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Pingfan Liu c1a06343df kdumpctl: wait a while for network ready if dump target is ssh
If dump target is ipv6 address, a host should have ipv6 address ready
before starting kdump service. Otherwise, kdump service fails to start due
to the failure "ssh dump_server_ip mkdir -p $SAVE_PATH".
And user can see message like:
 "Could not create root@2620:52:0:10da:46a8:42ff:fe23:3272/var/crash"

I observe a long period (about 30s) on some machine before they got ipv6
address dynamiclly, which is never seen on ipv4 host.

Hence kdump service has a dependency on ipv6 address. But there is no good
way to resolve it. One way is asking user to run the cmd "nmcli connection
modify eth0 ipv6.may-fail false". But this will block systemd until ipv6
address is ready. Despite doing so, kdump can try its best (wait 1 minutes
after it starts up) before failure.

How to implement the wait is arguable. It will involve too many technique
details if explicitly waiting on ipv6 address, instead, just lean on 'ssh'
return value to see the availability of network.

Signed-off-by: Pingfan Liu <piliu@redhat.com>
Acked-by: Kairui Song <kasong@redhat.com>
2019-08-12 16:13:08 +08:00
.gitignore .gitignore: Update to make it more generic 2016-05-16 10:15:01 +08:00
98-kexec.rules Make udev reload rules quiet during bootup 2018-12-06 17:44:03 +08:00
98-kexec.rules.ppc64 kexec.rules: create dedicated udev rules for ppc64 2019-05-06 16:22:28 +08:00
dracut-early-kdump-module-setup.sh earlykdump: warn when installed kernel version differs from dracut target 2019-01-10 18:16:58 +08:00
dracut-early-kdump.sh earlykdump: generate symlink with stable name to kernel image and iniramfs 2019-01-10 18:11:49 +08:00
dracut-kdump-capture.service dracut-kdump-capture.service: Use OnFailureJobMode instead of deprecated OnFailureIsolate 2019-06-14 09:44:09 +08:00
dracut-kdump-emergency.service kdump-emergency: fix "Transaction is destructive" emergency failure 2017-03-31 11:54:30 +08:00
dracut-kdump-emergency.target kdump-emergency: fix "Transaction is destructive" emergency failure 2017-03-31 11:54:30 +08:00
dracut-kdump-error-handler.service Add failure_action as alias of default and make default obsolete 2019-01-22 17:57:53 +08:00
dracut-kdump-error-handler.sh Add failure_action as alias of default and make default obsolete 2019-01-22 17:57:53 +08:00
dracut-kdump.sh Get rid of duplicated strip_comments when reading config 2019-05-20 16:56:28 +08:00
dracut-module-setup.sh Don't forward and drop journalctl logs for fadump 2019-08-06 11:14:15 +08:00
dracut-monitor_dd_progress monitor-dd-progress fix 2013-06-25 16:45:59 +08:00
early-kdump-howto.txt earlykdump: provide a prompt message after the rebuilding of kdump initramfs. 2019-05-20 16:56:19 +08:00
fadump-howto.txt Add final_action option to kdump.conf 2019-01-22 17:58:24 +08:00
kdump-dep-generator.sh kdump-dep-generator: Add kdump service dependencies on the fly 2014-04-17 11:27:31 +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 Get rid of duplicated strip_comments when reading config 2019-05-20 16:56:28 +08:00
kdump-lib.sh Get rid of duplicated strip_comments when reading config 2019-05-20 16:56:28 +08:00
kdump-udev-throttler Make udev reload rules quiet during bootup 2018-12-06 17:44:03 +08:00
kdump.conf Add final_action option to kdump.conf 2019-01-22 17:58:24 +08:00
kdump.conf.5 Add final_action option to kdump.conf 2019-01-22 17:58:24 +08:00
kdump.service kdumpctl: Add reload support 2018-11-01 22:31:20 +08:00
kdump.sysconfig Remove kernel param "quiet" from kdump kernel cmdline 2015-12-11 15:18:31 +08:00
kdump.sysconfig.aarch64 aarch64/kdump.sysconfig: Make config options similar to x86_64 2019-05-29 17:04:27 +08:00
kdump.sysconfig.i386 Always drop nofail or nobootwait options 2018-08-14 10:34:45 +08:00
kdump.sysconfig.ppc64 Always drop nofail or nobootwait options 2018-08-14 10:34:45 +08:00
kdump.sysconfig.ppc64le Always drop nofail or nobootwait options 2018-08-14 10:34:45 +08:00
kdump.sysconfig.s390x Always drop nofail or nobootwait options 2018-08-14 10:34:45 +08:00
kdump.sysconfig.x86_64 kdump.sysconfig/x86_64: Disable HEST by default 2019-07-09 14:11:36 +08:00
kdumpctl kdumpctl: wait a while for network ready if dump target is ssh 2019-08-12 16:13:08 +08:00
kdumpctl.8 Update man page for new kdumpctl command: reload / rebuild 2019-04-05 02:02:58 +08:00
kexec-kdump-howto.txt kexec-kdump-howto.txt: Add document about encrypted targets 2019-05-20 13:41:44 +08:00
kexec-tools-2.0.20-fix-broken-multiboot2-buliding-for-i386.patch x86: Fix broken multiboot2 buliding for i386 2019-08-02 11:24:03 +08:00
kexec-tools-2.0.20-makedumpfile-Do-not-proceed-when-get_num_dumpable_cyclic-fails.patch makedumpfile: Do not proceed when get_num_dumpable_cyclic() fails 2019-08-06 11:14:40 +08:00
kexec-tools-2.0.20-makedumpfile-Increase-SECTION_MAP_LAST_BIT-to-4.patch makedumpfile: Increase SECTION_MAP_LAST_BIT to 4 2019-08-06 11:15:14 +08:00
kexec-tools.spec makedumpfile: Increase SECTION_MAP_LAST_BIT to 4 2019-08-06 11:15:14 +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 Get rid of duplicated strip_comments when reading config 2019-05-20 16:56:28 +08:00
mkdumprd.8 Remove comma which is redundant 2013-02-16 15:19:41 +08:00
README README: Add a README file 2014-04-02 10:45:36 +08:00
sources Release 2.0.20-1 2019-07-31 15:54:46 +08:00
zanata-notes.txt Add a notes for zanata process 2012-12-05 01:23:09 -05:00

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