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Vivek Goyal b089f4a68e [PATCH] kdump: Documentation for Kdump 
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>
 		2005-06-25 16:24:52 -07:00
..
DocBook [PATCH] DocBook: update comments 2005-06-24 00:06:40 -07:00
RCU [PATCH] Update RCU documentation 2005-05-01 08:59:05 -07:00
aoe [PATCH] aoe: update the documentation to mention aoetools 2005-05-03 23:34:54 -07:00
arm Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
block Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cdrom Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cpu-freq [PATCH] cpufreq-stats driver documentation 2005-05-31 19:04:05 -07:00
cris Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
crypto Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
device-mapper Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
driver-model [PATCH] Driver Core: driver model doc update 2005-06-20 15:15:29 -07:00
dvb [PATCH] dvb-bt8xx.txt fixes 2005-06-25 16:24:23 -07:00
early-userspace Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
fb [PATCH] intelfb documentation 2005-06-21 19:07:40 -07:00
filesystems [PATCH] xip: description 2005-06-24 00:06:42 -07:00
firmware_class Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
fujitsu/frv Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
i2c [PATCH] I2C: w83781d: remove non-i2c sensor chips 2005-06-21 21:52:07 -07:00
i2o Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
i386 [PATCH] Increase number of e820 entries hard limit from 32 to 128 2005-05-01 08:58:51 -07:00
ia64 Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
infiniband [PATCH] IPoIB: document conversion to debugfs 2005-04-16 15:26:07 -07:00
input Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ioctl Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
isdn Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
kbuild Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
kdump [PATCH] kdump: Documentation for Kdump 2005-06-25 16:24:52 -07:00
m68k Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mips Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
networking [TCP]: Update sysctl and congestion control documentation. 2005-06-23 12:22:36 -07:00
parisc Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
power [PATCH] Update video-after-suspend documentation 2005-06-25 16:24:34 -07:00
powerpc [PATCH] Driver Core: remove driver model detach_state 2005-05-17 14:54:55 -07:00
s390 [PATCH] s390: debug feature changes 2005-06-25 16:24:37 -07:00
scsi [SCSI] allow sleeping in ->eh_host_reset_handler() 2005-06-17 12:05:18 -05:00
serial Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sh Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sound [ALSA] hda-codec - More fix of ALC880 codec support 2005-06-22 12:28:59 +02:00
sparc Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sysctl [PATCH] setuid core dump 2005-06-23 09:45:26 -07:00
telephony Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
uml Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
usb Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
video4linux [PATCH] DViCO FusionHDTV3 Gold-T documentation fix 2005-06-24 00:06:38 -07:00
vm Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
w1 [PATCH] w1: Updates the w1 documentation (w1.generic) 2005-06-21 21:43:12 -07:00
watchdog Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
x86_64 [PATCH] x86_64: Add option to disable timer check 2005-05-20 15:48:21 -07:00
00-INDEX [PATCH] kdump: Documentation for Kdump 2005-06-25 16:24:52 -07:00
BUG-HUNTING Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Changes [PATCH] oprofile: report anonymous region samples 2005-06-24 00:06:27 -07:00
CodingStyle Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
DMA-API.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
DMA-mapping.txt [PATCH] remove old scsi data direction macros 2005-04-18 13:49:58 -05:00
IO-mapping.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
IPMI.txt [PATCH] ipmi: add power cycle capability 2005-06-24 00:05:23 -07:00
IRQ-affinity.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
MSI-HOWTO.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ManagementStyle Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
PCIEBUS-HOWTO.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
README.DAC960 Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
README.cycladesZ Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
SAK.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
SecurityBugs Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
SubmittingDrivers Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
SubmittingPatches Update DCO ("signoff") rules to 1.1 2005-06-13 17:51:55 -07:00
VGA-softcursor.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
atomic_ops.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
basic_profiling.txt [PATCH] oprofile: report anonymous region samples 2005-06-24 00:06:27 -07:00
binfmt_misc.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cachetlb.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cciss.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cli-sti-removal.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
computone.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cpqarray.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cpusets.txt [PATCH] Dynamic sched domains: cpuset changes 2005-06-25 16:24:45 -07:00
debugging-modules.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
devices.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
digiepca.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dnotify.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dontdiff [PATCH] Add offset.h to dontdiff 2005-06-23 09:45:31 -07:00
eisa.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
exception.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
feature-removal-schedule.txt [PATCH] Add removal schedule of register_serial/unregister_serial to appropriate file 2005-06-23 10:04:15 -07:00
floppy.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ftape.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
hayes-esp.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
highuid.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
hpet.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
hw_random.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ibm-acpi.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ide.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
initrd.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io_ordering.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ioctl-number.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
iostats.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
isapnp.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
java.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
kernel-doc-nano-HOWTO.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
kernel-docs.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
kernel-parameters.txt [PATCH] kexec: add kexec syscalls 2005-06-25 16:24:48 -07:00
keys.txt [PATCH] Keys: Make request-key create an authorisation key 2005-06-24 00:05:19 -07:00
kobject.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
kref.txt [PATCH] kref: add link to original documentation to the kref documentation. 2005-04-18 21:57:30 -07:00
laptop-mode.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ldm.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
locks.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
logo.gif Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
logo.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
magic-number.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mandatory.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mca.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
md.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
memory.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mono.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
moxa-smartio Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mtrr.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
nbd.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
nfsroot.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
nmi_watchdog.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
nommu-mmap.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
numastat.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
oops-tracing.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
paride.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
parport-lowlevel.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
parport.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pci.txt [PATCH] PCI: update PCI documentation for pci_get_slot() depreciation 2005-05-03 23:45:14 -07:00
pm.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pnp.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
preempt-locking.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
prio_tree.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ramdisk.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
riscom8.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
rocket.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
rpc-cache.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
rtc.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sched-coding.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sched-design.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sched-domains.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sched-stats.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
seclvl.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
serial-console.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sgi-ioc4.txt [PATCH] ioc4: Core driver rewrite 2005-06-21 18:46:32 -07:00
sgi-visws.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
smart-config.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
smp.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sonypi.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sparse.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
specialix.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
spinlocks.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
stable_api_nonsense.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
stallion.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
svga.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sx.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sysrq.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
time_interpolators.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
tipar.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
tty.txt [PATCH] Introduce tty_unregister_ldisc() 2005-06-23 09:45:35 -07:00
unicode.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
voyager.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
xterm-linux.xpm Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
zorro.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00

README.cycladesZ 

The Cyclades-Z must have firmware loaded onto the card before it will
operate.  This operation should be performed during system startup,

The firmware, loader program and the latest device driver code are
available from Cyclades at
    ftp://ftp.cyclades.com/pub/cyclades/cyclades-z/linux/