Panic report says this:
[ 5.787861] rtc_cmos rtc_cmos: registered as rtc0
[ 5.788044] rtc_cmos rtc_cmos: setting system clock to 2026-09-01T05:24:16 UTC (1788240256)
[ 5.788077] rtc_cmos rtc_cmos: alarms up to one month, y3k, 114 bytes nvram
[ 5.788445] intel_pstate: Intel P-state driver initializing
[ 5.789179] intel_pstate: HWP enabled
[ 5.789444] simple-framebuffer simple-framebuffer.0: [drm] Registered 1 planes with drm panic
[ 5.789448] [drm] Initialized simpledrm 1.0.0 for simple-framebuffer.0 on minor 0
[ 5.790237] Console: switching to colour frame buffer device 128x48
[ 5.791249] simple-framebuffer simple-framebuffer.0: [drm] fb0: simpledrmdrmfb frame buffer device
[ 5.791269] hid: raw HID events driver (C) Jiri Kosina
[ 5.791278] usbcore: registered new interface driver usbhid
[ 5.791279] usbhid: USB HID core driver
[ 5.791310] drop_monitor: Initializing network drop monitor service
[ 5.791373] NET: Registered PF_INET6 protocol family
[ 5.791529] Segment Routing with IPv6
[ 5.791530] RPL Segment Routing with IPv6
[ 5.791533] In-situ OAM (IOAM) with IPv6
[ 5.791545] NET: Registered PF_PACKET protocol family
[ 5.792215] microcode: Current revision: 0x0000003e
[ 5.792215] microcode: Updated early from: 0x0000001a
[ 5.792504] resctrl: L2 allocation detected
[ 5.792513] IPI shorthand broadcast: enabled
[ 5.793606] sched_clock: Marking stable (5786000870, 6818046)->(5830002744, -37183828)
[ 5.793791] registered taskstats version 1
[ 5.793988] Loading compiled-in X.509 certificates
[ 5.795559] Loaded X.509 cert 'Build time autogenerated kernel key: b1dabbe722d34e538910b43d5c4d897bb1583051'
[ 5.796701] zswap: loaded using pool zstd
[ 5.796725] Demotion targets for Node 0: null
[ 5.796794] Key type .fscrypt registered
[ 5.796794] Key type fscrypt-provisioning registered
[ 5.796929] Btrfs loaded, zoned=yes, fsverity=yes
[ 5.796942] Key type big_key registered
[ 5.797145] integrity: Loading X.509 certificate: UEFI:db
[ 5.797156] integrity: Loaded X.509 cert 'Microsoft Corporation UEFI CA 2011: 13adbf4309bd82709c8cd54f316ed522988a1bd4'
[ 5.797157] integrity: Loading X.509 certificate: UEFI:db
[ 5.797166] integrity: Loaded X.509 cert 'Microsoft Windows Production PCA 2011: a92902398e16c49778cd90f99e4f9ae17c55af53'
[ 5.797167] integrity: Loading X.509 certificate: UEFI:db
[ 5.797172] integrity: Loaded X.509 cert 'Microsoft Corporation: Windows UEFI CA 2023: aefc5fbbbe055d8f8daa585473499417ab5a5272'
[ 5.797173] integrity: Loading X.509 certificate: UEFI:db
[ 5.797178] integrity: Loaded X.509 cert 'Microsoft Option ROM UEFI CA 2023: 514fbf937fa46fb57bf07af8bed84b3b864b1711'
[ 5.797178] integrity: Loading X.509 certificate: UEFI:db
[ 5.797183] integrity: Loaded X.509 cert 'Microsoft UEFI CA 2023: 81aa6b3244c935bce0d6628af39827421e32497d'
[ 5.798021] PM: Magic number: 10:993:414
[ 5.798031] thermal cooling_device10: hash matches
[ 5.798127] RAS: Correctable Errors collector initialized.
[ 5.798228] clk: Disabling unused clocks
[ 5.798228] PM: genpd: Disabling unused power domains
[ 6.019861] usb 1-6: new high-speed USB device number 2 using xhci_hcd
[ 6.091572] ata3: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 6.091624] ata4: SATA link down (SStatus 4 SControl 300)
[ 6.091680] ata8: SATA link down (SStatus 4 SControl 300)
[ 6.091734] ata6: SATA link down (SStatus 4 SControl 300)
[ 6.091787] ata1: SATA link down (SStatus 4 SControl 300)
[ 6.091850] ata2: SATA link down (SStatus 4 SControl 300)
[ 6.091905] ata5: SATA link down (SStatus 4 SControl 300)
[ 6.091958] ata7: SATA link down (SStatus 4 SControl 300)
[ 6.092857] ata3.00: Model 'CT480BX500SSD1', rev 'M6CR052', applying quirks: nolpm
[ 6.092888] ata3.00: ATA-10: CT480BX500SSD1, M6CR052, max UDMA/133
[ 6.094010] ata3.00: 937703088 sectors, multi 1: LBA48 NCQ (depth 32), AA
[ 6.094024] ata3.00: LPM support broken, forcing max_power
[ 6.098064] ata3.00: Features: Dev-Sleep DIPM
[ 6.105926] ata3.00: configured for UDMA/133
[ 6.107034] ahci 0000:00:17.0: port does not support device sleep
[ 6.107349] scsi 2:0:0:0: Direct-Access ATA CT480BX500SSD1 052 PQ: 0 ANSI: 5
[ 6.108049] sd 2:0:0:0: [sda] 937703088 512-byte logical blocks: (480 GB/447 GiB)
[ 6.108069] sd 2:0:0:0: [sda] Write Protect is off
[ 6.108074] sd 2:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 6.108093] sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 6.108129] sd 2:0:0:0: [sda] Preferred minimum I/O size 512 bytes
[ 6.117451] sda: sda1 sda2 sda3
[ 6.117726] sd 2:0:0:0: [sda] Attached SCSI disk
[ 6.118414] /dev/root: Can't open blockdev
[ 6.118544] VFS: Cannot open root device "UUID=997aa350-0307-4268-9841-e7a2c43f4029" or unknown-block(0,0): error -6
[ 6.118550] Please append a correct "root=" boot option; here are the available partitions:
[ 6.118556] 0800 468851544 sda
[ 6.118561] driver: sd
[ 6.118565] 0801 51200 sda1 ed293857-01
[ 6.118570]
[ 6.118572] 0802 468266808 sda2 ed293857-02
[ 6.118575]
[ 6.118576] 0803 529408 sda3 ed293857-03
[ 6.118579]
[ 6.118582] List of all bdev filesystems:
[ 6.118625] ext3
[ 6.118627] ext2
[ 6.118659] ext4
[ 6.118690] fuseblk
[ 6.118720] btrfs
[ 6.118753]
[ 6.118771] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[ 6.118782] CPU: 7 UID: 0 PID: 1 Comm: swapper/0 Not tainted 7.1.11-arch1-1 #1 PREEMPT(full) 062643d87187bbef0decfd2ab107fe2a60326ad6
[ 6.118796] Hardware name: Gigabyte Technology Co., Ltd. Z690 UD DDR4/Z690 UD DDR4, BIOS F6 01/27/2022
[ 6.118803] Call Trace:
[ 6.118810] <TASK>
[ 6.118816] dump_stack_lvl+0x5d/0x80
[ 6.118835] vpanic+0x20a/0x410
[ 6.118852] panic+0x6b/0x70
[ 6.118865] mount_root_generic+0x1d0/0x280
[ 6.118878] prepare_namespace+0x1cb/0x260
[ 6.118887] kernel_init_freeable+0x29a/0x2d0
[ 6.118897] ? __pfx_kernel_init+0x10/0x10
[ 6.118909] kernel_init+0x1a/0x140
[ 6.118919] ret_from_fork+0x2a7/0x330
[ 6.118928] ? __pfx_kernel_init+0x10/0x10
[ 6.118938] ret_from_fork_asm+0x1a/0x30
[ 6.118954] </TASK>
[ 6.119104] Kernel Offset: 0x6e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)