Did you ever check this with selinux? I'm assuming that the problem is that selinux does things like: rc = secondary_ops->task_create(); when secondary_ops->task_create can now be null... (Will whip up the obvious patch asap - later this morning) -serge Quoting serue@private (serue@private): > Hmm, haven't yet figured out why, but something in this patchset > doesn't work for power5. Oops attached, as well as the assembly > for selinux_task_create (which I'm weeding through right now). > > thanks, > -serge > > Oops output from console: > > Security Framework v1.0.0 initialized > SELinux: Initializing. > SELinux: Starting in permissive mode > selinux_register_security: Registering secondary module capability > Capability LSM initialized as secondary > Mount-cache hash table entries: 256 > Oops: Kernel access of bad area, sig: 11 [#1] > SMP NR_CPUS=128 NUMA PSERIES LPAR > Modules linked in: > NIP: C00000000016BCCC XER: 20000005 LR: C00000000004FA38 CTR: C00000000016BCA8 > REGS: c000000000403590 TRAP: 0300 Not tainted (2.6.13-rc7-git1) > MSR: 8000000000009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 CR: 42000028 > DAR: 0000000000000000 DSISR: 0000000040000000 > TASK: c000000000468ea0[0] 'swapper' THREAD: c000000000400000 CPU: 0 > GPR00: C00000000004FA38 C000000000403810 C00000000054BA70 0000000000800B00 > GPR04: C000000000403DE0 C000000000403B60 0000000000000000 0000000000000000 > GPR08: 0000000000000000 C00000000049C450 0000000000000000 C0000000005F3298 > GPR12: 0000000042000022 C000000000423C00 0000000000000000 0000000000000000 > GPR16: 0000000000000000 0000000000000000 0000000000000000 C000000000403B60 > GPR20: C000000000403DE0 0000000000000000 0000000000000001 0000000000000000 > GPR24: 0000000000000000 0000000000800B00 C000000000403DE0 0000000000000000 > GPR28: 0000000000000001 0000000000000001 C0000000004A4AC8 0000000000800B00 > NIP [c00000000016bccc] .selinux_task_create+0x24/0x84 > LR [c00000000004fa38] .copy_process+0xc28/0x163c > Call Trace: > [c000000000403810] [00000000000000d0] 0xd0 (unreliable) > [c000000000403890] [c00000000004fa38] .copy_process+0xc28/0x163c > [c0000000004039a0] [c00000000005059c] .do_fork+0x94/0x240 > [c000000000403a80] [c000000000011c80] .sys_clone+0x60/0x78 > [c000000000403af0] [c00000000000d814] .ppc_clone+0x8/0xc > --- Exception: c00 at .kernel_thread+0x28/0x68 > LR = .rest_init+0x24/0x5c > [c000000000403de0] [0000000001ff1b88] 0x1ff1b88 (unreliable) > [c000000000403e50] [c0000000003e3004] .proc_root_init+0x164/0x184 > [c000000000403ed0] [c0000000003c98a0] .start_kernel+0x2ac/0x328 > [c000000000403f90] [c00000000000bfb4] .__setup_cpu_power3+0x0/0x4 > Instruction dump: > 4e800020 63ff0004 4bffff44 7c0802a6 fbc1fff0 ebc2c9d0 fbe1fff8 f8010010 > f821ff81 e97e8100 e92b0000 e9490258 <e80a0000> f8410028 e96a0010 e84a0008 > <0>Kernel panic - not syncing: Attempted to kill the idle task! > > Taken from hooks.S: > > 0000000000005494 <.selinux_task_create>: > 5494: 7c 08 02 a6 mflr r0 > 5498: fb c1 ff f0 std r30,-16(r1) > 549c: eb c2 00 00 ld r30,0(r2) > 54a0: fb e1 ff f8 std r31,-8(r1) > 54a4: f8 01 00 10 std r0,16(r1) > 54a8: f8 21 ff 81 stdu r1,-128(r1) > 54ac: e9 7e 81 00 ld r11,-32512(r30) > 54b0: e9 2b 00 00 ld r9,0(r11) > 54b4: e9 49 02 58 ld r10,600(r9) > 54b8: e8 0a 00 00 ld r0,0(r10) > 54bc: f8 41 00 28 std r2,40(r1) > 54c0: e9 6a 00 10 ld r11,16(r10) > 54c4: e8 4a 00 08 ld r2,8(r10) > 54c8: 7c 09 03 a6 mtctr r0 > 54cc: 4e 80 04 21 bctrl > 54d0: e8 41 00 28 ld r2,40(r1) > 54d4: 38 a0 00 01 li r5,1 > 54d8: 2f a3 00 00 cmpdi cr7,r3,0 > 54dc: 41 9e 00 1c beq- cr7,54f8 <.selinux_task_create+0x64> > 54e0: 38 21 00 80 addi r1,r1,128 > 54e4: e8 01 00 10 ld r0,16(r1) > 54e8: eb c1 ff f0 ld r30,-16(r1) > 54ec: eb e1 ff f8 ld r31,-8(r1) > 54f0: 7c 08 03 a6 mtlr r0 > 54f4: 4e 80 00 20 blr > 54f8: 38 21 00 80 addi r1,r1,128 > 54fc: e8 6d 01 70 ld r3,368(r13) > 5500: e8 01 00 10 ld r0,16(r1) > 5504: eb c1 ff f0 ld r30,-16(r1) > 5508: eb e1 ff f8 ld r31,-8(r1) > 550c: 7c 64 1b 78 mr r4,r3 > 5510: 7c 08 03 a6 mtlr r0 > 5514: 4b ff ba 68 b f7c <.task_has_perm> > >
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