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Commit 75ba0861 authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds
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[PATCH] doc: refer to kdump in oops-tracing.txt 



Kdump has been merged and supported on several architectures.  It is better
to encourage to use kdump rather than non standard kernel crash dump
patches.

Signed-off-by: default avatarAkinobu Mita <mita@miraclelinux.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 8428cfe8

Documentation/oops-tracing.txt

+3 −5
Original line number Diff line number Diff line
@@ -41,11 +41,9 @@ the disk is not available then you have three options :- 
    run a null modem to a second machine and capture the output there

    using your favourite communication program.  Minicom works well.



(3) Patch the kernel with one of the crash dump patches.  These save

    data to a floppy disk or video rom or a swap partition.  None of

    these are standard kernel patches so you have to find and apply

    them yourself.  Search kernel archives for kmsgdump, lkcd and

    oops+smram.

(3) Use Kdump (see Documentation/kdump/kdump.txt),

    extract the kernel ring buffer from old memory with using dmesg

    gdbmacro in Documentation/kdump/gdbmacros.txt.





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