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 GNU gdb 6.1 Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. 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 ?? ()