IRQ handling with IRQs enabled : panic
--------------------------------------


llm07:/proc # ls -l vmcore
-r--------  1 root root 5233509408 Apr  3 02:39 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 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=0xffffffff80576308 "dumptest") at kernel/panic.c:89
#2  0xffffffff80472d3f in cpoint_default_exit (hook=Variable "hook" is not available.
) at drivers/dtt/khdtt.c:306
#3  0x00000000000000a9 in ?? ()
#4  0xffffffff80254064 in INT_HW_IRQ_EN_hook () at kernel/irq/handle.c:87
#5  0xffffffff80254155 in INT_HARDWARE_ENTRY_hook () at kernel/irq/handle.c:177
#6  0xffffffff8020bc28 in do_IRQ (regs=0xffffffff80747f08) at arch/x86_64/kernel/irq.c:100
#7  0xffffffff80209d62 in common_interrupt () at cpumask.h:183
#8  0xffffffff80747f08 in init_thread_union ()
#9  0x0000000000000000 in ?? ()
#10 0x0000000000000000 in ?? ()
#11 0x0000000000000000 in ?? ()
#12 0x0000000000000000 in ?? ()
#13 0x0000000000000000 in ?? ()
#14 0x0000000000000000 in ?? ()
#15 0x0000000000000000 in ?? ()
#16 0x0000000000000000 in ?? ()
#17 0x0000000000000000 in ?? ()
#18 0x0000000000000000 in ?? ()
#19 0x0000000000000000 in ?? ()
#20 0x0000000000000000 in ?? ()
#21 0x0000000000000000 in ?? ()
#22 0x0000000000000000 in ?? ()
#23 0x0000000000000000 in ?? ()
#24 0x0000000000000000 in ?? ()
#25 0x0000000000000000 in ?? ()
#26 0x0000000000000000 in ?? ()
#27 0x0000000000000000 in ?? ()
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) info registers
rax            0x0      0
rbx            0xffff81013d40a800       -139632654112768
rcx            0xffffffff805aaaa8       -2141541720
rdx            0xffffffff805aaaa8       -2141541720
rsi            0x246    582
rdi            0x0      0
rbp            0x0      0x0
rsp            0xffffffff806a4d88       0xffffffff806a4d88
r8             0xffffffff805aaaa8       -2141541720
r9             0x0      0
r10            0x0      0
r11            0xffffffff806a4d58       -2140517032
r12            0x0      0
r13            0xa9     169
r14            0xffffffff80747f08       -2139848952
r15            0x0      0
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