libbsd network on an mvme2500
joel at rtems.org
Wed Aug 18 00:42:51 UTC 2021
On Tue, Aug 17, 2021, 7:00 PM Chris Johns <chrisj at rtems.org> wrote:
> On 18/8/21 5:19 am, Chandler, Brendan wrote:
> > I think I found the answer to my own issue. I needed this configuration
> > #define CONFIGURE_MAXIMUM_USER_EXTENSIONS 5
> > With that, the error "cannot create extension" goes away and I can boot.
> Great to see you managed to solve the problem and thank you for letting us
Do you have something like CONFIGURE_UNLIMITED and
With those (spelled correctly) you should be able to create objects until
memory runs out.
Also configuring the minimum thread stack size to give some breathing space
is often handy.
> > ________________________________________
> > From: Chandler, Brendan <bchandler at anl.gov>
> > Sent: Tuesday, August 17, 2021 11:09
> > To: users at rtems.org
> > Subject: libbsd network on an mvme2500
> > Hi rtems-users,
> > I'm trying to set up a simple RTEMS 5 program to get my mvme2500 board
> up and running with a static network configuration using libbsd. I took
> the hello.c example from the getting started guide, and modified it to use
> libbsd and configure the network. My problem is I get a runtime error when
> loading my binary when I call rtems_bsd_initialize():
> > ## Booting kernel from Legacy Image at 10000000 ...
> > Image Name: RTEMS
> > Created: 2021-08-17 15:32:55 UTC
> > Image Type: PowerPC Linux Kernel Image (gzip compressed)
> > Data Size: 968695 Bytes = 946 KiB
> > Load Address: 00004000
> > Entry Point: 00004000
> > Verifying Checksum ... OK
> > ## Flattened Device Tree blob at 20000000
> > Booting using the fdt blob at 0x20000000
> > Uncompressing Kernel Image ... OK
> > Loading Device Tree to 00ff9000, end 00fff04a ... OK
> > emerg: rtems_bsd_threads_init_early: cannot create extension
> > This seems to be coming from
> rtems-libbsd/rtemsbsd/rtems/rtems-kernel-thread.c where the call to
> rtems_extension_create() fails.
> > I've posted my code at github here:
> > https://github.com/brendanchandler/test-rtems5
> > Can anyone help get around this error? I'm probably missing some
> configuration or setup, but haven't been able to determine what it is.
> > Thanks in advance for any help,
> > Brendan
> > _______________________________________________
> > users mailing list
> > users at rtems.org
> > http://lists.rtems.org/mailman/listinfo/users
> users mailing list
> users at rtems.org
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