Hi Hirakjyoti Sarma,
>
>
>
> Note that your local hostname was “*hirakjyoti-HP-dx2480-MT-KL969AV*”
> according to your log. If you edit hosts file, you should simply add new
> entries rather than overwriting “localhost” because “localhost” is useful
> and maybe important for some applications. There are a few options other
> than adding entries to hosts file. You could directly set hosts on command
> line, e.g. `mpiexec -hosts=localhost …`. There is also an environment
> variable for ch3 nemesis – you may try set
> `MPIR_CVAR_CH3_INTERFACE_HOSTNAME` to e.g. “localhost”.
>
>
>
> --
> Hui Zhou
>
>
>
>
>
> *From: *Hirakjyoti Sarma via discuss <discuss at mpich.org>
> *Date: *Monday, January 4, 2021 at 10:38 PM
> *To: *discuss at mpich.org <discuss at mpich.org>
> *Cc: *Hirakjyoti Sarma <herockx1995 at gmail.com>
> *Subject: *Re: [mpich-discuss] [discuss-mpich]Error while using mpirun
>
> I opened the hosts file by using Vi and changed "localhost"  to "
> hirakjyoti---- " and then saved it and closed and then rebooted the PC. But
> even after that the problem persists.
>
>
>
> On Tue, 5 Jan 2021 at 10:04, Hirakjyoti Sarma <herockx1995 at gmail.com>
> wrote:
>
> Its 3.3.2-build1
>
>
>
> On Tue, 5 Jan 2021 at 02:40, Zhou, Hui <zhouh at anl.gov> wrote:
>
> Hi Hirakjyoti Sarma,
>
>
>
> Could you identify the MPICH version?
>
>
>
> --
> Hui Zhou
>
>
>
>
>
> *From: *Hirakjyoti Sarma via discuss <discuss at mpich.org>
> *Date: *Monday, January 4, 2021 at 10:59 AM
> *To: *discuss at mpich.org <discuss at mpich.org>
> *Cc: *Hirakjyoti Sarma <herockx1995 at gmail.com>
> *Subject: *[mpich-discuss] [discuss-mpich]Error while using mpirun
>
>
> Dear all,
>
> I get the following error while running LAMMPS on ubuntu *without an
> internet connection.*
>
>
>
>
>
>
>
>
>
>
>
>
>
> *Invalid error code (-2) (error ring index 127 invalid) Invalid error code
> (-2) (error ring index 127 invalid) INTERNAL ERROR: invalid error code
> fffffffe (Ring Index out of range) in MPID_nem_tcp_init:373 Fatal error in
> PMPI_Init: Other MPI error, error stack:
> MPIR_Init_thread(586)..............:  MPID_Init(224).....................:
> channel initialization failed MPIDI_CH3_Init(105)................:
> MPID_nem_init(324).................:  MPID_nem_tcp_init(175).............:
> MPID_nem_tcp_get_business_card(401):  MPID_nem_tcp_init(373).............:
> gethostbyname failed, hirakjyoti-HP-dx2480-MT-KL969AV (errno 0)*
>
>
>
> But if the PC is  connected to internet LAMMPS successfully run.
>
> How can i solve the problem?
>
>
>
> Regards,
>
> Hirak
>
>
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