GNU gdb 6.4
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This GDB was configured as "ppc64-suse-linux"...Using host libthread_db library "/lib64/libthread_db.so.1".
#0 pseries_dedicated_idle () at bitops.h:191
191 return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
(gdb) info threads
8 process 4478 0xc000000000073920 in crash_kexec (regs=0x0) at kexec.h:50
* 7 process 0 pseries_dedicated_idle () at bitops.h:191
* 6 process 0 pseries_dedicated_idle () at bitops.h:191
* 5 process 0 pseries_dedicated_idle () at bitops.h:191
* 4 process 0 pseries_dedicated_idle () at bitops.h:191
* 3 process 0 pseries_dedicated_idle () at bitops.h:191
2 process 2886 0x0000000007f69748 in ?? ()
* 1 process 0 pseries_dedicated_idle () at bitops.h:191
(gdb) thread 1
[Switching to thread 7 (process 0)]#0 pseries_dedicated_idle ()
at bitops.h:191
191 return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
(gdb) bt
#0 pseries_dedicated_idle () at bitops.h:191
#1 0xc000000000017908 in cpu_idle () at idle_64.c:88
#2 0xc0000000000092f4 in rest_init () at main.c:403
#3 0xc0000000004d7744 in start_kernel () at main.c:546
#4 0xc000000000008574 in .start_here_common ()
Previous frame inner to this frame (corrupt stack?)
(gdb) info reg
r0 0x10 16
r1 0xc00000000052fd40 13835058055287602496
r2 0xc00000000074d260 13835058055289819744
r3 0xc00000000fced480 13835058055547376768
r4 0xc0000000005794d0 13835058055287903440
r5 0x80 128
r6 0x24000082 603979906
r7 0xc00000000000e810 13835058055282223120
r8 0x0 0
r9 0x0 0
r10 0x1a97f00 27885312
r11 0x1 1
r12 0x2fad4ab0 799886000
r13 0xc000000000579a00 13835058055287904768
r14 0xc0000000005b3958 13835058055288142168
r15 0xc00000006fb7a800 13835058057156470784
r16 0xc00000000000e810 13835058055282223120
r17 0xc0000001ddfa8580 13835058063301313920
r18 0xc00000000002404c 13835058055282311244
r19 0x8000000000009032 9223372036854812722
r20 0xc00000000052fbf0 13835058055287602160
r21 0xc00000000074d260 13835058055289819744
r22 0x24000082 603979906
r23 0xc00000006df96a40 13835058057127225920
r24 0x78 120
r25 0xc00000000052fe00 13835058055287602688
r26 0xc00000000052fc30 13835058055287602224
r27 0x800b00 8391424
r28 0xc00000000052fc30 13835058055287602224
r29 0x0 0
r30 0xc00000000000e810 13835058055282223120
r31 0xd7a38 883256
pc 0xc0000000000350a0 13835058055282380960
cr 0x0 0
lr 0xc0000000000350e8 13835058055282381032
ctr 0x0 0
xer 0x0 0
(gdb) thread 2
[Switching to thread 2 (process 2886)]#0 0x0000000007f69748 in ?? ()
(gdb) bt
#0 0x0000000007f69748 in ?? ()
Cannot access memory at address 0xfff07890
(gdb) info reg
r0 0x0 0
r1 0xfff07890 4293949584
r2 0xf7fd3460 4160566368
r3 0x1f7fcc468 8455505000
r4 0x1 1
r5 0x80065e8 134243816
r6 0xfff07948 4293949768
r7 0xfff079d0 4293949904
r8 0xfff07a48 4293950024
r9 0xfff07950 4293949776
r10 0x3e 62
r11 0x7f69cd0 133602512
r12 0x7f69748 133601096
r13 0x801f654 134346324
r14 0x0 0
r15 0x10020000 268566528
r16 0x10020000 268566528
r17 0x10020000 268566528
r18 0x10010000 268500992
r19 0x3 3
r20 0xff8eaec1 4287540929
r21 0x8017628 134313512
r22 0x0 0
r23 0x8017664 134313572
r24 0x0 0
r25 0x0 0
r26 0xfff07a50 4293950032
r27 0x801767c 134313596
r28 0x0 0
r29 0x0 0
r30 0x7febff4 134135796
r31 0xfff07a60 4293950048
pc 0x7f69748 133601096
cr 0x0 0
lr 0x7f69748 133601096
ctr 0x7f69cd0 133602512
xer 0x0 0
(gdb) thread 3
[Switching to thread 7 (process 0)]#0 pseries_dedicated_idle ()
at bitops.h:191
191 return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
(gdb) bt
#0 pseries_dedicated_idle () at bitops.h:191
#1 0xc000000000017908 in cpu_idle () at idle_64.c:88
#2 0xc0000000000092f4 in rest_init () at main.c:403
#3 0xc0000000004d7744 in start_kernel () at main.c:546
#4 0xc000000000008574 in .start_here_common ()
Previous frame inner to this frame (corrupt stack?)
(gdb) info reg
r0 0x10 16
r1 0xc00000000052fd40 13835058055287602496
r2 0xc00000000074d260 13835058055289819744
r3 0xc00000000fced480 13835058055547376768
r4 0xc0000000005794d0 13835058055287903440
r5 0x80 128
r6 0x24000082 603979906
r7 0xc00000000000e810 13835058055282223120
r8 0x0 0
r9 0x0 0
r10 0x1a97f00 27885312
r11 0x1 1
r12 0x2fad4ab0 799886000
r13 0xc000000000579a00 13835058055287904768
r14 0xc0000000005b3958 13835058055288142168
r15 0xc00000006fb7a800 13835058057156470784
r16 0xc00000000000e810 13835058055282223120
r17 0xc0000001ddfa8580 13835058063301313920
r18 0xc00000000002404c 13835058055282311244
r19 0x8000000000009032 9223372036854812722
r20 0xc00000000052fbf0 13835058055287602160
r21 0xc00000000074d260 13835058055289819744
r22 0x24000082 603979906
r23 0xc00000006df96a40 13835058057127225920
r24 0x78 120
r25 0xc00000000052fe00 13835058055287602688
r26 0xc00000000052fc30 13835058055287602224
r27 0x800b00 8391424
r28 0xc00000000052fc30 13835058055287602224
r29 0x0 0
r30 0xc00000000000e810 13835058055282223120
r31 0xd7a38 883256
pc 0xc0000000000350a0 13835058055282380960
cr 0x0 0
lr 0xc0000000000350e8 13835058055282381032
ctr 0x0 0
xer 0x0 0
(gdb) thread 4
[Switching to thread 7 (process 0)]#0 pseries_dedicated_idle ()
at bitops.h:191
191 return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
(gdb) bt
#0 pseries_dedicated_idle () at bitops.h:191
#1 0xc000000000017908 in cpu_idle () at idle_64.c:88
#2 0xc0000000000092f4 in rest_init () at main.c:403
#3 0xc0000000004d7744 in start_kernel () at main.c:546
#4 0xc000000000008574 in .start_here_common ()
(gdb) info reg
r0 0x10 16
r1 0xc00000000052fd40 13835058055287602496
r2 0xc00000000074d260 13835058055289819744
r3 0xc00000000fced480 13835058055547376768
r4 0xc0000000005794d0 13835058055287903440
r5 0x80 128
r6 0x24000082 603979906
r7 0xc00000000000e810 13835058055282223120
r8 0x0 0
r9 0x0 0
r10 0x1a97f00 27885312
r11 0x1 1
r12 0x2fad4ab0 799886000
r13 0xc000000000579a00 13835058055287904768
r14 0xc0000000005b3958 13835058055288142168
r15 0xc00000006fb7a800 13835058057156470784
r16 0xc00000000000e810 13835058055282223120
r17 0xc0000001ddfa8580 13835058063301313920
r18 0xc00000000002404c 13835058055282311244
r19 0x8000000000009032 9223372036854812722
r20 0xc00000000052fbf0 13835058055287602160
r21 0xc00000000074d260 13835058055289819744
r22 0x24000082 603979906
r23 0xc00000006df96a40 13835058057127225920
r24 0x78 120
r25 0xc00000000052fe00 13835058055287602688
r26 0xc00000000052fc30 13835058055287602224
r27 0x800b00 8391424
r28 0xc00000000052fc30 13835058055287602224
r29 0x0 0
r30 0xc00000000000e810 13835058055282223120
r31 0xd7a38 883256
pc 0xc0000000000350a0 13835058055282380960
cr 0x0 0
lr 0xc0000000000350e8 13835058055282381032
ctr 0x0 0
xer 0x0 0
(gdb) thread 5
[Switching to thread 7 (process 0)]#0 pseries_dedicated_idle ()
at bitops.h:191
191 return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
(gdb) bt
#0 pseries_dedicated_idle () at bitops.h:191
#1 0xc000000000017908 in cpu_idle () at idle_64.c:88
#2 0xc0000000000092f4 in rest_init () at main.c:403
#3 0xc0000000004d7744 in start_kernel () at main.c:546
#4 0xc000000000008574 in .start_here_common ()
(gdb) info reg
r0 0x10 16
r1 0xc00000000052fd40 13835058055287602496
r2 0xc00000000074d260 13835058055289819744
r3 0xc00000000fced480 13835058055547376768
r4 0xc0000000005794d0 13835058055287903440
r5 0x80 128
r6 0x24000082 603979906
r7 0xc00000000000e810 13835058055282223120
r8 0x0 0
r9 0x0 0
r10 0x1a97f00 27885312
r11 0x1 1
r12 0x2fad4ab0 799886000
r13 0xc000000000579a00 13835058055287904768
r14 0xc0000000005b3958 13835058055288142168
r15 0xc00000006fb7a800 13835058057156470784
r16 0xc00000000000e810 13835058055282223120
r17 0xc0000001ddfa8580 13835058063301313920
r18 0xc00000000002404c 13835058055282311244
r19 0x8000000000009032 9223372036854812722
r20 0xc00000000052fbf0 13835058055287602160
r21 0xc00000000074d260 13835058055289819744
r22 0x24000082 603979906
r23 0xc00000006df96a40 13835058057127225920
r24 0x78 120
r25 0xc00000000052fe00 13835058055287602688
r26 0xc00000000052fc30 13835058055287602224
r27 0x800b00 8391424
r28 0xc00000000052fc30 13835058055287602224
r29 0x0 0
r30 0xc00000000000e810 13835058055282223120
r31 0xd7a38 883256
pc 0xc0000000000350a0 13835058055282380960
cr 0x0 0
lr 0xc0000000000350e8 13835058055282381032
ctr 0x0 0
xer 0x0 0
(gdb) thread 6
[Switching to thread 7 (process 0)]#0 pseries_dedicated_idle ()
at bitops.h:191
191 return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
(gdb) bt
#0 pseries_dedicated_idle () at bitops.h:191
#1 0xc000000000017908 in cpu_idle () at idle_64.c:88
#2 0xc0000000000092f4 in rest_init () at main.c:403
#3 0xc0000000004d7744 in start_kernel () at main.c:546
#4 0xc000000000008574 in .start_here_common ()
(gdb) info reg
r0 0x10 16
r1 0xc00000000052fd40 13835058055287602496
r2 0xc00000000074d260 13835058055289819744
r3 0xc00000000fced480 13835058055547376768
r4 0xc0000000005794d0 13835058055287903440
r5 0x80 128
r6 0x24000082 603979906
r7 0xc00000000000e810 13835058055282223120
r8 0x0 0
r9 0x0 0
r10 0x1a97f00 27885312
r11 0x1 1
r12 0x2fad4ab0 799886000
r13 0xc000000000579a00 13835058055287904768
r14 0xc0000000005b3958 13835058055288142168
r15 0xc00000006fb7a800 13835058057156470784
r16 0xc00000000000e810 13835058055282223120
r17 0xc0000001ddfa8580 13835058063301313920
r18 0xc00000000002404c 13835058055282311244
r19 0x8000000000009032 9223372036854812722
r20 0xc00000000052fbf0 13835058055287602160
r21 0xc00000000074d260 13835058055289819744
r22 0x24000082 603979906
r23 0xc00000006df96a40 13835058057127225920
r24 0x78 120
r25 0xc00000000052fe00 13835058055287602688
r26 0xc00000000052fc30 13835058055287602224
r27 0x800b00 8391424
r28 0xc00000000052fc30 13835058055287602224
r29 0x0 0
r30 0xc00000000000e810 13835058055282223120
r31 0xd7a38 883256
pc 0xc0000000000350a0 13835058055282380960
cr 0x0 0
lr 0xc0000000000350e8 13835058055282381032
ctr 0x0 0
xer 0x0 0
(gdb) thread 7
[Switching to thread 7 (process 0)]#0 pseries_dedicated_idle ()
at bitops.h:191
191 return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
(gdb) bt
#0 pseries_dedicated_idle () at bitops.h:191
#1 0xc000000000017908 in cpu_idle () at idle_64.c:88
#2 0xc0000000000092f4 in rest_init () at main.c:403
#3 0xc0000000004d7744 in start_kernel () at main.c:546
#4 0xc000000000008574 in .start_here_common ()
(gdb) info reg
r0 0x10 16
r1 0xc00000000052fd40 13835058055287602496
r2 0xc00000000074d260 13835058055289819744
r3 0xc00000000fced480 13835058055547376768
r4 0xc0000000005794d0 13835058055287903440
r5 0x80 128
r6 0x24000082 603979906
r7 0xc00000000000e810 13835058055282223120
r8 0x0 0
r9 0x0 0
r10 0x1a97f00 27885312
r11 0x1 1
r12 0x2fad4ab0 799886000
r13 0xc000000000579a00 13835058055287904768
r14 0xc0000000005b3958 13835058055288142168
r15 0xc00000006fb7a800 13835058057156470784
r16 0xc00000000000e810 13835058055282223120
r17 0xc0000001ddfa8580 13835058063301313920
r18 0xc00000000002404c 13835058055282311244
r19 0x8000000000009032 9223372036854812722
r20 0xc00000000052fbf0 13835058055287602160
r21 0xc00000000074d260 13835058055289819744
r22 0x24000082 603979906
r23 0xc00000006df96a40 13835058057127225920
r24 0x78 120
r25 0xc00000000052fe00 13835058055287602688
r26 0xc00000000052fc30 13835058055287602224
r27 0x800b00 8391424
r28 0xc00000000052fc30 13835058055287602224
r29 0x0 0
r30 0xc00000000000e810 13835058055282223120
r31 0xd7a38 883256
pc 0xc0000000000350a0 13835058055282380960
cr 0x0 0
lr 0xc0000000000350e8 13835058055282381032
ctr 0x0 0
xer 0x0 0
(gdb) thread 8
[Switching to thread 8 (process 4478)]#0 0xc000000000073920 in crash_kexec (
regs=0x0) at kexec.h:50
50 __asm__ __volatile__ (
(gdb) bt
#0 0xc000000000073920 in crash_kexec (regs=0x0) at kexec.h:50
#1 0xc00000000025dfb8 in sysrq_handle_crashdump (key=<value optimized out>,
pt_regs=0x0, tty=0x0) at sysrq.c:103
#2 0xc00000000025e0ec in __handle_sysrq (key=99, pt_regs=0x0, tty=0x0,
check_mask=0) at sysrq.c:410
#3 0xc0000000000f9fc8 in write_sysrq_trigger (file=<value optimized out>,
buf=<value optimized out>, count=2, ppos=<value optimized out>)
at proc_misc.c:688
#4 0xc0000000000af73c in vfs_write (file=0xc0000001dd2ac780,
buf=0xf7fd9000 <Address 0xf7fd9000 out of bounds>, count=0,
pos=0xc0000001dd103e08) at read_write.c:316
#5 0xc0000000000afe54 in sys_write (fd=<value optimized out>, buf=0x0,
count=0) at read_write.c:369
#6 0xc0000000000086f8 in system_call ()
#7 0xc0000000000086f8 in system_call ()
Previous frame identical to this frame (corrupt stack?)
(gdb) info reg
r0 0x0 0
r1 0xc0000001dd103960 13835058063285959008
r2 0xc00000000074d260 13835058055289819744
r3 0xc0000001dd1039d0 13835058063285959120
r4 0x0 0
r5 0x0 0
r6 0xa000000 167772160
r7 0x1 1
r8 0x0 0
r9 0xc000000000783fa0 13835058055290044320
r10 0xc00000000075cd00 13835058055289883904
r11 0xc000000000783f98 13835058055290044312
r12 0x4000 16384
r13 0xc00000000057a800 13835058055287908352
r14 0x0 0
r15 0x0 0
r16 0x0 0
r17 0x0 0
r18 0x0 0
r19 0x0 0
r20 0x0 0
r21 0x0 0
r22 0x0 0
r23 0x0 0
r24 0x8000000000009032 9223372036854812722
r25 0x0 0
r26 0x0 0
r27 0x63 99
r28 0x1 1
r29 0x0 0
r30 0xc0000000005b5148 13835058055288148296
r31 0xc00000006fc64400 13835058057157428224
pc 0xc000000000073920 13835058055282637088
cr 0x0 0
lr 0xc00000000025dfb8 13835058055284645816
ctr 0xc00000000025dfa4 13835058055284645796
xer 0x0 0
(gdb) p system_utsname
$1 = {sysname = "Linux", '\0' <repeats 59 times>,
nodename = "llm27", '\0' <repeats 59 times>,
release = "2.6.16-rc4", '\0' <repeats 54 times>,
version = "#6 SMP Fri Feb 24 15:33:36 IST 2006", '\0' <repeats 29 times>,
machine = "ppc64", '\0' <repeats 59 times>,
domainname = "\000none)", '\0' <repeats 58 times>}
(gdb) p/x ppc64_pft_size
$2 = 0x1b
(gdb) p/x have_of
$3 = 0x1