Hi Suka, On 06/26/2014 08:10 AM, Sukadev Bhattiprolu wrote: > I got the following crash in Open Firmware, on two separate systems > with recent mainline kernel (3.16.0-rc2). One was a P8 LPAR with no > changes to kernel and another a Power7 LPAR with some kernel changes > (24x7 perf counter patches). I will backout the patches and try but > wanted to check if there is some config change I am missing. > > I am also attaching the config file (which is based on a 3.14 > kernel that boots ok). > > --- > OF stdout device is: /vdevice/vty@30000000 > Preparing to boot Linux version 3.16.0-rc2-unwind+ (root@saturn-lp2) (gcc > version 4.8.2 20131212 (Red Hat 4.8.2-7) (GCC) ) #5 SMP Thu Jun 26 00:01:47 > CDT 2014 > Detected machine type: 0000000000000101 > Max number of cores passed to firmware: 256 (NR_CPUS = 1024) > Calling ibm,client-architecture-support... done > command line: BOOT_IMAGE=/vmlinux-3.16.0-rc2-unwind > root=UUID=017d60b7-9db9-4d91-9dc8-4e6f91b0ed40 ro biosdevname=0 > vconsole.font=latarcyrheb-sun16 > memory layout at init: > memory_limit : 0000000000000000 (16 MB aligned) > alloc_bottom : 0000000005530000 > alloc_top : 0000000010000000 > alloc_top_hi : 0000000010000000 > rmo_top : 0000000010000000 > ram_top : 0000000010000000 > instantiating rtas at 0x000000000ee90000... done > Querying for OPAL presence... not there.
A patch from Michael Ellerman was just merged : powerpc/powernv: Remove OPAL v1 takeover I think it fixes the problem you are seeing. Cheers, C. > DEFAULT CATCH!, exception-handler=fff00700 > at %SRR0: 0000000004133064 %SRR1: 8000000000081002 > Open Firmware exception handler entered from non-OF code > > Client's Fix Pt Regs: > 00 0000000004133030 0000000004133018 00000000047b1b28 0000000000000002 > 04 0000000028005024 00000000047b1b28 0000000000001002 0000000004132f18 > 08 0000000000000000 0000000000000000 0000000004132f18 0000000000001002 > 0c a000000000000001 0000000000000000 0000000001a3fd20 000000000401bb70 > 10 000000000401c030 000000000401bd70 fffffffffffffffd 0000000001a3fd20 > 14 0000000001b49080 000000000ee90000 0000000001170000 000000000ee90000 > 18 000000000401c510 0000000003690000 000000000401bb28 0000000004193da0 > 1c 0000000001a3fd60 794927e391410070 e87f0000408204cc 3cc2ff8b38c629d8 > Special Regs: > %IV: 00000700 %CR: 28005022 %XER: 00000000 %DSISR: 42000000 > %SRR0: 0000000004133064 %SRR1: 8000000000081002 > %LR: 0000000004133030 %CTR: 0000000000000000 > %DAR: 01a3fcf00020b4ac > Virtual PID = 0 > ok > > > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev