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#1 2025-12-25 11:36:47

NilsS565
Member
Registered: 2018-03-27
Posts: 6

[Solved] Some Partitions not being loaded on boot

Hello,

since 2 or 3 days, some of my partitions arent loaded anymore even though they are in my `/etc/fstab`.
I haven't touched my hardware or my fstab in months. It just "suddendly" does not work anymore.

This is my fstab file:

# /dev/sda1
UUID=fc2c5fa7-3033-4785-8068-e9a1ab6f6e45	/         	ext4      	rw,relatime	0 1
# /dev/sdb1
UUID=64835af7-9732-47a5-b6bb-a3879a335f01	/data     	ext4      	rw,relatime	0 2
# /dev/sda2
UUID=5025550c-4e81-4b16-b531-17fceeddc1d5	none      	swap      	defaults  	0 0
# /dev/sdb2
UUID=3E50C3D350C38FD7				/mnt/data_win	ntfs		rw, relatime	0 2
# /dev/sdc1
UUID=98e5183f-b8eb-4f88-b75a-fd1130283fe0	/mnt/ssd500gb	ext4		rw, relatime	0 2
# /dev/nvmen
UUID=ae7f8c30-4538-4aa8-be5a-d8bb63f1409f       /mnt/nvme       auto nosuid,nodev,nofail,x-gvfs-show 0 2
# /dev/sdd1
UUID=953b1a2f-f329-419c-81be-911a1de921a7	/mnt/ssd1tb	ext4		rw, relatime	0 2


And this is the output of lsblk -f:

NAME        FSTYPE FSVER LABEL     UUID                                 FSAVAIL FSUSE% MOUNTPOINTS
sda                                                                                    
├─sda1      ext4   1.0             fc2c5fa7-3033-4785-8068-e9a1ab6f6e45   38.7G    77% /
└─sda2      swap   1               5025550c-4e81-4b16-b531-17fceeddc1d5                [SWAP]
sdb                                                                                    
├─sdb1      ext4   1.0             64835af7-9732-47a5-b6bb-a3879a335f01  403.4G    26% /data
└─sdb2      ntfs         Volume    3E50C3D350C38FD7                                    
sdc                                                                                    
├─sdc1      ext4   1.0   games_1tb 953b1a2f-f329-419c-81be-911a1de921a7                
└─sdc2      ntfs         win_games 79ED33F3363D13EB                                    
sdd                                                                                    
└─sdd1      ext4   1.0             98e5183f-b8eb-4f88-b75a-fd1130283fe0                
nvme0n1                                                                                
└─nvme0n1p1 ext4   1.0             ae7f8c30-4538-4aa8-be5a-d8bb63f1409f  150.7G    78% /mnt/nvme

And this is what dmesg logs:

~ $ cat out_dmesg | grep nvme
[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-linux root=UUID=fc2c5fa7-3033-4785-8068-e9a1ab6f6e45 rw loglevel=3 quiet splash nvme_core.default_ps_max_latency_us=5500 nvidia_drm.modeset=1
[    0.026837] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux root=UUID=fc2c5fa7-3033-4785-8068-e9a1ab6f6e45 rw loglevel=3 quiet splash nvme_core.default_ps_max_latency_us=5500 nvidia_drm.modeset=1
[    4.994990] nvme nvme0: pci function 0000:01:00.0
[    5.006669] nvme nvme0: D3 entry latency set to 10 seconds
[    5.010766] nvme nvme0: 16/0/0 default/read/poll queues
[    5.012660]  nvme0n1: p1
[    6.950409] EXT4-fs (nvme0n1p1): mounted filesystem ae7f8c30-4538-4aa8-be5a-d8bb63f1409f r/w with ordered data mode. Quota mode: none.
[   21.336995] nvme nvme0: using unchecked data buffer
~ $ cat out_dmesg | grep sd
[    0.812880] ahci 0000:02:00.1: flags: 64bit ncq sntf stag pm led clo only pmp pio slum part sxs deso sadm sds apst 
[    1.304323] sd 0:0:0:0: [sda] 488397168 512-byte logical blocks: (250 GB/233 GiB)
[    1.304332] sd 0:0:0:0: [sda] Write Protect is off
[    1.304334] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    1.304346] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    1.304377] sd 0:0:0:0: [sda] Preferred minimum I/O size 512 bytes
[    1.312869]  sda: sda1 sda2
[    1.313807] sd 0:0:0:0: [sda] supports TCG Opal
[    1.313810] sd 0:0:0:0: [sda] Attached SCSI disk
[    1.775992] sd 1:0:0:0: [sdb] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB)
[    1.775995] sd 1:0:0:0: [sdb] 4096-byte physical blocks
[    1.776002] sd 1:0:0:0: [sdb] Write Protect is off
[    1.776004] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[    1.776016] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    1.776037] sd 1:0:0:0: [sdb] Preferred minimum I/O size 4096 bytes
[    1.808719]  sdb: sdb1 sdb2
[    1.808798] sd 1:0:0:0: [sdb] Attached SCSI disk
[    2.268133] sd 4:0:0:0: [sdc] 1953525168 512-byte logical blocks: (1.00 TB/932 GiB)
[    2.268141] sd 4:0:0:0: [sdc] Write Protect is off
[    2.268143] sd 4:0:0:0: [sdc] Mode Sense: 00 3a 00 00
[    2.268155] sd 4:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    2.268176] sd 4:0:0:0: [sdc] Preferred minimum I/O size 512 bytes
[    2.285441]  sdc: sdc1 sdc2
[    2.285514] sd 4:0:0:0: [sdc] Attached SCSI disk
[    2.748978] sd 5:0:0:0: [sdd] 976773168 512-byte logical blocks: (500 GB/466 GiB)
[    2.748987] sd 5:0:0:0: [sdd] Write Protect is off
[    2.748990] sd 5:0:0:0: [sdd] Mode Sense: 00 3a 00 00
[    2.749002] sd 5:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    2.749032] sd 5:0:0:0: [sdd] Preferred minimum I/O size 512 bytes
[    2.766365]  sdd: sdd1
[    2.767564] sd 5:0:0:0: [sdd] supports TCG Opal
[    2.767566] sd 5:0:0:0: [sdd] Attached SCSI disk
[    5.414733] EXT4-fs (sda1): mounted filesystem fc2c5fa7-3033-4785-8068-e9a1ab6f6e45 r/w with ordered data mode. Quota mode: none.
[    5.509744] systemd[1]: Hostname set to <nilsdeskarch>.
[    5.915300] EXT4-fs (sda1): re-mounted fc2c5fa7-3033-4785-8068-e9a1ab6f6e45.
[    5.917415] sd 0:0:0:0: Attached scsi generic sg0 type 0
[    5.917461] sd 1:0:0:0: Attached scsi generic sg1 type 0
[    5.917497] sd 4:0:0:0: Attached scsi generic sg2 type 0
[    5.917533] sd 5:0:0:0: Attached scsi generic sg3 type 0
[    6.359706] Adding 17941380k swap on /dev/sda2.  Priority:-2 extents:1 across:17941380k SS
[    6.960072] EXT4-fs (sdb1): mounted filesystem 64835af7-9732-47a5-b6bb-a3879a335f01 r/w with ordered data mode. Quota mode: none.

I don't understand why the partitions don't even show up in the dmesg log.

Last edited by NilsS565 (2025-12-25 13:03:41)

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#2 2025-12-25 11:40:31

cryptearth
Member
Registered: 2024-02-03
Posts: 1,884

Re: [Solved] Some Partitions not being loaded on boot

your options look wrong: there's a space after the comma - which is not supposed to be there
remove the spaces and retry

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#3 2025-12-25 13:02:17

NilsS565
Member
Registered: 2018-03-27
Posts: 6

Re: [Solved] Some Partitions not being loaded on boot

Oh wow, thanks. That was it. I wonder why it always worked or if some updated changed the file.

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#4 2025-12-25 14:39:22

cryptearth
Member
Registered: 2024-02-03
Posts: 1,884

Re: [Solved] Some Partitions not being loaded on boot

wild guess: as other reported issues with systemd-259 it COULD be that until this update the parsing was more easy and somehow still got it correctly - and MAYBE with the recent update the parser got more strict and now refuse the wrong lines altogether
likely some log had some hint about parsing error or something similar - but glad it worked out to fix the parameters

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