[OSRM-talk] osrm-datastore error code 21

[Julien Coupey]

Hi,

Not sure if you're hitting the same problem here, but I recall a related 
discussion happening a while back at:

https://github.com/Project-OSRM/osrm-backend/issues/1724

At least it provides a few hints on permissions and shared memory.

Julien

Le 26/01/2018 à 18:31, Daniel Patterson a écrit :
> Kieran,
> 
>    Hmm, we could probably improve the error handling here and make the 
> message a bit more useful.
> 
>    The problem is probably one of:
> 
>      1) Permission problems accessing /tmp/osrm.lock
>      2) Permission problems creating shared memory
> 
>    Code 21 is:
> 
> $ errno 21
> EISDIR 21 Is a directory
> 
>    So I'd suspect some bad filesystem permissions somewhere.  You can 
> try running the `osrm-datastore` command under `strace` and see if you 
> can spot the syscal that's failing with - that might give a hint as to 
> what's going wrong.
> 
> daniel
> 
> On Fri, Jan 26, 2018 at 8:57 AM, Kieran Caplice 
> <kieran.caplice at temetra.com <mailto:kieran.caplice at temetra.com>> wrote:
> 
>     Hello,
> 
>     I'm wondering if anyone can help out with this error I'm getting
>     when running osrm-datastore under a non-root user:
> 
>     root at htzh /opt/osrm # su - osrm -c "osrm-datastore
>     /opt/osrm/data/planet-latest/planet-latest.osrm"
>     [info] Loading data into REGION_1
>     [info] load names from:
>     "/opt/osrm/data/planet-latest/planet-latest.osrm.names"
>     [info] Allocating shared memory of 96772768369 bytes
>     [error] Error while attempting to allocate shared memory: Invalid
>     argument, code 21
>     terminate called after throwing an instance of 'osrm::util::exception'
>        what():  Invalid argumentinclude/storage/shared_memory.hpp:308
>     root at htzh /opt/osrm # su - osrm -c "ulimit -a | grep max"
>     max locked memory       (kbytes, -l) 128849018880
>     max memory size         (kbytes, -m) unlimited
>     max user processes              (-u) 1031189
> 
>     Available shared memory for the user has been increased in
>     /etc/security/limits.conf as per the wiki page, as shown above.
> 
>     The server has 256GB of RAM, with at least 200GB available most of
>     the time. I successfully ran osrm-datastore and osrm-routed as the
>     root user earlier, but we would ideally run it under a separate user.
> 
>     Thanks in advance.
> 
>     Kind regards,
>     Kieran Caplice
> 
> 
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