On a JS20 with SLOF (pretending to be Maple) 2.6.23-rc1 breaks with
following oops. 2.6.22 is working. Let me know if I can help debug this.
Maple: Found RTC at IO 0x1070
Unable to handle kernel paging request for data at address 0xd000080000001070
Faulting instruction address: 0xc00000000004d948
Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=32 Maple
Modules linked in:
NIP: c00000000004d948 LR: c00000000004d8e4 CTR: c000000000029308
REGS: c00000000088b8e0 TRAP: 0300 Not tainted (2.6.23-rc1)
MSR: 9000000000001032 <ME,IR,DR> CR: 24000022 XER: 000fffff
DAR: d000080000001070, DSISR: 0000000042000000
TASK = c00000000079db50[0] 'swapper' THREAD: c000000000888000 CPU: 0
GPR00: d000080000000000 c00000000088bb60 c0000000008884a8 000000000000000a
GPR04: d000080000001070 0000000000000001 0000000000000000 0000000000000001
GPR08: 0000000000001070 d000080000001070 0000000000000000 c0000000008b33b0
GPR12: c00000000088bab4 c00000000079e480 0000000000000000 0000000000000000
GPR16: 0000000004000000 0000000000000000 0000000000000000 4000000001400000
GPR20: c000000000752370 0000000001b525e0 0000000000000000 c0000000008b47f0
GPR24: c00000000088be70 c0000000008b4820 000000003b9aca00 c0000000008b47f8
GPR28: 0000000000000000 000000000000000a c000000000821af8 c00000000088bcf0
NIP [c00000000004d948] .maple_clock_read+0x88/0x17c
LR [c00000000004d8e4] .maple_clock_read+0x24/0x17c
Call Trace:
[c00000000088bb60] [c00000000088bbe0] init_thread_union+0x3be0/0x4000
(unreliable)
[c00000000088bbf0] [c00000000004dc40] .maple_get_rtc_time+0x28/0x174
[c00000000088bc80] [c000000000731000] .maple_get_boot_time+0xe4/0x12c
[c00000000088bd60] [c000000000022694] .get_boot_time+0x3c/0xb8
[c00000000088be00] [c000000000721088] .time_init+0x290/0x46c
[c00000000088bee0] [c000000000716c18] .start_kernel+0x23c/0x3e4
[c00000000088bf90] [c000000000008524] .start_here_common+0x54/0xb0
Instruction dump:
419e0024 e80a0000 f8410028 7c0903a6 e96a0010 e84a0008 4e800421 e8410028
4800001c 78892300 7929e002 7c0004ac <98690000> 38000001 980d01dc e97e8008
Kernel panic - not syncing: Attempted to kill the idle task!
------------[ cut here ]------------
Badness at arch/powerpc/kernel/smp.c:202
NIP: c000000000028ae0 LR: c000000000069410 CTR: c000000000029308
REGS: c00000000088b2b0 TRAP: 0700 Tainted: G D (2.6.23-rc1)
MSR: 9000000000021032 <ME,IR,DR> CR: 28000022 XER: 000fffff
TASK = c00000000079db50[0] 'swapper' THREAD: c000000000888000 CPU: 0
GPR00: 0000000000000001 c00000000088b530 c0000000008884a8 c000000000841418
GPR04: 0000000000000000 0000000000000001 0000000000000000 0000000000000001
GPR08: 0000000000000001 c0000000008b4b88 c0000000008c1af8 c000000000841418
GPR12: c000000000008524 c00000000079e480 0000000000000000 0000000000000000
GPR16: 0000000004000000 0000000000000000 0000000000000000 4000000001400000
GPR20: c000000000752370 0000000001b525e0 0000000000000000 c0000000008b47f0
GPR24: c00000000088be70 000000000000000b 000000003b9aca00 000000000000000b
GPR28: c0000000006778f0 0000000000000000 c000000000822a98 0000000000000000
NIP [c000000000028ae0] .smp_call_function_map+0x30/0x2a4
LR [c000000000069410] .panic+0x98/0x1b0
Call Trace:
[c00000000088b530] [c00000000082ebe8] gss_kerberos_pfs+0x16e18/0x25ff0
(unreliable)
[c00000000088b5e0] [c000000000069410] .panic+0x98/0x1b0
[c00000000088b680] [c00000000006dffc] .do_exit+0x8c/0xa60
[c00000000088b750] [c000000000023dcc] .die+0x238/0x264
[c00000000088b7f0] [c00000000002d2a8] .bad_page_fault+0xb8/0xd4
[c00000000088b870] [c000000000005418] handle_page_fault+0x3c/0x58
--- Exception: 300 at .maple_clock_read+0x88/0x17c
LR = .maple_clock_read+0x24/0x17c
[c00000000088bb60] [c00000000088bbe0] init_thread_union+0x3be0/0x4000
(unreliable)
[c00000000088bbf0] [c00000000004dc40] .maple_get_rtc_time+0x28/0x174
[c00000000088bc80] [c000000000731000] .maple_get_boot_time+0xe4/0x12c
[c00000000088bd60] [c000000000022694] .get_boot_time+0x3c/0xb8
[c00000000088be00] [c000000000721088] .time_init+0x290/0x46c
[c00000000088bee0] [c000000000716c18] .start_kernel+0x23c/0x3e4
[c00000000088bf90] [c000000000008524] .start_here_common+0x54/0xb0
Instruction dump:
7c0802a6 fba1ffe8 fbc1fff0 fbe1fff8 7c6b1b78 f8010010 f821ff51 7cdd3378
f8e10100 880d01da 7c000074 7800d182 <0b000000> e922a900 3860ffff e8090000
Rebooting in 180 seconds..
Adrian
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