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Coiby Xu 586fe410aa Reduce kdump memory consumption by not letting NetworkManager manage unneeded network interfaces 
By default, NetworkManger will manage all the network interfaces and
try to set interface IFF_UP to get carrier state. Regardless of whether
the network interface is connected to a cable or not, the NIC driver
will allocate memory resources for e.g. ring buffers when setting IFF_UP.
This could be a waste of memory. For example it's found i40e consumes ~15GB
on a power machine. On this machine, i40e manages four interfaces but only
one interface is valid. This patch use "managed=false" to tell
NetworkManager to not manage network interfaces that are not needed by
kdump by putting 10-kdump-netif_allowlist.conf in the initramfs.

Signed-off-by: Coiby Xu <coxu@redhat.com>
Reviewed-by: Thomas Haller <thaller@redhat.com>
Reviewed-by: Philipp Rudo <prudo@redhat.com>
2022-11-23 06:39:27 +08:00
spec unit tests: add tests for get_system_size and get_recommend_size 2022-05-13 11:03:22 +08:00
tests tests: use .nmconnection to set up test network 2022-11-09 14:07:29 +08:00
.editorconfig kdump-lib-initramfs.sh: prepare to be a POSIX compatible lib 2021-09-14 03:25:46 +08:00
.gitignore unit tests: prepare for kdumpctl and kdump-lib.sh to be unit-tested 2022-04-14 11:44:12 +08:00
.shellspec unit tests: add tests for get_grub_kernel_boot_parameter 2022-04-14 11:44:27 +08:00
60-kdump.install Write to /var/lib/kdump if $KDUMP_BOOTDIR not writable 2021-04-19 16:11:17 +08:00
92-crashkernel.install Prefix reset-crashkernel-{for-installed_kernel,after-update} with underscore 2022-10-20 13:54:10 +08:00
98-kexec.rules Make udev reload rules quiet during bootup 2018-12-06 17:44:03 +08:00
98-kexec.rules.ppc64 Stop reloading kdump service on CPU hotplug event for FADump 2021-03-10 16:24:42 +08:00
crashkernel-howto.txt remind the users to run zipl after calling grubby on s390x 2022-08-03 11:09:55 +08:00
dracut-early-kdump-module-setup.sh dracut-early-kdump-module-setup.sh: install xargs and kdump-lib-initramfs.sh 2021-12-27 09:16:19 +08:00
dracut-early-kdump.sh dracut-early-kdump.sh: make it POSIX compatible 2021-09-15 23:11:37 +08:00
dracut-fadump-init-fadump.sh fadump-init: clean up mount points properly 2021-06-30 17:28:45 +08:00
dracut-fadump-module-setup.sh fadump: isolate fadump initramfs image within the default one 2021-06-29 21:35:58 +08:00
dracut-kdump-capture.service kdump-capture.service: switch to journal for stdout 2022-04-02 16:24:32 +08:00
dracut-kdump-emergency.service Merge kdump-error-handler.sh into kdump.sh 2021-09-14 03:25:54 +08:00
dracut-kdump-emergency.target kdump-emergency: fix "Transaction is destructive" emergency failure 2017-03-31 11:54:30 +08:00
dracut-kdump.sh Fix the sync issue for dump_fs 2022-10-08 15:46:11 +08:00
dracut-module-setup.sh Reduce kdump memory consumption by not letting NetworkManager manage unneeded network interfaces 2022-11-23 06:39:27 +08:00
dracut-monitor_dd_progress monitor-dd-progress fix 2013-06-25 16:45:59 +08:00
early-kdump-howto.txt Improves the early-kdump-howto.txt document in several points: 2020-03-12 23:31:34 +08:00
fadump-howto.txt update fadump-howto 2022-04-24 09:35:05 +08:00
gen-kdump-sysconfig.sh sysconfig: use a simple generator script to maintain 2022-08-16 14:35:35 +08:00
kdump-dep-generator.sh logger: source the logger file individually 2021-01-20 14:13:44 +08:00
kdump-in-cluster-environment.txt Add fence_kdump support for generic clusters 2014-04-03 14:43:06 +08:00
kdump-lib-initramfs.sh lvm.conf should be check modified if lvm2 thinp enabled 2022-11-01 12:20:34 +08:00
kdump-lib.sh Add lvm2 thin provision dump target checker 2022-11-01 12:20:34 +08:00
kdump-logger.sh Add header comment for POSIX compliant scripts 2021-09-15 23:11:37 +08:00
kdump-migrate-action.sh kdump/ppc64: rebuild initramfs image after migration 2021-07-21 10:53:59 +08:00
kdump-restart.sh kdump/ppc64: rebuild initramfs image after migration 2021-07-21 10:53:59 +08:00
kdump-udev-throttler Make udev reload rules quiet during bootup 2018-12-06 17:44:03 +08:00
kdump.conf virtiofs support for kexec-tools 2022-09-29 12:22:49 +08:00
kdump.conf.5 introduce the auto_reset_crashkernel option to kdump.conf 2022-01-05 09:40:24 +08:00
kdump.service kdump.service: use ConditionKernelCommandLine=crashkernel 2020-10-27 12:22:36 -04:00
kdumpctl Skip reset_crashkernel_after_update during package install 2022-11-18 17:22:39 +08:00
kdumpctl.8 add man documentation for kdumpctl get-default-crashkernel 2022-04-24 09:35:05 +08:00
kexec-kdump-howto.txt update kexec-kdump-howto 2022-04-24 09:35:05 +08:00
kexec-tools-2.0.23-s390_handle_R_390_PLT32DBL_reloc_entries_in_machine_apply_elf_rel_.patch s390: handle R_390_PLT32DBL reloc entries in machine_apply_elf_rel() 2022-01-26 08:25:43 +08:00
kexec-tools.spec Release 2.0.25-2 2022-10-27 16:00:11 +08:00
live-image-kdump-howto.txt Revert "kdumpctl: filter 'root' kernel parameter when running in live images" 2017-04-11 16:03:12 +08:00
mkdumprd Seperate dracut and dracut-squash compressor for zstd 2022-10-20 12:26:37 +08:00
mkdumprd.8 Doc: improve mkdumprd man page 2020-12-11 14:05:08 +08:00
mkfadumprd fadump: preserve file modification time to help with hardlinking 2022-11-09 14:07:29 +08:00
README README: Add a README file 2014-04-02 10:45:36 +08:00
sources Release 2.0.25-2 2022-10-27 16:00:11 +08:00
zanata-notes.txt Add a notes for zanata process 2012-12-05 01:23:09 -05:00

README 

Adding a patch to kexec-tools
=============================
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So if you want your patches to be included in fedora kexec-tools package,
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https://admin.fedoraproject.org/mailman/listinfo/kexec