Hi,
I have a vmcore created by NMI on an SN. The gdb backtrace
showed the slave cpu as below:
# gdb vmlinux vmcore-nmi-10
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This GDB was configured as "ia64-suse-linux"...Using host libthread_db
library "/lib/libthread_db.so.1".
#0 crash_save_this_cpu () at arch/ia64/kernel/crash.c:57
warning: Source file is more recent than executable.
57 memcpy(buf, name, note->n_namesz);
(gdb) bt
#0 crash_save_this_cpu () at arch/ia64/kernel/crash.c:57
#1 0xa00000010005f580 in kdump_cpu_freeze (info=<value optimized out>,
arg=0x1) at arch/ia64/kernel/crash.c:166
#2 0xa00000010000c9f0 in unw_init_running () at include/linux/bitmap.h:237
#3 0xa00000010005ef70 in kdump_init_notifier (self=0xa000000100b47d78,
val=<value optimized out>, data=0xe000003007157b70)
at arch/ia64/kernel/crash.c:217
#4 0xa0000001000cf0d0 in notifier_call_chain (nl=0xe000003014bcb3f8,
val=13,
v=0xe000003007157b70) at kernel/sys.c:144
#5 0xa0000001000cf170 in atomic_notifier_call_chain
(nh=0xe000003014bcb3f0,
val=21, v=0xe000003007157b70) at kernel/sys.c:229
#6 0xa000000100048480 in ia64_init_handler (regs=0xe000003007157e40,
sw=<value optimized out>, sos=<value optimized out>)
at include/asm/kdebug.h:88
#7 0xa0000001000493a0 in ia64_os_init_virtual_begin ()
at include/asm/kdebug.h:88
(gdb)
It is the stack _after_ NMI is triggered. Is this supposed to be?
What do you see on other (ie not SN) ia64 platforms?
Thanks,
- jay
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