I dont seem to get 'rtapi_shmem_new()' and friends in ./rtapi/linux_rtapi.c which presumably is the rtapi interface in the case of rt_preempt.
j. On Thu, Apr 26, 2012 at 6:47 PM, Charles Steinkuehler < char...@steinkuehler.net> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 4/26/2012 2:49 AM, John Morris wrote: > > Well, no solution yet, and only narrowed things a little bit: > > > > Continuing Charles's work, I merged the bitmuster-patched v2.4.4 > > forward. Whatever changes are causing the problem Charles > > describes were introduced between v2.4.7 and v2.5.0, and also > > between v2.5.0-pre0 and v2.5.0-pre1. > > > > Thanks for digging into this! > > Looking at diffs between the versions above, I think the problem may > be related to the changes in the handling of mem_id, lib_mem_id, and > comp->mem_id in hal_init and elsewhere. > > No smoking gun yet, but I had previously ignored these changes, as it > looked to me like the comp->mem_id was something added by bitmuster > for their shared memory area tests since it didn't exist in the > linuxcnc 2.5 codebase. Looking at the linuxcnc diff from 2.5.0-pre0 > to 2.5.0-pre1, however, I see that this is a linuxcnc change and did > not come from bitmuster. > > I suspect something in the preempt-rt patches needs to be updated or > tweaked to account for this change, but I still don't understand the > code well enough to pinpoint what might need fixing. > > - -- > Charles Steinkuehler > char...@steinkuehler.net > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.11 (MingW32) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAk+ZfDYACgkQLywbqEHdNFwX9gCeJXuvLLocqO5aBiu0bDjNiRO6 > HsIAoPzNwVxCYNyVlGen+5HWXXr9cUzu > =Nsof > -----END PGP SIGNATURE----- > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Emc-developers mailing list > Emc-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-developers > ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
