[elrepo] Should I be able to get a kernel dump from kernel-lt on CentOS 5.X
Antonio Dupont
antonio at moosefactory.com
Wed Apr 16 21:32:48 EDT 2014
I've installed kernel-lt-3.2.57-1.el5.elrepo.i686.rpm on my CentOS 5.5
system because I'm trying to troubleshoot a third party USB hardware issue
that causes the system to hang. If I issue the commands:
echo 1 > /proc/sys/kernel/sysrq
echo "c" > /proc/sysrq-trigger
The system looks like it's starting to capture the dump information, but
complains about many kernel-module version mismatches and the kernel that
it says it's mismatching is cryptic. For example:
Mounting sysfs filesystem
Creating /dev
Creating inital device notes
Loading scsi_mod.ko module
insmod: kernel-module version mismatch
/lib/modules/3.2.57-1.el5.elrepo/scsi_mod.ko was compiled for kernel
version M?**=a while this kernel is version 3.2.57-1.el5.elrepo
The M?**=a is the cryptic part. The ** are actually suppose to be boxes,
but I don't know how to make that system.
With the latest CentOS 5.X debug kernel (kernel-debug-2.6.18-371.6.1.el5)
when I issue those commands kdump starts and captures system information in
a vmcore file.
Does kernel-lt-3.2.57-1.el5.elrepo have the capability to capture kernel
dump information? If so, any appearant indications of what I am doing
wrong. If no, I will work on compiling my own 3.2.57 kernel with the
necessary parameters. Any suggestions are appreciated.
Thanks for you help in advance.
Regards,
Antonio
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