IRQ handling with IRQs disabled : Bug
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llm07:/home/murali/dtt_tools # ./ttutils set -p INT_HARDWARE_ENTRY -t bug -c 100
llm07:~ # cd /proc/
llm07:/proc # ls -l vmcore
-r-------- 1 root root 5233509408 Mar 29 07:34 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 0xffff81000cccd400 -139637761977344
rcx 0x0 0
rdx 0x246 582
rsi 0x246 582
rdi 0x0 0
rbp 0xffffffff805a3180 0xffffffff805a3180
rsp 0xffffffff806a7c88 0xffffffff806a7c88
r8 0x2 2
r9 0x0 0
r10 0x0 0
r11 0xffffffff806c4e99 -2140385639
r12 0xffffffff806a7f58 -2140504232
r13 0xb 11
r14 0xffffffff806a4c08 -2140517368
r15 0xffffffff8052dda9 -2142052951
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 0xffffffff80502ba1 in die_nmi (str=Variable "str" is not available.
) at arch/x86_64/kernel/traps.c:463
#4 0xffffffff8050303b in nmi_watchdog_tick (regs=Variable "regs" is not available.
) at arch/x86_64/kernel/nmi.c:495
#5 0xffffffff805029f6 in default_do_nmi (regs=Variable "regs" is not available.
) at arch/x86_64/kernel/traps.c:647
#6 0xffffffff80502f33 in do_nmi (regs=Variable "regs" is not available.
) at arch/x86_64/kernel/nmi.c:531
#7 0xffffffff805025c3 in nmi () at system.h:182
#8 0xffffffff8052dda9 in __func__.4 ()
#9 0xffffffff806a4c08 in boot_cpu_stack ()
#10 0x0000000000000000 in ?? ()
#11 0x0000000000000000 in ?? ()
#12 0x0000000000000000 in ?? ()
#13 0xffffffff8073a400 in pidmap_lock ()
#14 0xffffffff806c44f5 in __log_buf ()
#15 0x0000000000000000 in ?? ()
#16 0x0000000000000000 in ?? ()
#17 0x0000000000000002 in ?? ()
#18 0xffff81000c003400 in ?? ()
#19 0x0000000000000000 in ?? ()
#20 0xffff81008b883000 in ?? ()
#21 0xffffffff806a4c08 in boot_cpu_stack ()
#22 0xffffffff8073a428 in irq_desc ()
#23 0xffffffffffffffff in ?? ()
#24 0xffffffff805020bd in .text.lock.spinlock () at sched.h:13
#25 0x0000000000000010 in ?? ()
#26 0x0000000000000086 in ?? ()
---Type <return> to continue, or q <return> to quit---
#27 0xffffffff806a4ba8 in boot_cpu_stack ()
#28 0x0000000000000018 in ?? ()
#29 0x0000000000000000 in ?? ()
#30 0x0000000000000000 in ?? ()
#31 0x0000000000000000 in ?? ()
#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 ?? ()
#50 0x0000000000000000 in ?? ()
#51 0x0000000000000000 in ?? ()
#52 0x0000000000000000 in ?? ()
#53 0x0000000000000000 in ?? ()