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2007-01-23[PATCH] Kdump documentation update: ia64 portionHorms1-7/+29
this patch fills in the portions for ia64 kexec. Signed-off-by: Simon Horman <horms@verge.net.au> Cc: "Zou, Nanhai" <nanhai.zou@intel.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-01-23[PATCH] Kdump documentation update: kexec-tools updateHorms1-4/+9
Mohan Kumar suggested making kexec-tools-testing.tar.gz a link to the latest version. I have done this and this patch updates the documentation accordingly. Signed-off-by: Simon Horman <horms@verge.net.au> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-01-11[PATCH] Kdump documentation updateVivek Goyal1-72/+152
o Kdump documentation update. - Update details for using relocatable kernel. - Start using kexec-tools-testing release as it is latest and old kexec-tools can't load relocatable bzImage file. - Also add kdump on ia64 specific details. Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Cc: Horms <horms@verge.net.au> Cc: Mohan Kumar M <mohan@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-03Documentation: remove duplicated wordsPaolo Ornati1-1/+1
Remove many duplicated words under Documentation/ and do other small cleanups. Examples: "and and" --> "and" "in in" --> "in" "the the" --> "the" "the the" --> "to the" ... Signed-off-by: Paolo Ornati <ornati@fastwebnet.it> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-06-26fix paniced->panicked typosLee Revell1-1/+1
In a testament to the utter simplicity and logic of the English language ;-), I found a single correct use - in kernel/panic.c - and 10-15 incorrect ones. Signed-Off-By: Lee Revell <rlrevell@joe-job.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-06-25[PATCH] Updated kdump documentationDavid Wilder1-125/+295
Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-11[PATCH] kdump: add dmesg gdbmacro into documentAkinobu Mita1-0/+22
Add gdb macro which print the kernel ring buffer into kdump docs Signed-off-by: Akinobu Mita <mita@miraclelinux.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-10[PATCH] Kdump documentation updateManeesh Soni1-70/+79
Update the kdump documentation to reflect the changes due to recent kernel config option changes for kexec and kdump. Signed-off-by: Maneesh Soni <maneesh@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-13[PATCH] More documentation, minor cleanup in kdump.txtVivek Goyal1-3/+8
Added clarification on the root device format to be used for second kernel, as well as specifying initrd if drivers are built as modules. Signed-off-by: Kishore Sampathkumar <kishore.sampathkumar@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-09[PATCH] Kdump: Documentation UpdateVivek Goyal1-8/+8
There are minor changes in command line options in kexec-tools for kdump. This patch updates the documentation to reflect those changes. Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-25[PATCH] kdump documentation update to introduce use of irqpollVivek Goyal1-11/+17
o Specify "irqpoll" command line option which loading second kernel. This helps in reducing driver initialization failures in second kernel due to shared interrupts. o Enabled LAPIC/IOAPIC support for UP kernels in second kernel. This reduces the chances of devices sharing the irq and hence reduces the chances of driver initialization failures in second kernel. o Build a UP capture kernel and disabled SMP support. Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-25[PATCH] kdump: Documentation for KdumpVivek Goyal2-0/+314
This patch contains the documentation for the kexec based crash dump tool. Quick kdump-howto ================================================================ 1) Download and build kexec-tools. 2) Download and build the latest kexec/kdump (-mm) kernel patchset. Two kernels need to be built in order to get this feature working. A) First kernel: a) Enable "kexec system call" feature: CONFIG_KEXEC=y b) Physical load address (use default): CONFIG_PHYSICAL_START=0x100000 c) Enable "sysfs file system support": CONFIG_SYSFS=y d) Boot into first kernel with the command line parameter "crashkernel=Y@X": For example: "crashkernel=64M@16M". B) Second kernel: a) Enable "kernel crash dumps" feature: CONFIG_CRASH_DUMP=y b) Physical load addreess, use same load address as X in "crashkernel" kernel parameter in d) above, e.g., 16 MB or 0x1000000. CONFIG_PHYSICAL_START=0x1000000 c) Enable "/proc/vmcore support" (Optional, in Pseudo filesystems). CONFIG_PROC_VMCORE=y 3) Boot into the first kernel. 4) Load the second kernel to be booted using: kexec -p <second-kernel> --crash-dump --args-linux --append="root=<root-dev> maxcpus=1 init 1" 5) System reboots into the second kernel when a panic occurs. A module can be written to force the panic, for testing purposes. 6) See Documentation/kdump.txt for how to read the first kernel's memory image and how to analyze it. Signed-off-by: Hariprasad Nellitheertha <hari@in.ibm.com> Signed-off-by: Eric Biederman <ebiederm@xmission.com> Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: randy_dunlap <rdunlap@xenotime.net> Signed-off-by: Maneesh Soni <maneesh@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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