On 27/03/15 17:40, Kyle McMartin wrote: > On Fri, Mar 27, 2015 at 03:37:04PM +0000, Marc Zyngier wrote: >>> [ 236.260863] Kernel panic - not syncing: HYP panic: >>> [ 236.260863] PS:600003c9 PC:000003ffffff0830 ESR:0000000096000006 >> >> It would be interesting if you could find out what you have at offset >> 0x830 of hyp-init.o (the stack trace is for EL1, and is not going to >> help much). >> > > Given the alignment, i'm going to assume i'm looking at the right thing: > > 0000000000000820 <__kvm_hyp_reset>: > 820: d51c2000 msr ttbr0_el2, x0 > 824: d5033fdf isb > 828: d50c871f tlbi alle2 > 82c: d5033f9f dsb sy > 830: 10000060 adr x0, 83c <__kvm_hyp_reset+0x1c> > 834: b3403c01 bfxil x1, x0, #0, #16 > 838: d61f0020 br x1 > 83c: d53c1000 mrs x0, sctlr_el2 > > but it seems fairly implausible to be trapping on ADR x0, 1f... ... unless you've just switched TTBR0_EL2 to something slightly inappropriate, and conveniently flushed the TLBs. Also, having 0 as the exception class is fairly indicative you've fetched some crap, which reinforce my idea that the page tables are pointing to nowhere-land. I'll try to review the patches next week, maybe I'll spot something by inspection. Thanks, M. -- Jazz is not dead. It just smells funny...
