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in rc.init copy log from previous boot to place of safety

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This commit is contained in:
Daniel Barlow
2025-01-01 18:20:03 +00:00
parent fd28f0ce04
commit cc94ef57fa
2 changed files with 7 additions and 11 deletions
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13
doc/admin.rst
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@@ -145,17 +145,8 @@ to :file:`/dev/pmsg0` as well as to the regular log. This is a
circular buffer, so when it fills up newer messages will overwrite the
oldest messages.
To check the previous messages after a (planned or forced) reboot,
you need to mooun the pstore filesystem.
.. code-block:: console
# mount -t pstore pstore /sys/fs/pstore/
# ls -l /sys/fs/pstore/
-r--r--r-- 1 43071 pmsg-ramoops-0
# cat /sys/fs/pstore/pmsg-ramoops-0
@40000000000000282c997d29 mydevice klogd <6>[ 30.793756] int: port 2(wlan0) entered blocking state
[log messages from before the reboot follow]
Logs found in pstore after a reboot will be moved at startup to
:file:`/run/log/previous-boot`