From mboxrd@z Thu Jan  1 00:00:00 1970
References: <55B9E768.6050209@free.fr> <55BB9D9F.5050508@free.fr>
From: Philippe Gerum <rpm@xenomai.org>
Message-ID: <55BBA495.1000102@xenomai.org>
Date: Fri, 31 Jul 2015 18:38:45 +0200
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Subject: Re: [Xenomai] running as user issue
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To: =?UTF-8?Q?St=c3=a9phane_ANCELOT?= <sancelot@free.fr>, "xenomai@xenomai.org" <xenomai@xenomai.org>

On 07/31/2015 06:09 PM, St=E9phane ANCELOT wrote:
> giving a+rwx access to /dev/shm/xeno:mysession.heap permits to run
> xenomai_init,

This does not make sense unless you are trying to bind to an existing
session with incompatible user privileges.

> but unfortunately, the heap alloc / binds do not work.

I'm sorry, I have no clue about what you are trying to do. More details
would probably help, like how many processes share the same session,
what are their respective user/privileges, which Xenomai-specific
command line switches are passed to them?

> Regards,
> S.Ancelot
>=20
> On 30/07/2015 10:59, St=E9phane ANCELOT wrote:
>> Hi,
>>
>> I have problems running as user.
>>
>> pshared mode is enabled,
>> conf tunables are defined (session_label , and mem_pool_size overloaded)
>> and the program is running as root.
>>
>> user's group 1000 has been echoed to
>> /sys/module/xenomai/parameters/allowed_group
>>
>> xenomai_init() reports EACCESS, although ulimit set up to unlimited
>> memory lock.
>>
>>
>> ulimit -a
>> core file size          (blocks, -c) 0
>> data seg size           (kbytes, -d) unlimited
>> scheduling priority             (-e) 0
>> file size               (blocks, -f) unlimited
>> pending signals                 (-i) 15346
>> max locked memory       (kbytes, -l) unlimited
>> max memory size         (kbytes, -m) unlimited
>> open files                      (-n) 65536
>> pipe size            (512 bytes, -p) 8
>> POSIX message queues     (bytes, -q) 819200
>> real-time priority              (-r) 0
>> stack size              (kbytes, -s) 8192
>> cpu time               (seconds, -t) unlimited
>> max user processes              (-u) 15346
>> virtual memory          (kbytes, -v) unlimited
>> file locks                      (-x) unlimited
>>
>>
>>  ./print_erreur
>> conf tunable
>> mem pool size=3D5000000
>>    0"003.362| WARNING: [main] failed to initialize main shared heap
>>    0"003.439| WARNING: [main] setup call copperplate failed
>>    0"003.493| BUG in xenomai_init(): [main] initialization failed, EACCES
>>
>> Regards,
>> Steph
>>
>>
>> _______________________________________________
>> Xenomai mailing list
>> Xenomai@xenomai.org
>> http://xenomai.org/mailman/listinfo/xenomai
>=20
>=20
> _______________________________________________
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>=20


--=20
Philippe.