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I'm attempting to use kdb 1.5 on 2.2.18 (via the patch
kdb-v1_5-2_2_18.gz).
I'd like to use this in conjunction with the NMI watchdog
timer, but it appears that some of the
code supporting the NMI watchdog timer may not have been
backported from 2.4 as part of
this patch. For example CONFIG_UP_NMI_WATCHDOG is used
in arch/i386/kernel/traps.c
but the full support for the UP NMI watchdog (generating
watchdog events based on the performance
counters) doesn't appear to be included in the patch.
Also, some of the code in traps.c is
conditionally compiled based on CONFIG_X86_IO_APIC_KAO but
this doesn't appear to be
a valid config option. Also, the /proc NMI watchdog
support appears to be missing.
Should I assume that the NMI watchdog feature isn't supported
with the backport to 2.2, or am I
missing something? I'm aware that there is a separate
NMI watchdog patch for 2.2 kernels, but I
don't believe this includes the UP support and it would need
to be integrated with kdb.
Thanks in advance,
Dave
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