Using the default BIOS settings with Linux kernel 6.16.5-1-MANJARO (same for Fedora or Ubuntu Linux with kernel version 6.14), the dmesg output shows the below errors: journalctl | grep “ACPI BIOS Error” Sep 07 15:13:07 bee kernel: ACPI BIOS Error (bug): Could not resolve symbol [_SB.PCI0.SBRG.EC0], AE_NOT_FOUND (20250404/dswload2-162) Sep 07 15:23:23 bee kernel: ACPI BIOS Error (bug): Could not resolve symbol [_SB.PCI0.SBRG.EC0], AE_NOT_FOUND (20250404/dswload2-162) Sep 07 15:36:16 bee kernel: ACPI BIOS Error (bug): Could not resolve symbol [_SB.PCI0.SBRG.ECOK], AE_NOT_FOUND (20250404/psargs-332) Sep 07 15:36:16 bee kernel: ACPI BIOS Error (bug): Could not resolve symbol [_SB.PCI0.SBRG.EC0.GPO3], AE_NOT_FOUND (20250404/psargs-332) Could you please release a new BIOS version with the ACPI tables fixed for that great mini-PC?

mss Please provide a photo of the SN code located on the bottom of your machine and a screenshot of your machine’s BIOS main page so we can provide you with the correct link and tutorial.

Thank you for your prompt response! Here are the requested images: https://photos.app.goo.gl/3LmLGnevoHbkAvxs5 Kind regards, Marc

mss Thank you for your reply. Regarding your inquiry, I have consulted our R&D team and will keep you informed of any updates.

Some additional information: the errors show when trying to suspend the PC, issuing the systemctl suspend command. The suspension will fail, apparently due to the wireless NIC which is no longer working after issuing the above command. Rebooting or powering off the PC won’t help to get the wireless NIC working again. I have to cut the power from the PC for a couple of seconds. Only then everything returns back to normal. According to the kernel log, this must be related to the ACPI errors. I.e. due to the BIOS ACPI errors, the OS can’t put the wireless NIC into the proper sleep state and that’s why it won’t come back unless I cut the power from the PC. What is also interesting is that the moment I issue the systemctl suspend command, the fan starts to run at maximum speed. It’s easy to reproduce this on any recent Linux distribution. I tried Manjaro, Ubuntu and Fedora. They all behaved the same.

mss Thank you for the additional information. I have already informed our R&D team. They will conduct some tests. Thank you for your patience and for waiting.

mss Here is the link to the solution: https://url.bee-link.cn/LPoK

Thank you for the link. The linked document refers to how to enable Wake-on-LAN on the NIC. That’s unrelated to the BIOS problem that I’ve outlined in the first post. The kernel messages mean that the BIOS has a faulty/incomplete ACPI table. The fix will require a new BIOS version with an updated ACPI table. Please tell your R&D team to install Linux and then run the systemctl suspend command. You will see those errors in the dmesg output plus the following kernel panics, preventing the PC from going to sleep: Sep 10 21:54:17 bee kernel: Timeout waiting for hardware access (CSR_GP_CNTRL 0xffffffff) Sep 10 21:54:17 bee kernel: WARNING: CPU: 15 PID: 352 at drivers/net/wireless/intel/iwlwifi/pcie/trans.c:2448 __iwl_trans_pcie_grab_nic_access+0x15c/0x170 [> Sep 10 21:54:17 bee kernel: Modules linked in: snd_seq_dummy rfcomm snd_hrtimer snd_seq ccm cmac algif_hash algif_skcipher af_alg bnep vfat fat snd_usb_audi> Sep 10 21:54:17 bee kernel: snd_rn_pci_acp3x polyval_clmulni snd_pcm ghash_clmulni_intel cfg80211 sha512_ssse3 sp5100_tco snd_acp_config sha1_ssse3 snd_tim> Sep 10 21:54:17 bee kernel: CPU: 15 UID: 0 PID: 352 Comm: kworker/u97:6 Not tainted 6.16.5-1-MANJARO #1 PREEMPT(full) d3b2b3e5b7f9926d152eb98481f4a8a1d1b46> Sep 10 21:54:17 bee kernel: Hardware name: AZW SER9/SER9, BIOS SER9T402 05/09/2025 Sep 10 21:54:17 bee kernel: Workqueue: async async_run_entry_fn Sep 10 21:54:17 bee kernel: RIP: 0010:__iwl_trans_pcie_grab_nic_access+0x15c/0x170 [iwlwifi] Sep 10 21:54:17 bee kernel: Code: ff ff be 03 00 00 00 48 89 df e8 2f fd ff ff eb de 89 c6 48 c7 c7 30 6e 01 c2 89 44 24 04 c6 05 10 de be 00 01 e8 84 b5 37> Sep 10 21:54:17 bee kernel: RSP: 0018:ffffd4b14198bc98 EFLAGS: 00010246 Sep 10 21:54:17 bee kernel: RAX: 0000000000000000 RBX: ffff8e77b6180028 RCX: 0000000000000027 Sep 10 21:54:17 bee kernel: RDX: ffff8e85c1fdcfc8 RSI: 0000000000000001 RDI: ffff8e85c1fdcfc0 Sep 10 21:54:17 bee kernel: RBP: 0000000000000001 R08: 0000000000000000 R09: 00000000ffffdfff Sep 10 21:54:17 bee kernel: R10: ffffffff96588880 R11: ffffd4b14198ba68 R12: 0000000000000000 Sep 10 21:54:17 bee kernel: R13: 0000000000000000 R14: 0000000000000008 R15: 0000000000000011 Sep 10 21:54:17 bee kernel: FS: 0000000000000000(0000) GS:ffff8e862badb000(0000) knlGS:0000000000000000 Sep 10 21:54:17 bee kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Sep 10 21:54:17 bee kernel: CR2: 00007fbb8fcb83c0 CR3: 00000009a3224000 CR4: 0000000000f50ef0 Sep 10 21:54:17 bee kernel: PKRU: 55555554 Sep 10 21:54:17 bee kernel: Call Trace: Sep 10 21:54:17 bee kernel: <TASK> Sep 10 21:54:17 bee kernel: iwl_trans_pcie_grab_nic_access+0x1f/0x50 [iwlwifi 7df180072dd378e074c6c83e27dbdfa6238a0798] Sep 10 21:54:17 bee kernel: iwl_write_prph_delay+0x1f/0x60 [iwlwifi 7df180072dd378e074c6c83e27dbdfa6238a0798] Sep 10 21:54:17 bee kernel: iwl_pcie_rx_stop+0x2f/0xc0 [iwlwifi 7df180072dd378e074c6c83e27dbdfa6238a0798] Sep 10 21:54:17 bee kernel: iwl_trans_pcie_gen2_stop_device+0x39b/0x3c0 [iwlwifi 7df180072dd378e074c6c83e27dbdfa6238a0798] Sep 10 21:54:17 bee kernel: iwl_trans_stop_device+0x3e/0xd0 [iwlwifi 7df180072dd378e074c6c83e27dbdfa6238a0798] Sep 10 21:54:17 bee kernel: ? iwl_fw_dbg_stop_sync+0x25/0x50 [iwlwifi 7df180072dd378e074c6c83e27dbdfa6238a0798] Sep 10 21:54:17 bee kernel: iwl_op_mode_mvm_device_powered_off+0x64/0x90 [iwlmvm 09b327753ce6e8c51d7638b68bba32c8e173ee8b] Sep 10 21:54:17 bee kernel: _iwl_pci_resume.isra.0+0x9c/0x1b0 [iwlwifi 7df180072dd378e074c6c83e27dbdfa6238a0798] Sep 10 21:54:17 bee kernel: ? __pfx_pci_pm_resume+0x10/0x10 Sep 10 21:54:17 bee kernel: iwl_pci_resume+0x10/0x20 [iwlwifi 7df180072dd378e074c6c83e27dbdfa6238a0798] Sep 10 21:54:17 bee kernel: dpm_run_callback+0x47/0x150 Sep 10 21:54:17 bee kernel: device_resume+0x183/0x280 Sep 10 21:54:17 bee kernel: async_resume+0x21/0x30 Sep 10 21:54:17 bee kernel: async_run_entry_fn+0x33/0x140 Sep 10 21:54:17 bee kernel: process_one_work+0x190/0x350 Sep 10 21:54:17 bee kernel: worker_thread+0x2d7/0x410 Sep 10 21:54:17 bee kernel: ? __pfx_worker_thread+0x10/0x10 Sep 10 21:54:17 bee kernel: kthread+0xf9/0x240 Sep 10 21:54:17 bee kernel: ? __pfx_kthread+0x10/0x10 Sep 10 21:54:17 bee kernel: ? __pfx_kthread+0x10/0x10 Sep 10 21:54:17 bee kernel: ret_from_fork+0x197/0x1d0 Sep 10 21:54:17 bee kernel: ? __pfx_kthread+0x10/0x10 Sep 10 21:54:17 bee kernel: ret_from_fork_asm+0x1a/0x30 Sep 10 21:54:17 bee kernel: </TASK> Sep 10 21:54:17 bee kernel: ---[ end trace 0000000000000000 ]--- Sep 10 21:54:17 bee kernel: ------------[ cut here ]------------ Sep 10 21:54:17 bee kernel: Hardware became unavailable upon resume. This could be a software issue prior to suspend or a hardware issue. Sep 10 21:54:17 bee kernel: WARNING: CPU: 2 PID: 352 at net/mac80211/util.c:1818 ieee80211_reconfig+0x9a/0x15e0 [mac80211] Sep 10 21:54:17 bee kernel: Modules linked in: snd_seq_dummy rfcomm snd_hrtimer snd_seq ccm cmac algif_hash algif_skcipher af_alg bnep vfat fat snd_usb_audio mousedev joydev snd_usbmidi_li> Sep 10 21:54:17 bee kernel: snd_rn_pci_acp3x polyval_clmulni snd_pcm ghash_clmulni_intel cfg80211 sha512_ssse3 sp5100_tco snd_acp_config sha1_ssse3 snd_timer libphy psmouse amdxdna thunde> Sep 10 21:54:17 bee kernel: CPU: 2 UID: 0 PID: 352 Comm: kworker/u97:6 Tainted: G W 6.16.5-1-MANJARO #1 PREEMPT(full) d3b2b3e5b7f9926d152eb98481f4a8a1d1b46a27 Sep 10 21:54:17 bee kernel: Tainted: [W]=WARN Sep 10 21:54:17 bee kernel: Hardware name: AZW SER9/SER9, BIOS SER9T402 05/09/2025 Sep 10 21:54:17 bee kernel: Workqueue: async async_run_entry_fn Sep 10 21:54:17 bee kernel: RIP: 0010:ieee80211_reconfig+0x9a/0x15e0 [mac80211] Sep 10 21:54:17 bee kernel: Code: 03 00 00 41 c6 87 ad 05 00 00 00 4c 89 ff e8 3d 56 fb ff 41 89 c4 85 c0 0f 84 18 03 00 00 48 c7 c7 60 21 2a c2 e8 26 27 5e d1 <0f> 0b eb 31 84 c0 0f 85 5f> Sep 10 21:54:17 bee kernel: RSP: 0018:ffffd4b14198bcb0 EFLAGS: 00010246 Sep 10 21:54:17 bee kernel: RAX: 0000000000000000 RBX: ffff8e77ba430538 RCX: 0000000000000027 Sep 10 21:54:17 bee kernel: RDX: ffff8e85c1c9cfc8 RSI: 0000000000000001 RDI: ffff8e85c1c9cfc0 Sep 10 21:54:17 bee kernel: RBP: 0000000000000001 R08: 0000000000000000 R09: 00000000ffffdfff Sep 10 21:54:17 bee kernel: R10: ffffffff96588880 R11: ffffd4b14198ba80 R12: 00000000ffffffff Sep 10 21:54:17 bee kernel: R13: 0000000000000010 R14: 0000000000000000 R15: ffff8e77ba430900 Sep 10 21:54:17 bee kernel: FS: 0000000000000000(0000) GS:ffff8e862b79b000(0000) knlGS:0000000000000000 Sep 10 21:54:17 bee kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Sep 10 21:54:17 bee kernel: CR2: 00007f0b781da000 CR3: 00000009a3224000 CR4: 0000000000f50ef0 Sep 10 21:54:17 bee kernel: PKRU: 55555554 Sep 10 21:54:17 bee kernel: Call Trace: Sep 10 21:54:17 bee kernel: <TASK> Sep 10 21:54:17 bee kernel: ? __queue_work+0xfe/0x430 Sep 10 21:54:17 bee kernel: ? queue_work_node+0xf9/0x110 Sep 10 21:54:17 bee kernel: ? __slab_free+0xe4/0x310 Sep 10 21:54:17 bee kernel: ? __async_schedule_node_domain+0xdd/0x140 Sep 10 21:54:17 bee kernel: wiphy_resume+0x82/0x1b0 [cfg80211 9c12353f8426a54e35f6db9b44bd6f08177d4ffd] Sep 10 21:54:17 bee kernel: ? __pfx_wiphy_resume+0x10/0x10 [cfg80211 9c12353f8426a54e35f6db9b44bd6f08177d4ffd] Sep 10 21:54:17 bee kernel: dpm_run_callback+0x47/0x150 Sep 10 21:54:17 bee kernel: device_resume+0x183/0x280 Sep 10 21:54:17 bee kernel: async_resume+0x21/0x30 Sep 10 21:54:17 bee kernel: async_run_entry_fn+0x33/0x140 Sep 10 21:54:17 bee kernel: process_one_work+0x190/0x350 Sep 10 21:54:17 bee kernel: worker_thread+0x2d7/0x410 Sep 10 21:54:17 bee kernel: ? __pfx_worker_thread+0x10/0x10 Sep 10 21:54:17 bee kernel: kthread+0xf9/0x240 Sep 10 21:54:17 bee kernel: ? __pfx_kthread+0x10/0x10 Sep 10 21:54:17 bee kernel: ? __pfx_kthread+0x10/0x10 Sep 10 21:54:17 bee kernel: ret_from_fork+0x197/0x1d0 Sep 10 21:54:17 bee kernel: ? __pfx_kthread+0x10/0x10 Sep 10 21:54:17 bee kernel: ret_from_fork_asm+0x1a/0x30 Sep 10 21:54:17 bee kernel: </TASK> Sep 10 21:54:17 bee kernel: ---[ end trace 0000000000000000 ]--- Sep 10 21:54:17 bee kernel: ------------[ cut here ]------------ Sep 10 21:54:17 bee kernel: WARNING: CPU: 2 PID: 352 at net/mac80211/driver-ops.c:41 drv_stop+0xfd/0x110 [mac80211] Sep 10 21:54:17 bee kernel: Modules linked in: snd_seq_dummy rfcomm snd_hrtimer snd_seq ccm cmac algif_hash algif_skcipher af_alg bnep vfat fat snd_usb_audio mousedev joydev snd_usbmidi_li> Sep 10 21:54:17 bee kernel: snd_rn_pci_acp3x polyval_clmulni snd_pcm ghash_clmulni_intel cfg80211 sha512_ssse3 sp5100_tco snd_acp_config sha1_ssse3 snd_timer libphy psmouse amdxdna thunde> Sep 10 21:54:17 bee kernel: CPU: 2 UID: 0 PID: 352 Comm: kworker/u97:6 Tainted: G W 6.16.5-1-MANJARO #1 PREEMPT(full) d3b2b3e5b7f9926d152eb98481f4a8a1d1b46a27 Sep 10 21:54:17 bee kernel: Tainted: [W]=WARN Sep 10 21:54:17 bee kernel: Hardware name: AZW SER9/SER9, BIOS SER9T402 05/09/2025 Sep 10 21:54:17 bee kernel: Workqueue: async async_run_entry_fn Sep 10 21:54:17 bee kernel: RIP: 0010:drv_stop+0xfd/0x110 [mac80211] Sep 10 21:54:17 bee kernel: Code: 48 85 c0 74 0e 48 8b 78 08 89 ea 48 89 de e8 6a 67 05 00 65 ff 0d f3 d1 5d d4 0f 85 38 ff ff ff e8 a8 e8 57 d1 e9 2e ff ff ff <0f> 0b 5b 5d c3 cc cc cc cc> Sep 10 21:54:17 bee kernel: RSP: 0018:ffffd4b14198bbe8 EFLAGS: 00010246 Sep 10 21:54:17 bee kernel: RAX: 0000000000000000 RBX: ffff8e77ba430900 RCX: 0000000000000000 Sep 10 21:54:17 bee kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8e77ba430900 Sep 10 21:54:17 bee kernel: RBP: 0000000000000000 R08: 0000005deb37c501 R09: ffff8e77ba61a3b0 Sep 10 21:54:17 bee kernel: R10: ffff8e77ba431210 R11: 0000000000000246 R12: ffff8e77ba430900 Sep 10 21:54:17 bee kernel: R13: 0000000000000000 R14: ffffd4b14198bd48 R15: ffffd4b14198bc30 Sep 10 21:54:17 bee kernel: FS: 0000000000000000(0000) GS:ffff8e862b79b000(0000) knlGS:0000000000000000 Sep 10 21:54:17 bee kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Sep 10 21:54:17 bee kernel: CR2: 00007f0b781da000 CR3: 00000009a3224000 CR4: 0000000000f50ef0 Sep 10 21:54:17 bee kernel: PKRU: 55555554 Sep 10 21:54:17 bee kernel: Call Trace: Sep 10 21:54:17 bee kernel: <TASK> Sep 10 21:54:17 bee kernel: ieee80211_do_stop+0x650/0x980 [mac80211 322d1418d176657aaba1b88464f946f8c76e733b] Sep 10 21:54:17 bee kernel: ? synchronize_rcu_expedited+0x1df/0x220 Sep 10 21:54:17 bee kernel: ieee80211_stop+0x62/0xe0 [mac80211 322d1418d176657aaba1b88464f946f8c76e733b] Sep 10 21:54:17 bee kernel: __dev_close_many+0xa8/0x220 Sep 10 21:54:17 bee kernel: dev_close_many+0xdc/0x1c0 Sep 10 21:54:17 bee kernel: netif_close+0x68/0xa0 Sep 10 21:54:17 bee kernel: dev_close+0x2a/0x80 Sep 10 21:54:17 bee kernel: cfg80211_shutdown_all_interfaces+0x46/0xf0 [cfg80211 9c12353f8426a54e35f6db9b44bd6f08177d4ffd] Sep 10 21:54:17 bee kernel: wiphy_resume+0xc1/0x1b0 [cfg80211 9c12353f8426a54e35f6db9b44bd6f08177d4ffd] Sep 10 21:54:17 bee kernel: ? __pfx_wiphy_resume+0x10/0x10 [cfg80211 9c12353f8426a54e35f6db9b44bd6f08177d4ffd] Sep 10 21:54:17 bee kernel: dpm_run_callback+0x47/0x150 Sep 10 21:54:17 bee kernel: device_resume+0x183/0x280 Sep 10 21:54:17 bee kernel: async_resume+0x21/0x30 Sep 10 21:54:17 bee kernel: async_run_entry_fn+0x33/0x140 Sep 10 21:54:17 bee kernel: process_one_work+0x190/0x350 Sep 10 21:54:17 bee kernel: worker_thread+0x2d7/0x410 Sep 10 21:54:17 bee kernel: ? __pfx_worker_thread+0x10/0x10 Sep 10 21:54:17 bee kernel: kthread+0xf9/0x240 Sep 10 21:54:17 bee kernel: ? __pfx_kthread+0x10/0x10 Sep 10 21:54:17 bee kernel: ? __pfx_kthread+0x10/0x10 Sep 10 21:54:17 bee kernel: ret_from_fork+0x197/0x1d0 Sep 10 21:54:17 bee kernel: ? __pfx_kthread+0x10/0x10 Sep 10 21:54:17 bee kernel: ret_from_fork_asm+0x1a/0x30 Sep 10 21:54:17 bee kernel: </TASK> Sep 10 21:54:17 bee kernel: ---[ end trace 0000000000000000 ]---

mss Hi there Please try some solutions here : 1. Disconnect built-in Speaker , Or uninstall the speaker drivers. See if you can make it into sleep. 2. Please go to BIOS advanced page >ACPI settings > enable ACPI auto configuration.

I’ve tried both and it did not help. This is a bug in the BIOS ACPI table, please ask your R&D Team to fix the ACPI table. They will be able to reproduce the problem on any recent Linux distribution. Please confirm that the R&D Team can reproduce this issue.

mss Hello there, We have already fed back your machine to our R&D personnel. We believe that the corresponding BIOS will soon be available to solve your machine’s malfunction issue. Please wait patiently. Have a nice day!

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