1 What: /sys/kernel/fadump/*
2 Date: Dec 2019
3 Contact: linuxppc-dev@lists.ozlabs.org
4 Description:
5 The /sys/kernel/fadump/* is a
6 file provide information about
7 of Firmware Assisted Dump (FAD
8
9 What: /sys/kernel/fadump/enabled
10 Date: Dec 2019
11 Contact: linuxppc-dev@lists.ozlabs.org
12 Description: read only
13 Primarily used to identify whe
14 the kernel or not.
15 User: Kdump service
16
17 What: /sys/kernel/fadump/registered
18 Date: Dec 2019
19 Contact: linuxppc-dev@lists.ozlabs.org
20 Description: read/write
21 Helps to control the dump coll
22 Setting 1 to this file enables
23 dump and 0 to disable it.
24 User: Kdump service
25
26 What: /sys/kernel/fadump/release_mem
27 Date: Dec 2019
28 Contact: linuxppc-dev@lists.ozlabs.org
29 Description: write only
30 This is a special sysfs file a
31 the system is booted to captur
32 It is used to release the memo
33 save the crash dump.
34
35 What: /sys/kernel/fadump/mem_reserve
36 Date: Dec 2019
37 Contact: linuxppc-dev@lists.ozlabs.org
38 Description: read only
39 Provide information about the
40 FADump to save the crash dump
41
42 What: /sys/kernel/fadump/hotplug_rea
43 Date: Apr 2024
44 Contact: linuxppc-dev@lists.ozlabs.org
45 Description: read only
46 Kdump udev rule re-registers f
47 primarily to update the elfcor
48 kdump udev rule that fadump re
49 memory add/remove events becau
50 the second/fadump kernel.
51 User: kexec-tools
52
53 What: /sys/kernel/fadump/bootargs_ap
54 Date: May 2024
55 Contact: linuxppc-dev@lists.ozlabs.org
56 Description: read/write
57 This is a special sysfs file a
58 parameters to be passed to cap
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