Kernel Message: Unexpected gfp (PBS 4.2.0 / Kernel 7.0.2-4-pve)

[the_MiCrO]

Error/ Warning right after booting: (Recurring each boot)

I can't see any negative effects so far... (Uptime 4hrs)

[  196.080015] ------------[ cut here ]------------
[  196.080019] Unexpected gfp: 0x40000 (__GFP_COMP). Fixing up to gfp: 0x2d00 (GFP_NOIO|__GFP_ZERO|__GFP_NOWARN). Fix your code!
[  196.080023] WARNING: mm/vmalloc.c:3953 at __vmalloc_noprof+0x75/0x90, CPU#8: immutable locks/2521
[  196.080030] Modules linked in: xt_comment xt_tcpudp nft_compat nf_tables sunrpc binfmt_misc bonding tls ipmi_ssif snd_hda_codec_alc882 snd_hda_codec_realtek_lib snd_hda_codec_generic snd_hda_intel snd_sof_pci_intel_tgl sch_fq_codel snd_sof_pci_intel_cnl snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda intel_rapl_msr soundwire_cadence intel_rapl_common snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_sof_utils intel_uncore_frequency snd_soc_acpi_intel_match intel_uncore_frequency_common snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation snd_soc_sdw_utils snd_soc_acpi soundwire_bus snd_soc_sdca crc8 snd_soc_avs snd_soc_hda_codec snd_hda_ext_core snd_hda_codec snd_hda_core x86_pkg_temp_thermal snd_intel_dspcfg intel_powerclamp snd_intel_sdw_acpi snd_hwdep snd_soc_core snd_compress kvm_intel ac97_bus snd_pcm_dmaengine snd_pcm ast mei_hdcp mei_pxp snd_timer i2c_algo_bit kvm mei_me snd intel_pmc_core soundcore mei
[  196.080064]  pmt_telemetry pcspkr pmt_discovery cmdlinepart pmt_class acpi_ipmi spi_nor irqbypass ipmi_si ghash_clmulni_intel aesni_intel mtd ipmi_devintf ipmi_msghandler rapl corsair_psu intel_cstate wmi_bmof intel_pmc_ssram_telemetry acpi_pad acpi_tad intel_vsec ie31200_edac joydev input_leds mac_hid drivetemp nct6775 nct6775_core hwmon_vid coretemp nvme_fabrics efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 zfs(PO) spl(O) btrfs libblake2b raid10 raid1 raid0 linear raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq cdc_ether usbmouse hid_cherry usbnet mii hid_generic usbkbd usbhid hid ixgbe nvme ucsi_acpi typec_ucsi libie_fwlog i2c_i801 mpt3sas nvme_core xfrm_algo typec xhci_pci spi_intel_pci i2c_mux e1000e ahci xhci_hcd intel_lpss_pci nvme_keyring video igc spi_intel raid_class mdio i2c_smbus intel_lpss nvme_auth libahci thunderbolt dca scsi_transport_sas idma64 hkdf wmi pinctrl_alderlake
[  196.080111] CPU: 8 UID: 0 PID: 2521 Comm: immutable locks Tainted: P           O        7.0.2-4-pve #1 PREEMPT(lazy)
[  196.080113] Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE
[  196.080114] Hardware name: Supermicro Super Server/X13SAE-F, BIOS 5.1 09/16/2025
[  196.080116] RIP: 0010:__vmalloc_noprof+0x7d/0x90
[  196.080119] Code: c9 31 f6 31 ff 45 31 c0 c3 cc cc cc cc 89 d1 89 75 ec 81 e1 e0 ad 51 00 89 4d e8 48 8d 3d db 62 27 02 48 8d 55 ec 4c 8d 45 e8 <67> 48 0f b9 3a 8b 55 e8 eb a0 e8 64 f4 e2 00 0f 1f 40 00 90 90 90
[  196.080120] RSP: 0018:ffffd4b5cbe9f4f0 EFLAGS: 00010206
[  196.080121] RAX: 0000000000000000 RBX: 00000000000011a8 RCX: 0000000000002d00
[  196.080123] RDX: ffffd4b5cbe9f4f4 RSI: 0000000000040000 RDI: ffffffff88e0c2c0
[  196.080123] RBP: ffffd4b5cbe9f508 R08: ffffd4b5cbe9f4f0 R09: 0000000000000000
[  196.080124] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000011a8
[  196.080125] R13: 0000000000000000 R14: 00000000000011a8 R15: 0000000000000000
[  196.080126] FS:  00007e3bc3fff6c0(0000) GS:ffff8d5b7670f000(0000) knlGS:0000000000000000
[  196.080127] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  196.080128] CR2: 00007e3bbd070f68 CR3: 000000010d575002 CR4: 0000000000f72ef0
[  196.080129] PKRU: 55555554
[  196.080130] Call Trace:
[  196.080132]  <TASK>
[  196.080136]  spl_kvmalloc+0x62/0xc0 [spl]
[  196.080146]  spl_kmem_zalloc+0x122/0x130 [spl]
[  196.080154]  dnode_hold_impl+0xb1e/0x1290 [zfs]
[  196.080325]  dnode_hold+0x1b/0x30 [zfs]
[  196.080449]  dmu_bonus_hold+0x3c/0xa0 [zfs]
[  196.080569]  sa_buf_hold+0xe/0x20 [zfs]
[  196.080694]  zfs_zget+0x71/0x290 [zfs]
[  196.080784]  zfs_dirent_lock+0x408/0x690 [zfs]
[  196.080872]  zfs_dirlook+0xaf/0x350 [zfs]
[  196.080962]  ? zfs_zaccess+0x27c/0x460 [zfs]
[  196.081052]  zfs_lookup+0x26b/0x420 [zfs]
[  196.081133]  zpl_lookup+0xdb/0x2e0 [zfs]
[  196.081212]  ? generic_permission+0x19a/0x2c0
[  196.081215]  __lookup_slow+0x85/0x140
[  196.081217]  lookup_slow+0x3a/0x60
[  196.081219]  path_lookupat+0x197/0x2a0
[  196.081222]  filename_lookup+0xf0/0x210
[  196.081224]  vfs_statx+0x82/0x160
[  196.081226]  __do_sys_newstat+0x60/0xb0
[  196.081229]  __x64_sys_newstat+0x16/0x20
[  196.081230]  x64_sys_call+0x11e8/0x2390
[  196.081233]  do_syscall_64+0x11c/0x14e0
[  196.081235]  ? from_kgid_munged+0x17/0x30
[  196.081238]  ? cp_new_stat+0x141/0x190
[  196.081240]  ? __do_sys_newstat+0x7c/0xb0
[  196.081242]  ? __x64_sys_newstat+0x16/0x20
[  196.081244]  ? x64_sys_call+0x11e8/0x2390
[  196.081245]  ? do_syscall_64+0x15a/0x14e0
[  196.081247]  ? __x64_sys_newstat+0x16/0x20
[  196.081248]  ? x64_sys_call+0x11e8/0x2390
[  196.081249]  ? do_syscall_64+0x15a/0x14e0
[  196.081251]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[  196.081252] RIP: 0033:0x7e3bc8e2d314
[  196.081254] Code: 05 01 3b 0d 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 89 f8 48 89 f7 48 89 d6 83 f8 01 77 2b b8 04 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 04 c3 0f 1f 00 48 8b 15 c9 3a 0d 00 f7 d8 64
[  196.081255] RSP: 002b:00007e3bc3ffe258 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
[  196.081257] RAX: ffffffffffffffda RBX: 00007e3bc3ffe3c0 RCX: 00007e3bc8e2d314
[  196.081258] RDX: 00007e3bc3ffe280 RSI: 00007e3bc3ffe280 RDI: 00007e3bbc1cdd70
[  196.081259] RBP: 00007e3bc3ffe330 R08: 0000000000000050 R09: 0000000000000029
[  196.081259] R10: 00007e3bbc1c5750 R11: 0000000000000246 R12: 00007e3bc3ffe388
[  196.081260] R13: 00007e3bc3ffe400 R14: 00007e3bc3ffe540 R15: 00007e3bc3ffe440
[  196.081263]  </TASK>
[  196.081263] ---[ end trace 0000000000000000 ]---

PBS Version:

Spoiler: PBS 4.2.0

proxmox-backup: 4.2.0 (running kernel: 7.0.2-4-pve)
proxmox-backup-server: 4.2.0-1 (running version: 4.2.0)
proxmox-kernel-helper: 9.0.4
pve-kernel-6.2: 8.0.5
proxmox-kernel-7.0: 7.0.2-4
proxmox-kernel-7.0.2-4-pve-signed: 7.0.2-4
proxmox-kernel-7.0.0-3-pve-signed: 7.0.0-3
proxmox-kernel-6.17.13-9-pve-signed: 6.17.13-9
proxmox-kernel-6.17: 6.17.13-9
proxmox-kernel-6.17.13-6-pve-signed: 6.17.13-6
proxmox-kernel-6.17.13-2-pve-signed: 6.17.13-2
proxmox-kernel-6.17.13-1-pve-signed: 6.17.13-1
proxmox-kernel-6.14: 6.14.11-9
proxmox-kernel-6.14.11-9-pve-signed: 6.14.11-9
proxmox-kernel-6.14.11-7-pve-signed: 6.14.11-7
proxmox-kernel-6.14.11-6-pve-signed: 6.14.11-6
proxmox-kernel-6.11.11-2-pve-signed: 6.11.11-2
proxmox-kernel-6.11: 6.11.11-2
proxmox-kernel-6.2.16-20-pve: 6.2.16-20
proxmox-kernel-6.2: 6.2.16-20
pve-kernel-6.2.16-3-pve: 6.2.16-3
ifupdown2: 3.3.0-1+pmx12
libjs-extjs: 7.0.0-5
proxmox-backup-docs: 4.2.0-1
proxmox-backup-client: 4.2.0-1
proxmox-mail-forward: 1.0.3
proxmox-mini-journalreader: 1.6
proxmox-offline-mirror-helper: not correctly installed
proxmox-widget-toolkit: 5.1.10
pve-xtermjs: 6.0.0-1
smartmontools: 7.5-pve2
zfsutils-linux: 2.4.2-pve1

Spoiler: System Details

CPU Intel(R) Core(TM) i5-14500
Memory 64GB
Board Supermicro X13SAE-F

Spoiler: zpool list

NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT
Storage 184T 182T 2.04T - - 58% 98% 1.00x ONLINE -
draid2:6d:8c:0s-0 131T 130T 1007G - - 60% 99.2% - ONLINE -
ata-TOSHIBA_MG09ACA18TE_53B0A10FFJDH 16.4T - - - - - - - ONLINE -
ata-TOSHIBA_MG09ACA18TE_53C0A0FYFJDH 16.4T - - - - - - - ONLINE -
ata-TOSHIBA_MG09ACA18TE_53C0A0HXFJDH 16.4T - - - - - - - ONLINE -
ata-TOSHIBA_MG09ACA18TE_53C0A0JBFJDH 16.4T - - - - - - - ONLINE -
ata-TOSHIBA_MG09ACA18TE_53C0A0K6FJDH 16.4T - - - - - - - ONLINE -
ata-TOSHIBA_MG09ACA18TE_53C0A0KAFJDH 16.4T - - - - - - - ONLINE -
ata-TOSHIBA_MG09ACA18TE_53C0A0KJFJDH 16.4T - - - - - - - ONLINE -
ata-TOSHIBA_MG09ACA18TE_Z2J0A2VNFJDH 16.4T - - - - - - - ONLINE -
draid2:2d:4c:0s-1 50.9T 50.5T 471G - - 56% 99.1% - ONLINE -
ata-WDC_WD141KFGX-68FH9N0_9MH3KXSK 12.7T - - - - - - - ONLINE -
ata-WDC_WD141KFGX-68FH9N0_9MH5DS5K 12.7T - - - - - - - ONLINE -
ata-WDC_WD141KFGX-68FH9N0_9MH5DWTK 12.7T - - - - - - - ONLINE -
ata-WDC_WD141KFGX-68FH9N0_9MH5HB9K 12.7T - - - - - - - ONLINE -
special - - - - - - - - - -
mirror-2 1.77T 1.17T 613G - - 74% 66.1% - ONLINE -
nvme-TS2TMTE712P-VS1_J574350050-part5 1.77T - - - - - - - ONLINE -
nvme-TS2TMTE712P-VS1_J574350179-part5 1.77T - - - - - - - ONLINE -
nvme-TS2TMTE712P-VS1_J574350180-part5 1.77T - - - - - - - ONLINE -
rpool 30.5G 23.2G 7.26G - - 75% 76% 1.00x ONLINE -
mirror-0 30.5G 23.2G 7.26G - - 75% 76.2% - ONLINE -
nvme1n1p3 31.0G - - - - - - - ONLINE -
nvme-TS2TMTE712P-VS1_J574350179_1-part3 31.0G - - - - - - - ONLINE -
nvme-TS2TMTE712P-VS1_J574350050-part3 31.0G - - - - - - - ONLINE -

 

[fabian]

could you also post "zfs version"? thanks!

 

[the_MiCrO]

zfs --version
zfs-2.4.2-pve1
zfs-kmod-2.4.2-pve1

 

[Chris]

Reported upstream: https://github.com/openzfs/zfs/issues/18556