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Diffstat (limited to 'tmpfiles.d/systemd-pstore.conf')
| -rw-r--r-- | tmpfiles.d/systemd-pstore.conf | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tmpfiles.d/systemd-pstore.conf b/tmpfiles.d/systemd-pstore.conf new file mode 100644 index 0000000..e6540b5 --- /dev/null +++ b/tmpfiles.d/systemd-pstore.conf @@ -0,0 +1,34 @@ +# SPDX-License-Identifier: LGPL-2.1-or-later +# +# The systemd-pstore.service(1) archives the contents of /sys/fs/pstore +# upon boot so that there is room for a subsequent dump. This service +# is enabled with: +# systemctl enable systemd-pstore +# +# With the service enabled, the kernel still needs to be configured +# to write data into the pstore. The kernel has two parameters, +# crash_kexec_post_notifiers and printk.always_kmsg_dump, that +# control writes into pstore. +# +# The crash_kexec_post_notifiers parameter enables the kernel to write +# dmesg (including stack trace) into pstore upon a panic even if kdump +# is loaded, only needed if you want to use pstore with kdump. Without +# this parameter, kdump could block writing to pstore for stability +# reason. Note this increases the risk of kdump failure even if pstore +# is not available. +# +# The printk.always_kmsg_dump parameter enables the kernel to write dmesg +# upon a normal shutdown (shutdown, reboot, halt). +# +# To configure the kernel parameters, uncomment the appropriate +# line(s) below. The value written is either 'Y' to enable the +# kernel parameter, or 'N' to disable the kernel parameter. +# +# After making a change to this file, do: +# systemd-tmpfiles --create path/to/tmpfiles.d/systemd-pstore.conf +# +# These changes are automatically applied on future re-boots. + +d /var/lib/systemd/pstore 0755 root root 14d +#w- /sys/module/printk/parameters/always_kmsg_dump - - - - Y +#w- /sys/module/kernel/parameters/crash_kexec_post_notifiers - - - - Y |