On Mon, Jun 29, 2009 at 12:31:23PM +0200, Heiko Carstens wrote: > On Mon, Jun 29, 2009 at 03:14:40PM +0530, Sachin Sant wrote: > > I still have problems booting next with SLQB on a s390 box. > > > > Write protected kernel read-only data: 0x12000 - 0x446fff > > Experimental hierarchical RCU implementation. > > Experimental hierarchical RCU init done. > > console ÝttyS0¨ enabled > > Unable to handle kernel pointer dereference at virtual kernel address (null) This could I suppose be due to failed allocation where the caller isn't expecting failure (or using SLAB_PANIC). Did you manage to test with the prink debugging patch for SLQB that I sent for the power6 boot failure? I don't think I saw a reply from you but maybe I missed it? Thanks, Nick -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html