My system locks up when I try to load & boot via kexec what kdump.txt
calls the dump-capture kernel. Nothing happens after the "Trigger a
crashdump" message and the system has to be power cycled.
So I decided to see if it would boot via grub, like other kernels, and
it doesn't, I just get a blank screen after grub loads it. I know the
documentation says not to add this kernel to the boot loader
configuration files, but I just don't know what else to do to
troubleshoot the problem.
My system kernel is based on Debian etch (2.6.18 kernel) starting from
Debian's config file for their 2.6.18-5-k7 linux-image recompiled per
kdump.txt on a PowerSpec 5500 with a 32 bit Sempron CPU. The
dump-capture kernel is compiled from the same source, starting from
"make defconfig" then tweaked per kdump.txt.
FWIW, I've upgraded this box to run mythtv (upgraded PSU, new graphics
card, tv tuner card, second 500GB disk, DVD burner) but it tends to lock
up when I'm running the mythfrontend GUI in X. I was hoping to use
kexec/kdump to try to figure out the root cause. I've used Unix crash
tools, so if I can just get a dump, I think I can tease out the info I need.
So any suggestions on how to get kexec to work for me, or at least
troubleshoot why it's not working, would be very much welcome. If you
want to see my config files, dmesg, etc., please let me know if I should
send as attachments or inline.
TIA,
Helen
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