@@ -17,7 +17,7 @@ You can use common commands, such as cp, scp or makedumpfile to copy
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the memory image to a dump file on the local disk, or across the network
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to a remote system.
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- Kdump and kexec are currently supported on the x86, x86_64, ppc64, ia64,
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+ Kdump and kexec are currently supported on the x86, x86_64, ppc64,
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s390x, arm and arm64 architectures.
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When the system kernel boots, it reserves a small section of memory for
@@ -113,7 +113,7 @@ There are two possible methods of using Kdump.
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2) Or use the system kernel binary itself as dump-capture kernel and there is
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no need to build a separate dump-capture kernel. This is possible
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only with the architectures which support a relocatable kernel. As
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- of today, i386, x86_64, ppc64, ia64, arm and arm64 architectures support
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+ of today, i386, x86_64, ppc64, arm and arm64 architectures support
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relocatable kernel.
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Building a relocatable kernel is advantageous from the point of view that
@@ -236,24 +236,6 @@ Dump-capture kernel config options (Arch Dependent, ppc64)
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Make and install the kernel and its modules.
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- Dump-capture kernel config options (Arch Dependent, ia64)
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- ----------------------------------------------------------
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-
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- - No specific options are required to create a dump-capture kernel
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- for ia64, other than those specified in the arch independent section
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- above. This means that it is possible to use the system kernel
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- as a dump-capture kernel if desired.
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-
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- The crashkernel region can be automatically placed by the system
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- kernel at runtime. This is done by specifying the base address as 0,
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- or omitting it all together::
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-
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- crashkernel=256M@0
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-
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- or::
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-
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- crashkernel=256M
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-
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Dump-capture kernel config options (Arch Dependent, arm)
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----------------------------------------------------------
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@@ -348,11 +330,6 @@ Boot into System Kernel
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On ppc64, use "crashkernel=128M@32M".
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- On ia64, 256M@256M is a generous value that typically works.
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- The region may be automatically placed on ia64, see the
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- dump-capture kernel config option notes above.
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- If use sparse memory, the size should be rounded to GRANULE boundaries.
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-
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On s390x, typically use "crashkernel=xxM". The value of xx is dependent
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on the memory consumption of the kdump system. In general this is not
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dependent on the memory size of the production system.
@@ -383,10 +360,6 @@ For ppc64:
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- Use vmlinux
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- For ia64:
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-
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- - Use vmlinux or vmlinuz.gz
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-
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For s390x:
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- Use image or bzImage
@@ -428,14 +401,10 @@ to load dump-capture kernel::
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--initrd=<initrd-for-dump-capture-kernel> \
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--append="root=<root-dev> <arch-specific-options>"
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- Please note, that --args-linux does not need to be specified for ia64.
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- It is planned to make this a no-op on that architecture, but for now
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- it should be omitted
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-
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Following are the arch specific command line options to be used while
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loading dump-capture kernel.
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- For i386, x86_64 and ia64 :
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+ For i386 and x86_64 :
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"1 irqpoll nr_cpus=1 reset_devices"
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