Philippe Gerum wrote: > On Thu, 2007-02-15 at 14:58 +0100, Jan Kiszka wrote: >> Philippe Gerum wrote: >>> On Thu, 2007-02-15 at 14:06 +0100, Jan Kiszka wrote: >>>> Hi all, >>>> >>>> I think I found another unwanted side-effect of the no-cow changes: >>>> >>>> With the I-pipe 1.7 patch series the test for missing mlockall no longer >>>> works. I just - once again - wrote a test program that was lacking this >>>> call, but only with I-pipe 1.6-06 (same Xenomai version: latest trunk) I >>>> get the usual error message on startup. >>>> >>> I can't reproduce this with 1.7-01 here. Which Xenomai codebase are you >>> currently using (trunk/, 2.3.x maintenance or stock 2.3)? >> Specifically trunk, but the first observation was over 2.3.x >> maintenance. The test code is using the posix skin. > > I still don't find any explanation for that behaviour, only trivially > testing with and without mlockall() in a bare main routine though. > > In relation to this, I've rolled out 1.7-02/x86, so that we could close > the last pending issue(s) holding v2.3.1 wrt the interrupt pipeline > support. Specifically, the -nocow related changes have been amended, and > we are now back to the implementation that prevailed in the 1.6 series > wrt vmalloc and ioremap memory, while still retaining the ability to > break COW eagerly for the RT threads. > > Feedback welcome on this. >
From first tests it looks like the BUGs on RTnet startup are resolved with 1.7-02. I will have a look at the mlockall issue again to understand what happens precisely there (I'm still lacking the warning). Jan
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