Public bug reported:
After applied patches from bug 1933938 to enable AX201 on ADL platforms,
some of them may still fail to functioning stably due to fw error when
LARI_CONFIG_CHANGE command is sent. With CONFIG_IWLWIFI_DEBUG turned on,
following error appears:
iwlwifi 0000:00:14.3: iwl_mvm_lari_cfg sending LARI_CONFIG_CHANGE,
config_bitmap=0x8, oem_11ax_allow_bitmap=0xf
iwlwifi 0000:00:14.3: iwl_trans_txq_send_hcmd_sync Attempting to send sync
command UNKNOWN
iwlwifi 0000:00:14.3: iwl_trans_txq_send_hcmd_sync Setting HCMD_ACTIVE for
command UNKNOWN
Then begin FW error, hardware reset:
[ 12.469094] kernel: RIP: 0033:0x7f8de181612d
[ 12.469097] kernel: Code: 28 89 54 24 1c 48 89 74 24 10 89 7c 24 08 e8 ca ee
ff ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 2e 00 00 00 0f 05 <48>
3d 00 f0 ff ff 77 2f 44
89 c7 48 89 44 24 08 e8 fe ee ff ff 48
[ 12.469099] kernel: RSP: 002b:00007fff1de04900 EFLAGS: 00000293 ORIG_RAX:
000000000000002e
[ 12.469102] kernel: RAX: ffffffffffffffda RBX: 00005622f7660880 RCX:
00007f8de181612d
[ 12.469103] kernel: RDX: 0000000000000000 RSI: 00007fff1de04950 RDI:
000000000000000c
[ 12.469104] kernel: RBP: 00007fff1de04950 R08: 0000000000000000 R09:
0000000000000000
[ 12.469105] kernel: R10: 0000000000000001 R11: 0000000000000293 R12:
00005622f7660880
[ 12.469106] kernel: R13: 00007fff1de04b08 R14: 00007fff1de04afc R15:
0000000000000000
[ 13.170483] kernel: iwlwifi 0000:00:14.3: Microcode SW error detected.
Restarting 0x0.
[ 13.170580] kernel: iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
[ 13.170581] kernel: iwlwifi 0000:00:14.3: Transport status: 0x0000004B, valid:
6
[ 13.170582] kernel: iwlwifi 0000:00:14.3: Loaded firmware version:
64.97bbee0a.0 so-a0-hr-b0-64.ucode
[ 13.170583] kernel: iwlwifi 0000:00:14.3: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL
[ 13.170584] kernel: iwlwifi 0000:00:14.3: 0x000002F0 | trm_hw_status0
[ 13.170585] kernel: iwlwifi 0000:00:14.3: 0x00000000 | trm_hw_status1
[ 13.170585] kernel: iwlwifi 0000:00:14.3: 0x004D83E4 | branchlink2
[ 13.170586] kernel: iwlwifi 0000:00:14.3: 0x004CEB8A | interruptlink1
[ 13.170587] kernel: iwlwifi 0000:00:14.3: 0x004CEB8A | interruptlink2
[ 13.170587] kernel: iwlwifi 0000:00:14.3: 0x00014EBE | data1
[ 13.170588] kernel: iwlwifi 0000:00:14.3: 0x00000010 | data2
[ 13.170588] kernel: iwlwifi 0000:00:14.3: 0x00000000 | data3
...
[ 13.170740] kernel: iwlwifi 0000:00:14.3: 0x05B0905B |
CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
[ 13.170745] kernel: iwlwifi 0000:00:14.3: 0x0000025B |
CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
[ 13.170747] kernel: iwlwifi 0000:00:14.3: Firmware error during
reconfiguration - reprobe!
[ 13.170759] kernel: iwlwifi 0000:00:14.3: FW error in SYNC CMD UNKNOWN
[ 13.170762] kernel: iwlwifi 0000:00:14.3: LED command failed: -5
[ 13.170770] kernel: CPU: 10 PID: 900 Comm: wpa_supplicant Tainted: P W O
5.13.0-9009-oem #10+staging.2-Ubuntu
[ 13.170777] kernel: iwlwifi 0000:00:14.3: LED command failed: -5
[ 13.170782] kernel: Hardware name: Dell Inc. Inspiron 3910/, BIOS 0.10.25
07/23/2021
[ 13.170786] kernel: Call Trace:
[ 13.170794] kernel: dump_stack+0x7d/0x9c
[ 13.170799] kernel: iwl_trans_txq_send_hcmd+0x457/0x460 [iwlwifi]
[ 13.170816] kernel: ? wait_woken+0x80/0x80
[ 13.170819] kernel: iwl_trans_send_cmd+0x6a/0x100 [iwlwifi]
[ 13.170832] kernel: iwl_mvm_send_cmd+0x1f/0x50 [iwlmvm]
[ 13.170845] kernel: iwl_mvm_send_cmd_pdu+0x51/0x70 [iwlmvm]
[ 13.170856] kernel: iwl_mvm_up+0x7ab/0xcb0 [iwlmvm]
[ 13.170863] kernel: ? ieee80211_wake_queues_by_reason+0xad/0xd0 [mac80211]
[ 13.170900] kernel: __iwl_mvm_mac_start+0x2b/0x190 [iwlmvm]
[ 13.170908] kernel: iwl_mvm_mac_start+0x2a/0x40 [iwlmvm]
[ 13.170917] kernel: drv_start+0x43/0xd0 [mac80211]
[ 13.170934] kernel: ieee80211_do_open+0x394/0x810 [mac80211]
[ 13.170954] kernel: ieee80211_open+0x6c/0x90 [mac80211]
[ 13.170971] kernel: __dev_open+0xec/0x180
[ 13.170975] kernel: __dev_change_flags+0x188/0x1e0
[ 13.170977] kernel: dev_change_flags+0x26/0x60
[ 13.170979] kernel: devinet_ioctl+0x608/0x770
[ 13.170982] kernel: ? copy_msghdr_from_user+0x5c/0x90
[ 13.170985] kernel: inet_ioctl+0x190/0x1c0
[ 13.170987] kernel: ? netdev_name_node_lookup_rcu+0x6c/0x80
[ 13.170990] kernel: ? dev_get_by_name_rcu+0xe/0x20
[ 13.170992] kernel: ? dev_ioctl+0x28d/0x480
[ 13.170995] kernel: sock_do_ioctl+0x47/0x140
[ 13.170998] kernel: sock_ioctl+0x246/0x330
[ 13.170999] kernel: ? __sys_recvmsg+0x5f/0xb0
[ 13.171000] kernel: __x64_sys_ioctl+0x91/0xc0
[ 13.171003] kernel: do_syscall_64+0x40/0xb0
[ 13.171006] kernel: entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 13.171008] kernel: RIP: 0033:0x7f37b24bd50b
[ 13.171010] kernel: Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00
48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48>
3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.13 (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Impish)
Importance: Undecided
Status: Incomplete
** Affects: linux-oem-5.13 (Ubuntu Impish)
Importance: Undecided
Status: Invalid
** Tags: impish oem-priority originate-from-1938017 somerville
** Tags added: oem-priority originate-from-1938017 somerville
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Impish)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu Impish)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Invalid
** Changed in: linux-oem-5.13 (Ubuntu Impish)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1941665
Title:
Intel AX201 8086:7af0 subsys 8086:4070 hardware reset periodically: FW
error in SYNC CMD UNKNOWN
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