IRQ handling with IRQs disabled : Overflow
------------------------------------------
llm07:/home/murali/dtt_tools # ./ttutils set -p INT_HARDWARE_ENTRY -t overflow
U need to give the command two times.. otherwise it wont work.
llm07:/proc # ls -l vmcore
-r-------- 1 root root 5233509064 Mar 29 07:57 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 regs
Undefined info command: "regs". Try "help info".
(gdb) info registers
rax 0x0 0
rbx 0xffff8100b7afd000 -139634894974976
rcx 0x40000 262144
rdx 0xdad6aa 14341802
rsi 0x246 582
rdi 0x0 0
rbp 0xffffffff805a3180 0xffffffff805a3180
rsp 0xffffffff806a3e28 0xffffffff806a3e28
r8 0xffffffff 4294967295
r9 0x7 7
r10 0x0 0
r11 0x0 0
r12 0x0 0
r13 0x9 9
r14 0x0 0
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
* 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 0xffff81000c003800 in ?? ()
#7 0x0000000021a8c9e4 in ?? ()
#8 0x0000000080209dce in ?? ()
#9 0xffffffff806a4280 in boot_cpu_stack ()
#10 0x0000000000000000 in ?? ()
#11 0x0000000000000000 in ?? ()
#12 0x0000000000000000 in ?? ()
#13 0x0000000000000000 in ?? ()
#14 0xffffffff806a42b4 in boot_cpu_stack ()
#15 0x0000000000000000 in ?? ()
#16 0x0000000000000001 in ?? ()
#17 0xffffffff806a42a8 in boot_cpu_stack ()
#18 0x0000000000000000 in ?? ()
#19 0xffff81000c004c20 in ?? ()
#20 0xffffffffffffffff in ?? ()
#21 0xffffffff80229bd8 in find_busiest_group (sd=Cannot access memory at address 0x80209d9e
) at bitops.h:243
Previous frame inner to this frame (corrupt stack?)
(gdb)