Public bug reported:
[Hardware]
Machine: Lenovo ThinkPad P1 Gen 8 (CID 202510-37972)
CPU: Intel Core Ultra (Arrow Lake)
Wireless Adapter: Intel Wi-Fi 7 BE201 320MHz
PCI ID: 8086:7740
Subsystem ID: 8086:00e0
[Environment]
OS: Ubuntu 24.04 LTS (noble)
Suspect Kernel: linux-image-7.0.0-43-generic (7.0.0-43.43~24.04.1 from
noble-proposed)
Baseline Working Kernel: linux-image-6.17.0-1033-oem (6.17.0-1033.33 from
noble-updates)
[Symptoms]
On kernel 7.0.0-43, the iwlwifi driver fails during device probe while sending
PHY_CONFIGURATION_CMD, enters microcode software error recovery three times,
and aborts probe. No wireless interface (wlan0 or wlp0s20f3) is registered,
leaving the system with no Wi-Fi connectivity.
dmesg excerpts on 7.0.0-43-generic:
iwlwifi 0000:00:14.3: loaded firmware version 101.6e695a70.0
bz-b0-fm-c0-c101.ucode op_mode iwlmld
iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting 0x0.
iwlwifi 0000:00:14.3: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL
iwlwifi 0000:00:14.3: FW error in SYNC CMD PHY_CONFIGURATION_CMD
iwlwifi 0000:00:14.3: Failed to send PHY config command: -5
Call Trace:
dump_stack_lvl+0x76/0xa0
iwl_trans_pcie_send_hcmd_sync+0x340/0x390 [iwlwifi]
[A/B Live Verification]
On the identical physical DUT (lenovo-thinkpad-p1-gen-8-c37972):
1. Booted 7.0.0-43-generic:
network_device_info.py detect WIRELESS exits 1 ("No devices detected by
udev").
2. Booted 6.17.0-1033-oem:
iwlwifi loads bz-b0-fm-c0-101.ucode, registers wlp0s20f3, and
network_device_info.py detect WIRELESS exits 0 with Interface wlp0s20f3.
3. Rebooted back to 7.0.0-43-generic:
network_device_info.py detect WIRELESS exits 1 ("No devices detected by
udev").
[Cross-Machine Data]
On deb 416751:
- lenovo-thinkpad-p1-gen-8-c37972 (BE201, 8086:7740 / subsys 8086:00e0): fails
with bz-b0-fm-c0-c101.ucode PHY_CONFIGURATION_CMD error.
- lenovo-thinkpad-l14-gen-6-c36764 (BE201, 8086:7740 / subsys 8086:00e4):
passes with bz-b0-fm-c0-c101.ucode, indicating the firmware assert specifically
affects the 8086:00e0 subsystem.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
[Hardware]
Machine: Lenovo ThinkPad P1 Gen 8 (CID 202510-37972)
CPU: Intel Core Ultra (Arrow Lake)
Wireless Adapter: Intel Wi-Fi 7 BE201 320MHz
PCI ID: 8086:7740
Subsystem ID: 8086:00e0
[Environment]
OS: Ubuntu 24.04 LTS (noble)
Suspect Kernel: linux-image-7.0.0-43-generic (7.0.0-43.43~24.04.1 from
noble-proposed)
Baseline Working Kernel: linux-image-6.17.0-1033-oem (6.17.0-1033.33 from
noble-updates)
[Symptoms]
On kernel 7.0.0-43, the iwlwifi driver fails during device probe while
sending PHY_CONFIGURATION_CMD, enters microcode software error recovery three
times, and aborts probe. No wireless interface (wlan0 or wlp0s20f3) is
registered, leaving the system with no Wi-Fi connectivity.
dmesg excerpts on 7.0.0-43-generic:
iwlwifi 0000:00:14.3: loaded firmware version 101.6e695a70.0
bz-b0-fm-c0-c101.ucode op_mode iwlmld
iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting 0x0.
iwlwifi 0000:00:14.3: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL
iwlwifi 0000:00:14.3: FW error in SYNC CMD PHY_CONFIGURATION_CMD
iwlwifi 0000:00:14.3: Failed to send PHY config command: -5
Call Trace:
- dump_stack_lvl+0x76/0xa0
- iwl_trans_pcie_send_hcmd_sync+0x340/0x390 [iwlwifi]
+ dump_stack_lvl+0x76/0xa0
+ iwl_trans_pcie_send_hcmd_sync+0x340/0x390 [iwlwifi]
[A/B Live Verification]
On the identical physical DUT (lenovo-thinkpad-p1-gen-8-c37972):
1. Booted 7.0.0-43-generic:
- network_device_info.py detect WIRELESS exits 1 ("No devices detected by
udev").
+ network_device_info.py detect WIRELESS exits 1 ("No devices detected by
udev").
2. Booted 6.17.0-1033-oem:
- iwlwifi loads bz-b0-fm-c0-101.ucode, registers wlp0s20f3, and
network_device_info.py detect WIRELESS exits 0 with Interface wlp0s20f3.
+ iwlwifi loads bz-b0-fm-c0-101.ucode, registers wlp0s20f3, and
network_device_info.py detect WIRELESS exits 0 with Interface wlp0s20f3.
3. Rebooted back to 7.0.0-43-generic:
- network_device_info.py detect WIRELESS exits 1 ("No devices detected by
udev").
+ network_device_info.py detect WIRELESS exits 1 ("No devices detected by
udev").
[Cross-Machine Data]
On deb 416751:
- lenovo-thinkpad-p1-gen-8-c37972 (BE201, 8086:7740 / subsys 8086:00e0):
fails with bz-b0-fm-c0-c101.ucode PHY_CONFIGURATION_CMD error.
- - hp-elitebook-6-g1i-16-inch-notebook-ai-pc-x8wbsku4aba-c36238 (AX211,
8086:7740 / subsys 8086:0090): fails with bz-b0-gf-a0-100.ucode RT ucode error.
- lenovo-thinkpad-l14-gen-6-c36764 (BE201, 8086:7740 / subsys 8086:00e4):
passes with bz-b0-fm-c0-c101.ucode, indicating the firmware assert specifically
affects the 8086:00e0 subsystem.
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https://bugs.launchpad.net/bugs/2173379
Title:
Intel BE201 fails firmware initialization with PHY_CONFIGURATION_CMD
error on linux-oem-24.04d 7.0.0-43
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