Arch Linux

ableto

Member

Registered: 2022-02-27

Posts: 5

Fstab

I did not enable tracefs, why are those lines in my fstab? I'm open to questions and answers.

# tracefs
tracefs                 /sys/kernel/tracing     tracefs         rw,nosuid,nodev,noexec  0 0

ableto

Member

Registered: 2022-02-27

Posts: 5

Re: Fstab

I did not enable ftracer*

Trilby

Inspector Parrot

Registered: 2011-11-29

Posts: 30,384

Website

Re: Fstab

That seems to be automatically added by genfstab now.  I'm not aware of the reasoning.  Tracefs seems to be mounted regardless of the entry in fstab anyways (I have no such line in my fstab and it is still listed in the output of `mount`).  I gather this is due to the system mount sys-kernel-tracing.mount.

Last edited by Trilby (2022-02-27 20:08:54)

---

"UNIX is simple and coherent" - Dennis Ritchie; "GNU's Not Unix" - Richard Stallman

ableto

Member

Registered: 2022-02-27

Posts: 5

Re: Fstab

I tried to run genfstab from arch-install-scripts after umounting /sys/kernel/tracing and no luck, it still mounts itself.

loqs

Member

Registered: 2014-03-06

Posts: 18,471

Re: Fstab

genfstab is not detecting tracefs as a pseudofs filesystem.
Wad added to util-linux but arch-install-scripts/common has not been resynced against it
https://github.com/util-linux/util-linu … fdda6401d9
also missing updates from
https://github.com/util-linux/util-linu … 83dbe73b79

Last edited by loqs (2022-02-27 20:15:39)

ableto

Member

Registered: 2022-02-27

Posts: 5

Re: Fstab

When is arch-install-scripts going to be resynced to include the commits? This is just a little inconvenience, I used genfstab to correctly configure a ntfs partition. Thanks for the answer! Should I manually remove it?

Last edited by ableto (2022-02-27 20:32:32)

WorMzy

Administrator

From: Scotland

Registered: 2010-06-16

Posts: 12,893

Website

Re: Fstab

How did you create the fstab in the first place?

---

Sakura:-
Mobo: MSI MAG X570S TORPEDO MAX // Processor: AMD Ryzen 9 5950X @4.9GHz // GFX: AMD Radeon RX 5700 XT // RAM: 32GB (4x 8GB) Corsair DDR4 (@ 3000MHz) // Storage: 1x 3TB HDD, 6x 1TB SSD, 2x 120GB SSD, 1x 275GB M2 SSD

Making lemonade from lemons since 2015.

loqs

Member

Registered: 2014-03-06

Posts: 18,471

Re: Fstab

Try rebuilding arch-install-scripts with this patch applied

diff --git a/trunk/PKGBUILD b/trunk/PKGBUILD
index be6fde1..042768d 100644
--- a/trunk/PKGBUILD
+++ b/trunk/PKGBUILD
@@ -10,11 +10,17 @@ url="https://github.com/archlinux/arch-install-scripts"
 license=('GPL2')
 depends=('awk' 'bash' 'coreutils' 'pacman' 'util-linux')
 makedepends=('asciidoc' 'git')
-source=("git+https://github.com/archlinux/arch-install-scripts#tag=v${pkgver}?signed")
+source=("git+https://github.com/archlinux/arch-install-scripts#tag=v${pkgver}?signed"
+        'arch-install-scripts-pseudofs-update.patch')
 validpgpkeys=(
   'BD27B07A5EF45C2ADAF70E0484818A6819AF4A9B'  # Eli Schwartz
 )
-md5sums=('SKIP')
+md5sums=('SKIP'
+         'bcbaf2e34fd08104f53e79aeb399989a')
+
+prepare() {
+  patch -Np1 -i ../arch-install-scripts-pseudofs-update.patch -d "$pkgname"
+}
 
 pkgver() {
   cd "$pkgname"
diff --git a/trunk/arch-install-scripts-pseudofs-update.patch b/trunk/arch-install-scripts-pseudofs-update.patch
new file mode 100644
index 0000000..700dc94
--- /dev/null
+++ b/trunk/arch-install-scripts-pseudofs-update.patch
@@ -0,0 +1,48 @@
+diff --git a/common b/common
+index 0fe3cb0..0c2d61c 100644
+--- a/common
++++ b/common
+@@ -1,7 +1,9 @@
+ # generated from util-linux source: libmount/src/utils.c
+ declare -A pseudofs_types=([anon_inodefs]=1
++                           [apparmorfs]=1
+                            [autofs]=1
+                            [bdev]=1
++                           [binder]=1
+                            [bpf]=1
+                            [binfmt_misc]=1
+                            [cgroup]=1
+@@ -13,10 +15,13 @@ declare -A pseudofs_types=([anon_inodefs]=1
+                            [devpts]=1
+                            [devtmpfs]=1
+                            [dlmfs]=1
++                           [dmabuf]=1
++                           [drm]=1
+                            [efivarfs]=1
+                            [fuse.gvfs-fuse-daemon]=1
+                            [fusectl]=1
+                            [hugetlbfs]=1
++                           [ipathfs]=1
+                            [mqueue]=1
+                            [nfsd]=1
+                            [none]=1
+@@ -24,13 +29,18 @@ declare -A pseudofs_types=([anon_inodefs]=1
+                            [proc]=1
+                            [pstore]=1
+                            [ramfs]=1
++                           [resctrl]=1
+                            [rootfs]=1
+                            [rpc_pipefs]=1
++                           [smackfs]=1
+                            [securityfs]=1
+                            [sockfs]=1
+                            [spufs]=1
+                            [sysfs]=1
+-                           [tmpfs]=1)
++                           [tmpfs]=1
++                           [tracefs]=1
++                           [vboxsf]=1
++                           [virtiofs]=1)
+ 
+ # generated from: pkgfile -vbr '/fsck\..+' | awk -F. '{ print $NF }' | sort
+ declare -A fsck_types=([cramfs]=1