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The kdump tool presently allows one to generate an ELF file containing
the ELF header, PT_NOTE and PT_LOAD segments (which can be analyzed
later by tools like 'readelf') of the crashdump read from memory, when
passed with an appropriate 'elfcorehdr' value(which represents the
physical address of the start of the ELF header).
With the availability of tools like crash/gdb the analysis of the
crashdump core has become rather easy, and it makes the kdump tool
obsolete. Also the same naming convention (man page) causes confusion
when compared to similarly named distribution specific kdump
service/utilities.
Also most distributions (like Fedora for e.g.) now support more
enhanced kdump service and utilities which can be used to analyze the
crashdump core contents better. Taking an example of the Fedora
specific kdump service and utilities, the following sequence of steps
happen when the primary kernel crashes:
1. If the crashkernel is loaded, then the system starts executing the
same.
2. When the boot process gets to the point when kdump service is
started, the crashdump core is usually copied out to disk (for e.g.
inside '/var/crash') using 'cp' command from '/proc/vmcore':
# cp /proc/vmcore <dump-file>
3. Thereafter the system is rebooted back into the normal kernel.
4. Once back to your normal kernel, one can use the crashdump core
available on hard disk in conjunction with the previously installed
kernel (with debuginfo) to perform postmortem analysis with tools like
gdb/crash:
# gdb vmlinux <dump-file>
Accordingly, this patch removes the obsolete kdump tool from
'kexec-tools'.
Signed-off-by: Bhupesh Sharma <bhsharma@redhat.com>
Reviewed-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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a) rpmbuild doesn't like '-' in version, replace it with '.'.
b) update the files installed in kexec-tools.spec
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Ameya Palande <ameya.palande@nokia.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Without this patch rpmbuild complains about unpackaged kdump and kexec_test
files.
Signed-off-by: Ameya Palande <ameya.palande@nokia.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Ameya Palande <ameya.palande@nokia.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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- Initial import into git
- initial nbi image formage support
- ppc32 initial register setting fixes.
- gzipped multiboot file support
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