Resuming after Hibernating Wifi Fails

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@cscs · 2026-04-22 · via CachyOS Forum - Latest posts

I’m having issues with hibernation. It first wouldn’t hibernate at all when closing the lid, which I fixed by running chmod -x /usr/lib/kf6/kauth/wakeupsourcehelper as described here. This worked but now when I resume from hibernation, my apps don’t restart as they were before hibernating and 90% of the time my wifi doesn’t work at all which only seems to be fixed with a full restart.

I tried sudo systemctl restart NetworkMananger and sudo modprobe -r iwlmvm iwlwifi && sudo modprobe iwlwifi iwlmvm to try and fix the wifi issue, but didn’t work only a restart would fix it.

The only options in my bios for fastboot are below and I’m pretty sure I selected the correct one to turn it off.

swapon --show

NAME            TYPE       SIZE USED PRIO
/dev/zram0      partition 62.5G   0B  100
/dev/nvme0n1p12 partition 63.3G   0B   -1

/etc/fstab

# <file system>             <mount point>  <type>  <options>  <dump>  <pass>
UUID=3afad2f3-6fd1-4b47-99b7-2f056c17133d /              btrfs   subvol=/@,defaults,noatime,compress=zstd:1 0 0
UUID=3afad2f3-6fd1-4b47-99b7-2f056c17133d /home          btrfs   subvol=/@home,defaults,noatime,compress=zstd:1 0 0
UUID=3afad2f3-6fd1-4b47-99b7-2f056c17133d /root          btrfs   subvol=/@root,defaults,noatime,compress=zstd:1 0 0
UUID=3afad2f3-6fd1-4b47-99b7-2f056c17133d /srv           btrfs   subvol=/@srv,defaults,noatime,compress=zstd:1 0 0
UUID=3afad2f3-6fd1-4b47-99b7-2f056c17133d /var/cache     btrfs   subvol=/@cache,defaults,noatime,compress=zstd:1 0 0
UUID=3afad2f3-6fd1-4b47-99b7-2f056c17133d /var/tmp       btrfs   subvol=/@tmp,defaults,noatime,compress=zstd:1 0 0
UUID=3afad2f3-6fd1-4b47-99b7-2f056c17133d /var/log       btrfs   subvol=/@log,defaults,noatime,compress=zstd:1 0 0
UUID=23D5-DEEE                            /boot          vfat    defaults,umask=0077 0 2
tmpfs                                     /tmp           tmpfs   defaults,noatime,mode=1777 0 0
UUID=c2f8d098-f947-47a4-b0bc-4d7b8bcfb28b none           swap    defaults 0 0

lsblk --output NAME,SIZE,TYPE,UUID,MOUNTPOINTS

NAME           SIZE TYPE UUID                                 MOUNTPOINTS
zram0         62.5G disk e18a7613-eeba-46ee-b0e0-76a05f4aa828 [SWAP]
nvme0n1        3.6T disk                                      
├─nvme0n1p1    200M part 82FC-6FBE                            
├─nvme0n1p2    128M part                                      
├─nvme0n1p3    1.9T part 1A82FFA782FF8593                     
├─nvme0n1p4    1.1G part E6EC17CAEC179441                     
├─nvme0n1p5   17.3G part EEE4E041E4E00E21                     
├─nvme0n1p6    1.4G part 8AD27613D276042B                     
├─nvme0n1p7  289.8G part 3afad2f3-6fd1-4b47-99b7-2f056c17133d /var/log
│                                                             /var/tmp
│                                                             /var/cache
│                                                             /home
│                                                             /root
│                                                             /srv
│                                                             /
├─nvme0n1p8  377.6G part 92577380-5f18-4aa9-b335-846a894df554 
├─nvme0n1p9   97.7G part 15a8891b-7dfe-4b7f-8d43-f2e1a1fa213c 
├─nvme0n1p10  15.6G part 7735b1b5-8f5e-4b2c-8df9-a5f91914b395 
├─nvme0n1p11 147.2G part 8a2d66f9-cc43-4ab5-acb8-25d86b53031b 
├─nvme0n1p12  63.3G part c2f8d098-f947-47a4-b0bc-4d7b8bcfb28b [SWAP]
├─nvme0n1p13 148.4G part 67271d5a-33cb-4a1f-b2ad-d8e3b7305748 
└─nvme0n1p14  86.7G part 5e185241-4eee-41e8-a21b-af9edabf1f8b 
nvme1n1      953.9G disk                                      
├─nvme1n1p1   71.7G part 802aaa01-c2f9-46f3-acc2-57c69d224d5b 
├─nvme1n1p3  556.5G part 2bee93f3-3b08-4dd6-993a-3ece0a0558e1 
├─nvme1n1p4      5G part 23D5-DEEE                            /boot
├─nvme1n1p5  126.4G part 842b78e3-2104-48b4-9deb-7035b29b3af9 
├─nvme1n1p6   77.8G part 5f56fc18-1543-45f9-bbf0-5c80905eacc3 
└─nvme1n1p7   72.8G part 34eb3b7f-2f8a-4ba0-b00d-e5abc16c00b9

/etc/mkinitcpio.conf

MODULES=()
BINARIES=()
FILES=()
HOOKS=(base systemd autodetect microcode kms modconf block keyboard sd-vconsole plymouth filesystems grub-btrfs-overlayfs)

/etc/default/limine

ESP_PATH="/boot"
KERNEL_CMDLINE[default]+="quiet nowatchdog splash rw rootflags=subvol=@ root=UUID=3afad2f3-6fd1-4b47-99b7-2f056c17133d resume=UUID=c2f8d098-f947-47a4-b0bc-4d7b8bcfb28b"
BOOT_ORDER="*, *lts, *fallback, Snapshots"

/boot/limine.conf (truncated)

comment: machine-id=30942f6aec12423bb177ad36b6251827
/+CachyOS
  //linux-cachyos
  ### This kernel entry is auto-generated by limine-entry-tool
  comment: Kernel version: 7.0.0-1-cachyos
  comment: kernel-id=linux-cachyos 
  protocol: linux
  module_path: boot():/30942f6aec12423bb177ad36b6251827/linux-cachyos/initramfs-linux-cachyos#6d047a9a816807e8d8474b02c4e71db1e64096b4cc1cce7d080c1d55d5f83ca1456ae67088a77087c0175c94b44aa56023269f009613ad8350d20d62c756c784
  path: boot():/30942f6aec12423bb177ad36b6251827/linux-cachyos/vmlinuz-linux-cachyos#53c20c4c382ab722bfe8668d1e70b6d86b894bceffe8d439ec335e158a35afa80af898557c1347a977cf9a59ad00ca1a6c9c663ca8639a464c7e42460ce9aaa6
  cmdline: quiet nowatchdog splash rw rootflags=subvol=@ root=UUID=3afad2f3-6fd1-4b47-99b7-2f056c17133d resume=UUID=c2f8d098-f947-47a4-b0bc-4d7b8bcfb28b

Here’s a bugreport I created after resuming where the wifi didn’t work.

I’m running a Dell XPS 9720 Laptop.

Any help is greatly appreciated.

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