IRQ handling with IRQs enabled : exception
-------------------------------------------

llm07:/proc # ls -l vmcore
-r--------  1 root root 5233509408 Apr  3 03:51 vmcore
llm07:/proc # gdb /home/murali/linux-2.6.16/vmlinux-1M vmcore
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This GDB was configured as "x86_64-suse-linux"...Using host libthread_db library "/lib64/tls/libthread_db.so.1".

#0  0xffffffff80251297 in crash_kexec (regs=0x0) at kexec.h:64
64      kexec.h: No such file or directory.
        in kexec.h
(gdb) info registers
rax            0x0      0
rbx            0xffff81000ccb9c00       -139637762057216
rcx            0x0      0
rdx            0x246    582
rsi            0x246    582
rdi            0x0      0
rbp            0xffffffff805a3180       0xffffffff805a3180
rsp            0xffffffff806a4b88       0xffffffff806a4b88
r8             0x2      2
r9             0x0      0
r10            0x0      0
r11            0xffffffff806c5344       -2140384444
r12            0x0      0
r13            0x9      9
r14            0x2      2
r15            0xffffffff805a3180       -2141572736
rip            0xffffffff80251297       0xffffffff80251297 <crash_kexec+185>
eflags         0x246    582
cs             0x10     16
ss             0x18     24
ds             0x18     24
es             0x18     24
fs             0x0      0
gs             0x0      0
(gdb) info threads
* 2 process 0  0xffffffff80251297 in crash_kexec (regs=0x0) at kexec.h:64
* 1 process 0  0xffffffff80251297 in crash_kexec (regs=0x0) at kexec.h:64
(gdb) bt
#0  0xffffffff80251297 in crash_kexec (regs=0x0) at kexec.h:64
#1  0xffffffff80231162 in panic (fmt=0xffffffff80533f8e "Aiee, killing interrupt handler!")
    at kernel/panic.c:89
#2  0xffffffff80234721 in do_exit (code=Variable "code" is not available.
) at kernel/exit.c:855
#3  0xffffffff80504219 in do_page_fault (regs=Variable "regs" is not available.
) at arch/x86_64/mm/fault.c:560
#4  0xffffffff8020a71d in error_sti () at cpumask.h:183
#5  0x0000000000000000 in ?? ()
#6  0xffffffff80747f08 in init_thread_union ()
#7  0x00000000000000a9 in ?? ()
#8  0x0000000000000000 in ?? ()
#9  0x0000000000000000 in ?? ()
#10 0xffff81013ddda580 in ?? ()
#11 0xffff8100bd4f4000 in ?? ()
#12 0xffff8100ba5a7b48 in ?? ()
#13 0xffff8100ba5a7b48 in ?? ()
#14 0xffff8100ba5a7b48 in ?? ()
#15 0x0000000000000004 in ?? ()
#16 0xffff81013e02eef8 in ?? ()
#17 0xffffffff805af480 in hook_lock ()
#18 0xffffffff80746000 in ?? () at swab.h:134
#19 0xffffffff805af460 in probe_sem ()
#20 0xffffffffffffffff in ?? ()
#21 0xffffffff80472d59 in cpoint_default_exit (hook=Variable "hook" is not available.
) at drivers/dtt/khdtt.c:311
#22 0x0000000000000010 in ?? ()
#23 0x0000000000010297 in ?? ()
#24 0xffffffff806a4f28 in boot_cpu_stack ()
#25 0x0000000000000018 in ?? ()
#26 0xffffffff80472d23 in cpoint_default_exit (hook=Variable "hook" is not available.
) at drivers/dtt/khdtt.c:300
---Type <return> to continue, or q <return> to quit---
#27 0xffffffff80254064 in INT_HW_IRQ_EN_hook () at kernel/irq/handle.c:87
#28 0xffffffff80254155 in INT_HARDWARE_ENTRY_hook () at kernel/irq/handle.c:177
#29 0xffffffff8020bc28 in do_IRQ (regs=0xffffffff80747f08) at arch/x86_64/kernel/irq.c:100
#30 0xffffffff80209d62 in common_interrupt () at cpumask.h:183
#31 0xffffffff80747f08 in init_thread_union ()
#32 0x0000000000000000 in ?? ()
#33 0x0000000000000000 in ?? ()
#34 0x0000000000000000 in ?? ()
#35 0x0000000000000000 in ?? ()
#36 0x0000000000000000 in ?? ()
#37 0x0000000000000000 in ?? ()
#38 0x0000000000000000 in ?? ()
#39 0x0000000000000000 in ?? ()
#40 0x0000000000000000 in ?? ()
#41 0x0000000000000000 in ?? ()
#42 0x0000000000000000 in ?? ()
#43 0x0000000000000000 in ?? ()
#44 0x0000000000000000 in ?? ()
#45 0x0000000000000000 in ?? ()
#46 0x0000000000000000 in ?? ()
#47 0x0000000000000000 in ?? ()
#48 0x0000000000000000 in ?? ()
#49 0x0000000000000000 in ?? ()