On Mon, May 2, 2016 at 1:27 PM, Lennart Sorensen < [email protected]> wrote:
> On Wed, Apr 13, 2016 at 02:04:16PM -0400, Charles Kiorpes wrote: > > Hello, > > > > I have been trying to bring up a Rev A2 BeagleBoard-x15 with i-pipe, in > > order to test Xenomai co-kernel functionality on this board. > > > > I have verified that the kernel configuration settings that I'm using > > create a bootable mainline 4.1.18 kernel. > > > > Once I patch the 4.1.18 kernel with ipipe-core-4.1.18-arm-4.patch, and > make > > the same configuration changes, I am unable to boot the resulting kernel. > > > > I have attached my kernel config and the kernel output from a failed > boot. > > > > The first major error (aside from some lock debug printouts) occurs at > > 2.141340, when the kernel attempts to dereference a NULL pointer. > > It appears that the problem is related to the PALMAS driver, but I am not > > well-versed in kernel development and don't know how to proceed. > > > > What steps can I take to better debug and eventually correct the problem? > > I just sent a patch to the mailing list that seems to make the > irq-crossbar work in 4.1 with ipipe. I got a NULL pointer dereference > in that. This probably did not exist in 3.14 which is why I had not > seen it before. > > -- > MLen Sorensen > I can confirm that your submitted patch fixes the NULL pointer dereference I was seeing. I can now run Xenomai 3 "next" from the git repo over top of the 4.1.18 kernel. Thank you! -Charles _______________________________________________ Xenomai mailing list [email protected] https://xenomai.org/mailman/listinfo/xenomai
