Re: iwlwifi broken in post-linux-6.3.0 after April 26

[Bagas Sanjaya]

On Sat, Apr 29, 2023 at 01:22:03PM +0800, Jeff Chua wrote:
> Can't start wifi on latest linux git pull ... started happening 3 days ago ...

Are you testing mainline?

Also Cc'ing networking and iwlwifi people.

> 
> Is there a fix for this? Or shall I bisect? Wifi works by reverting
> back to released 6.3.0.

Certainly you should do bisection.

> 
> Thanks,
> Jeff
> 
> 
> # wpa_supplicant -Dnl80211 -c wpa.conf -iwlan0
> wlwifi 0000:00:14.3: Failed to send RFI config cmd -5
> iwlwifi 0000:00:14.3: LED command failed: -5
> iwlwifi 0000:00:14.3: Failed to send MAC_CONFIG_CMD (action:1): -5
> 
> # lsmod
> iwlmvm                352256  0
> mac80211              610304  1 iwlmvm
> iwlwifi               299008  1 iwlmvm
> cfg80211              417792  3 iwlmvm,iwlwifi,mac80211
> ax88179_178a           28672  0
> 
> # dmesg
> iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting 0x0.
> iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
> iwlwifi 0000:00:14.3: Transport status: 0x0000004B, valid: 6
> iwlwifi 0000:00:14.3: Loaded firmware version: 78.3bfdc55f.0
> so-a0-gf-a0-78.ucode
> iwlwifi 0000:00:14.3: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL
> iwlwifi 0000:00:14.3: 0x000002F0 | trm_hw_status0
> iwlwifi 0000:00:14.3: 0x00000000 | trm_hw_status1
> iwlwifi 0000:00:14.3: 0x004DB13C | branchlink2
> iwlwifi 0000:00:14.3: 0x004D0D3A | interruptlink1
> iwlwifi 0000:00:14.3: 0x004D0D3A | interruptlink2
> iwlwifi 0000:00:14.3: 0x000157FE | data1
> iwlwifi 0000:00:14.3: 0x00000010 | data2
> iwlwifi 0000:00:14.3: 0x00000000 | data3
> iwlwifi 0000:00:14.3: 0x00000000 | beacon time
> iwlwifi 0000:00:14.3: 0x0002A2E7 | tsf low
> iwlwifi 0000:00:14.3: 0x00000000 | tsf hi
> iwlwifi 0000:00:14.3: 0x00000000 | time gp1
> iwlwifi 0000:00:14.3: 0x0003E5C3 | time gp2
> iwlwifi 0000:00:14.3: 0x00000001 | uCode revision type
> iwlwifi 0000:00:14.3: 0x0000004E | uCode version major
> iwlwifi 0000:00:14.3: 0x3BFDC55F | uCode version minor
> iwlwifi 0000:00:14.3: 0x00000370 | hw version
> iwlwifi 0000:00:14.3: 0x00480002 | board version
> iwlwifi 0000:00:14.3: 0x80B0FF00 | hcmd
> iwlwifi 0000:00:14.3: 0x00020000 | isr0
> iwlwifi 0000:00:14.3: 0x20000000 | isr1
> iwlwifi 0000:00:14.3: 0x58F00002 | isr2
> iwlwifi 0000:00:14.3: 0x00C3000C | isr3
> iwlwifi 0000:00:14.3: 0x00000000 | isr4
> iwlwifi 0000:00:14.3: 0x00000000 | last cmd Id
> iwlwifi 0000:00:14.3: 0x000157FE | wait_event
> iwlwifi 0000:00:14.3: 0x00000000 | l2p_control
> iwlwifi 0000:00:14.3: 0x00000000 | l2p_duration
> iwlwifi 0000:00:14.3: 0x00000000 | l2p_mhvalid
> iwlwifi 0000:00:14.3: 0x00000000 | l2p_addr_match
> iwlwifi 0000:00:14.3: 0x00000018 | lmpm_pmg_sel
> iwlwifi 0000:00:14.3: 0x00000000 | timestamp
> iwlwifi 0000:00:14.3: 0x0000103C | flow_handler
> iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
> iwlwifi 0000:00:14.3: Transport status: 0x0000004B, valid: 7
> iwlwifi 0000:00:14.3: 0x201002FD | ADVANCED_SYSASSERT
> iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1
> iwlwifi 0000:00:14.3: 0x8046E300 | umac branchlink2
> iwlwifi 0000:00:14.3: 0xC008191A | umac interruptlink1
> iwlwifi 0000:00:14.3: 0x00000000 | umac interruptlink2
> iwlwifi 0000:00:14.3: 0x0017020B | umac data1
> iwlwifi 0000:00:14.3: 0x00000308 | umac data2
> iwlwifi 0000:00:14.3: 0x00000304 | umac data3
> iwlwifi 0000:00:14.3: 0x0000004E | umac major
> iwlwifi 0000:00:14.3: 0x3BFDC55F | umac minor
> iwlwifi 0000:00:14.3: 0x0003E5BE | frame pointer
> iwlwifi 0000:00:14.3: 0xC0886C24 | stack pointer
> iwlwifi 0000:00:14.3: 0x0017020B | last host cmd
> iwlwifi 0000:00:14.3: 0x00000000 | isr status reg
> iwlwifi 0000:00:14.3: IML/ROM dump:
> iwlwifi 0000:00:14.3: 0x00000B03 | IML/ROM error/state
> iwlwifi 0000:00:14.3: 0x000081CD | IML/ROM data1
> iwlwifi 0000:00:14.3: 0x00000080 | IML/ROM WFPM_AUTH_KEY_0
> iwlwifi 0000:00:14.3: Fseq Registers:
> iwlwifi 0000:00:14.3: 0x60000100 | FSEQ_ERROR_CODE
> iwlwifi 0000:00:14.3: 0x003E0003 | FSEQ_TOP_INIT_VERSION
> iwlwifi 0000:00:14.3: 0x00190003 | FSEQ_CNVIO_INIT_VERSION
> iwlwifi 0000:00:14.3: 0x0000A652 | FSEQ_OTP_VERSION
> iwlwifi 0000:00:14.3: 0x00000003 | FSEQ_TOP_CONTENT_VERSION
> iwlwifi 0000:00:14.3: 0x4552414E | FSEQ_ALIVE_TOKEN
> iwlwifi 0000:00:14.3: 0x00080400 | FSEQ_CNVI_ID
> iwlwifi 0000:00:14.3: 0x00400410 | FSEQ_CNVR_ID
> iwlwifi 0000:00:14.3: 0x00080400 | CNVI_AUX_MISC_CHIP
> iwlwifi 0000:00:14.3: 0x00400410 | CNVR_AUX_MISC_CHIP
> iwlwifi 0000:00:14.3: 0x00009061 | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
> iwlwifi 0000:00:14.3: 0x00000061 | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
> iwlwifi 0000:00:14.3: UMAC CURRENT PC: 0xd05c18
> iwlwifi 0000:00:14.3: LMAC1 CURRENT PC: 0xd05c1c
> iwlwifi 0000:00:14.3: Starting mac, retry will be triggered anyway
> iwlwifi 0000:00:14.3: FW error in SYNC CMD RFI_CONFIG_CMD
> CPU: 6 PID: 22193 Comm: wpa_supplicant Tainted: G     U             6.3.0 #1
> Hardware name: LENOVO 21CCS1GL00/21CCS1GL00, BIOS N3AET72W (1.37 ) 03/02/2023
> Call Trace:
>  <TASK>
>  dump_stack_lvl+0x33/0x50
>  iwl_trans_txq_send_hcmd+0x33a/0x380 [iwlwifi]
>  ? destroy_sched_domains_rcu+0x20/0x20
>  iwl_trans_send_cmd+0x55/0xe0 [iwlwifi]
>  iwl_mvm_send_cmd+0xd/0x30 [iwlmvm]
>  iwl_rfi_send_config_cmd+0x8f/0xf0 [iwlmvm]
>  iwl_mvm_up+0x8c9/0x980 [iwlmvm]
>  __iwl_mvm_mac_start+0x181/0x1e0 [iwlmvm]
>  iwl_mvm_mac_start+0x3f/0x100 [iwlmvm]
>  drv_start+0x2c/0x50 [mac80211]
>  ieee80211_do_open+0x2f2/0x6b0 [mac80211]
>  ieee80211_open+0x62/0x80 [mac80211]
>  __dev_open+0xca/0x170
>  __dev_change_flags+0x1a1/0x210
>  dev_change_flags+0x1c/0x60
>  devinet_ioctl+0x555/0x790
>  inet_ioctl+0x116/0x1b0
>  ? netdev_name_node_lookup_rcu+0x58/0x70
>  ? dev_get_by_name_rcu+0x5/0x10
>  ? netdev_name_node_lookup_rcu+0x58/0x70
>  ? dev_get_by_name_rcu+0x5/0x10
>  ? dev_ioctl+0x34d/0x4c0
>  sock_do_ioctl+0x3a/0xe0
>  sock_ioctl+0x15a/0x2b0
>  ? __sys_recvmsg+0x51/0xa0
>  __x64_sys_ioctl+0x7d/0xa0
>  do_syscall_64+0x35/0x80
>  entry_SYSCALL_64_after_hwframe+0x46/0xb0
> RIP: 0033:0x7efcee3a0448
> Code: 00 00 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24
> d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89
> c0 3d 00 f0 ff ff 77 0e 44 89 c0 c3 66 2e 0f 1f 84 00 00 00
> RSP: 002b:00007ffe400ff678 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
> RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007efcee3a0448
> RDX: 00007ffe400ff680 RSI: 0000000000008914 RDI: 0000000000000007
> RBP: 0000000000000007 R08: 0000000000000000 R09: 000000000078f4b0
> R10: e324395ae363498e R11: 0000000000000246 R12: 0000000000000000
> R13: 0000000000790a30 R14: 0000000000000002 R15: 0000000000000000
>  </TASK>

Thanks for the report. I'm adding it to regzbot:

#regzbot ^introduced v6.3..89d77f71f493a3
#regzbot title iwlwifi broken on 6.4 merge window

Grazie.

-- 
An old man doll... just what I always wanted! - Clara

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