Re: [RTnet-developers] ETH_P_ALL feature

[Jan K. <jan...@we...>]

Jorge Almeida wrote:
> Jan
>=20
> With the changes in the stack managersomething happen to the trask that=
 distribute the several messages.
> It is not started when i load rtnet.
>=20
> Me test machine has the following modules inserted:
> Module                  Size  Used by
> rtpacket                5120  0
> rtipv4                 21664  0
> rtcap                  16384  0
> rt_8139too             11904  6
> rtnet                  30092  4 rtpacket,rtipv4,rtcap,rt_8139too
> rtai_rtdm              22176  4 rtpacket,rtipv4,rt_8139too,rtnet
> rtai_shm                8832  0
> rtai_sem               17664  2 rtnet,rtai_rtdm
> rtai_lxrt              74904  7 rtipv4,rtcap,rt_8139too,rtnet,rtai_rtdm=
,rtai_shm,rtai_sem
> rtai_hal               69840  8 rtcap,rt_8139too,rtnet,rtai_rtdm,rtai_s=
hm,rtai_sem,rtai_lxrt
> sis900                 19840  0
>=20
> and the /proc/rtai/names file has the following:
>=20
> RTAI LXRT Information.
>=20
>     MAX_SLOTS =3D 150
>=20
>                                          Linux_Owner         Parent PID=

> Slot Name   ID         Type   RT_Handle    Pointer   Tsk_PID   MEM_Sz  =
 USG Cnt
> -----------------------------------------------------------------------=
--------
>  190 RTGLBF 0x9ac6d9e5 SHMEM  0xe09f1000 0x00000000        0    2097152=
       1
> tester1:/home/nfs_share/rtnet #   =20
>=20
> it should have several semaphores and at least a task for rtnet.
> When i run the example that i send to you several days ago, just the se=
nding part the file has
> tester1:/home/nfs_share/rtnet # cat /proc/rtai/names
>=20
> RTAI LXRT Information.
>=20
>     MAX_SLOTS =3D 150
>=20
>                                          Linux_Owner         Parent PID=

> Slot Name   ID         Type   RT_Handle    Pointer   Tsk_PID   MEM_Sz  =
 USG Cnt
> -----------------------------------------------------------------------=
--------
>  142 TASK1  0x042da6bf TASK   0xe09f2220 0x00000000        0      20179=
       1
>  190 RTGLBF 0x9ac6d9e5 SHMEM  0xe09f1000 0x00000000        0    2097152=
       1
> tester1:/home/nfs_share/rtnet #                               =20
>=20
> only my task appears.=20
> The receive part of the example blocks, and never return.
> I've already use some printk and the task manager code never run.
>=20
> Maybe is something related with the RTAI task. I'm using RTAI-3.4 stabl=
e release.
>=20
> Any clues????

Nope, specifically as I haven't changed anything related. I would
suggest to either vary the versions (older RTnet SVN that used to work,
older RTAI) or step into the rtdm_task creation of the stack manager.
Actually, that service should return some error code if anything went wro=
ng.

Jan