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Author | SHA1 | Date |
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Tao Liu | b90d7c1e28 | |
Coiby Xu | 83698d84aa | |
Coiby Xu | c179f45e05 |
15
kdump.conf.5
15
kdump.conf.5
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@ -29,7 +29,20 @@ understand how this configuration file affects the behavior of kdump.
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.B auto_reset_crashkernel <yes|no>
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.RS
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determine whether to reset kernel crashkernel parameter to the default value
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or not when kexec-tools is updated or a new kernel is installed.
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or not when kexec-tools is updated or a new kernel is installed. The default
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crashkernel values are different for different architectures and also take the
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following factors into consideration,
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- AMD Secure Memory Encryption (SME) and Secure Encrypted Virtualization (SEV)
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- Mellanox 5th generation network driver
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- aarch64 64k kernel
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- Firmware-assisted dump (FADump)
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Since the kernel crasherkernel parameter will be only reset when kexec-tools is
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updated or a new kernel is installed, you need to call "kdumpctl
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reset-crashkernel [--kernel=path_to_kernel]" if you want to use the default
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value set after having enabled features like SME/SEV for a specific kernel. And
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you should also reboot the system for the new crashkernel value to take effect.
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Also see kdumpctl(8).
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.B raw <partition>
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.RS
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@ -5,7 +5,7 @@
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Name: kexec-tools
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Version: 2.0.27
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Release: 6%{?dist}
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Release: 7%{?dist}
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License: GPLv2
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Summary: The kexec/kdump userspace component
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@ -408,6 +408,10 @@ fi
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%endif
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%changelog
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* Wed Jan 3 2024 Tao Liu <ltao@redhat.com> - 2.0.27-7
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- Explain the auto_reset_crashkernel option in more details
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- Use the same /etc/resolve.conf in kdump initrd if it's managed manually
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* Wed Dec 20 2023 Tao Liu <ltao@redhat.com> - 2.0.27-6
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- Use the same /etc/resolve.conf in kdump initrd if it's managed manually
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