On Tue, Aug 17, 2021, 7:00 PM Chris Johns <chr...@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 > option: > > #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 > know. >
Do you have something like CONFIGURE_UNLIMITED and CONFIGURE_UNIFIED_WORKSPACE? 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. --joel > Chris > > > > > ________________________________________ > > From: Chandler, Brendan <bchand...@anl.gov> > > Sent: Tuesday, August 17, 2021 11:09 > > To: users@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@rtems.org > > http://lists.rtems.org/mailman/listinfo/users > > > _______________________________________________ > users mailing list > users@rtems.org > http://lists.rtems.org/mailman/listinfo/users >
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