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IDProjectCategoryView StatusLast Update
0017472CentOS-8kernel-pluspublic2020-06-17 07:50
Reporterg8y2n5 
PriorityurgentSeverityblockReproducibilityalways
Status newResolutionopen 
PlatformCentosOSCentOSOS Version8.2.2004
Product Version 
Target VersionFixed in Version 
Summary0017472: High cpu usage because iwlwifi fails repeatedly after update to 8.2
DescriptionI updated my centos 8.1 to 8.2 and i get high cpu usage.
High cpu usage happens because iwlwifi fails repeateldy.

My dmesg is

[63715.827859] iwlwifi 0000:00:14.3: Found debug destination: EXTERNAL_DRAM
[63715.827861] iwlwifi 0000:00:14.3: Found debug configuration: 0
[63715.828298] iwlwifi 0000:00:14.3: loaded firmware version 46.6bf1df06.0 op_mode iwlmvm
[63715.828318] iwlwifi 0000:00:14.3: Detected Intel(R) Dual Band Wireless AC 9462, REV=0x318
[63715.835555] iwlwifi 0000:00:14.3: Applying debug destination EXTERNAL_DRAM
[63715.835686] iwlwifi 0000:00:14.3: Allocated 0x00400000 bytes for firmware monitor.
[63715.875963] iwlwifi 0000:00:14.3: base HW address: a0:a4:c5:dd:0c:52
[63715.919343] ieee80211 phy653: Selected rate control algorithm 'iwl-mvm-rs'
[63715.919835] thermal thermal_zone8: failed to read out thermal zone (-61)
[63715.945045] iwlwifi 0000:00:14.3 wlo1: renamed from wlan0
[63715.959343] IPv6: ADDRCONF(NETDEV_UP): wlo1: link is not ready
[63719.451811] iwlwifi 0000:00:14.3: Applying debug destination EXTERNAL_DRAM
[63719.542981] iwlwifi 0000:00:14.3: Applying debug destination EXTERNAL_DRAM
[63719.608041] iwlwifi 0000:00:14.3: FW already configured (0) - re-configuring
[63719.617436] iwlwifi 0000:00:14.3: Conflict between TLV & NVM regarding enabling LAR (TLV = enabled NVM =disabled)
[63719.817442] iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting 0x0.
[63719.817523] iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
[63719.817528] iwlwifi 0000:00:14.3: Status: 0x00000040, count: 6
[63719.817532] iwlwifi 0000:00:14.3: Loaded firmware version: 46.6bf1df06.0
[63719.817537] iwlwifi 0000:00:14.3: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL
[63719.817541] iwlwifi 0000:00:14.3: 0x00A022F1 | trm_hw_status0
[63719.817545] iwlwifi 0000:00:14.3: 0x00000000 | trm_hw_status1
[63719.817548] iwlwifi 0000:00:14.3: 0x004882DA | branchlink2
[63719.817552] iwlwifi 0000:00:14.3: 0x0047932A | interruptlink1
[63719.817555] iwlwifi 0000:00:14.3: 0x0000B0D0 | interruptlink2
[63719.817558] iwlwifi 0000:00:14.3: 0x0001A83E | data1
[63719.817562] iwlwifi 0000:00:14.3: 0x00001000 | data2
[63719.817565] iwlwifi 0000:00:14.3: 0xF0000008 | data3
[63719.817568] iwlwifi 0000:00:14.3: 0x00000000 | beacon time
[63719.817572] iwlwifi 0000:00:14.3: 0x00039640 | tsf low
[63719.817575] iwlwifi 0000:00:14.3: 0x00000000 | tsf hi
[63719.817578] iwlwifi 0000:00:14.3: 0x00000000 | time gp1
[63719.817582] iwlwifi 0000:00:14.3: 0x00039641 | time gp2
[63719.817585] iwlwifi 0000:00:14.3: 0x00000001 | uCode revision type
[63719.817589] iwlwifi 0000:00:14.3: 0x0000002E | uCode version major
[63719.817592] iwlwifi 0000:00:14.3: 0x6BF1DF06 | uCode version minor
[63719.817595] iwlwifi 0000:00:14.3: 0x00000312 | hw version
[63719.817599] iwlwifi 0000:00:14.3: 0x18C89008 | board version
[63719.817602] iwlwifi 0000:00:14.3: 0x001E0177 | hcmd
[63719.817605] iwlwifi 0000:00:14.3: 0x00122080 | isr0
[63719.817609] iwlwifi 0000:00:14.3: 0x00000000 | isr1
[63719.817612] iwlwifi 0000:00:14.3: 0x08001802 | isr2
[63719.817615] iwlwifi 0000:00:14.3: 0x404001C0 | isr3
[63719.817618] iwlwifi 0000:00:14.3: 0x00000000 | isr4
[63719.817621] iwlwifi 0000:00:14.3: 0x001E0177 | last cmd Id
[63719.817625] iwlwifi 0000:00:14.3: 0x0001A83E | wait_event
[63719.817628] iwlwifi 0000:00:14.3: 0x00000000 | l2p_control
[63719.817631] iwlwifi 0000:00:14.3: 0x00000820 | l2p_duration
[63719.817635] iwlwifi 0000:00:14.3: 0x00000000 | l2p_mhvalid
[63719.817638] iwlwifi 0000:00:14.3: 0x00000000 | l2p_addr_match
[63719.817641] iwlwifi 0000:00:14.3: 0x0000000D | lmpm_pmg_sel
[63719.817645] iwlwifi 0000:00:14.3: 0x08081425 | timestamp
[63719.817648] iwlwifi 0000:00:14.3: 0x0000183C | flow_handler
[63719.817685] iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
[63719.817688] iwlwifi 0000:00:14.3: Status: 0x00000040, count: 7
[63719.817692] iwlwifi 0000:00:14.3: 0x20000034 | NMI_INTERRUPT_WDG
[63719.817696] iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1
[63719.817699] iwlwifi 0000:00:14.3: 0xC008885E | umac branchlink2
[63719.817702] iwlwifi 0000:00:14.3: 0x80454D04 | umac interruptlink1
[63719.817706] iwlwifi 0000:00:14.3: 0xC00842AC | umac interruptlink2
[63719.817709] iwlwifi 0000:00:14.3: 0x00000400 | umac data1
[63719.817712] iwlwifi 0000:00:14.3: 0xC00842AC | umac data2
[63719.817715] iwlwifi 0000:00:14.3: 0xDEADBEEF | umac data3
[63719.817719] iwlwifi 0000:00:14.3: 0x0000002E | umac major
[63719.817722] iwlwifi 0000:00:14.3: 0x6BF1DF06 | umac minor
[63719.817725] iwlwifi 0000:00:14.3: 0x00039627 | frame pointer
[63719.817758] iwlwifi 0000:00:14.3: 0xC0886B5C | stack pointer
[63719.817762] iwlwifi 0000:00:14.3: 0x001F010C | last host cmd
[63719.817765] iwlwifi 0000:00:14.3: 0x00000000 | isr status reg
[63719.817784] iwlwifi 0000:00:14.3: Fseq Registers:
[63719.817793] iwlwifi 0000:00:14.3: 0x5CAAF71A | FSEQ_ERROR_CODE
[63719.817802] iwlwifi 0000:00:14.3: 0x00000000 | FSEQ_TOP_INIT_VERSION
[63719.817811] iwlwifi 0000:00:14.3: 0x48E767D9 | FSEQ_CNVIO_INIT_VERSION
[63719.817820] iwlwifi 0000:00:14.3: 0x0000A384 | FSEQ_OTP_VERSION
[63719.817829] iwlwifi 0000:00:14.3: 0xBDFB20C4 | FSEQ_TOP_CONTENT_VERSION
[63719.817838] iwlwifi 0000:00:14.3: 0xC098A1DF | FSEQ_ALIVE_TOKEN
[63719.817847] iwlwifi 0000:00:14.3: 0x247AF0C2 | FSEQ_CNVI_ID
[63719.817856] iwlwifi 0000:00:14.3: 0x3AE78660 | FSEQ_CNVR_ID
[63719.817874] iwlwifi 0000:00:14.3: 0x01000100 | CNVI_AUX_MISC_CHIP
[63719.817886] iwlwifi 0000:00:14.3: 0x00000201 | CNVR_AUX_MISC_CHIP
[63719.817897] iwlwifi 0000:00:14.3: 0x0000485B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
[63719.817938] iwlwifi 0000:00:14.3: 0xA5A5A5A2 | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
[63719.817949] iwlwifi 0000:00:14.3: Collecting data: trigger 2 fired.
[63719.817956] ieee80211 phy653: Hardware restart was requested
[63719.818015] iwlwifi 0000:00:14.3: iwlwifi transaction failed, dumping registers
[63719.818023] iwlwifi 0000:00:14.3: iwlwifi device config registers:
[63719.818563] iwlwifi 0000:00:14.3: 00000000: 9df08086 00100406 02800030 00800010 a131c004 00000000 00000000 00000000
[63719.818570] iwlwifi 0000:00:14.3: 00000020: 00000000 00000000 00000000 42a48086 00000000 000000c8 00000000 0000010b
[63719.818576] iwlwifi 0000:00:14.3: 00000040: 00928010 10000ec0 00100c10 00000000 00000000 00000000 00000000 00000000
[63719.818582] iwlwifi 0000:00:14.3: 00000060: 00000000 00080812 00000405 00000000 00000000 00000000 00000000 00000000
[63719.818588] iwlwifi 0000:00:14.3: 00000080: 800f0011 00002000 00003000 00000000 00000000 00000000 00000000 00000000
[63719.818593] iwlwifi 0000:00:14.3: 000000a0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[63719.818599] iwlwifi 0000:00:14.3: 000000c0: 00000000 00000000 c823d001 0d000008 00804005 00000000 00000000 00000000
[63719.818604] iwlwifi 0000:00:14.3: 000000e0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[63719.818611] iwlwifi 0000:00:14.3: 00000100: 14c00000 ff000000 000000ff 00462031 00000000 00002000 00000000 00000000
[63719.818616] iwlwifi 0000:00:14.3: 00000120: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[63719.818622] iwlwifi 0000:00:14.3: 00000140: 00000000 00000000 00000000 16410018 00000000 0001001e 00481e1f 00000000
[63719.818626] iwlwifi 0000:00:14.3: iwlwifi device memory mapped registers:
[63719.818653] iwlwifi 0000:00:14.3: 00000000: 18c89008 00000040 00000000 00000000 00000000 00000000 00000000 00000000
[63719.818659] iwlwifi 0000:00:14.3: 00000020: 00000000 0c040005 00000312 d55555d5 d55555d5 d55555d5 80008040 041f0040
[63719.818675] iwlwifi 0000:00:14.3: FW error in SYNC CMD SCAN_CFG_CMD
[63719.818681] CPU: 1 PID: 1437 Comm: NetworkManager Kdump: loaded Not tainted 4.18.0-193.6.3.el8_2.x86_64 #1
[63719.818683] Hardware name: Dell Inc. Vostro 5481/0PK27Y, BIOS 1.0.0 09/05/2018
[63719.818685] Call Trace:
[63719.818697] dump_stack+0x5c/0x80
[63719.818718] iwl_trans_pcie_send_hcmd+0x370/0x380 [iwlwifi]
[63719.818727] ? finish_wait+0x80/0x80
[63719.818745] iwl_trans_send_cmd+0x5b/0xc0 [iwlwifi]
[63719.818765] iwl_mvm_send_cmd+0x1b/0x40 [iwlmvm]
[63719.818786] iwl_mvm_legacy_config_scan+0x274/0x440 [iwlmvm]
[63719.818808] iwl_mvm_config_scan+0xec/0x100 [iwlmvm]
[63719.818823] iwl_mvm_up+0x89a/0xa60 [iwlmvm]
[63719.818839] __iwl_mvm_mac_start+0x26/0x1d0 [iwlmvm]
[63719.818854] iwl_mvm_mac_start+0x23/0x40 [iwlmvm]
[63719.818891] drv_start+0x43/0x100 [mac80211]
[63719.818932] ieee80211_do_open+0x251/0x900 [mac80211]
[63719.818939] __dev_open+0xcd/0x160
[63719.818944] __dev_change_flags+0x1ad/0x220
[63719.818949] dev_change_flags+0x21/0x60
[63719.818954] do_setlink+0x314/0xe90
[63719.818960] ? __nla_validate_parse+0x51/0x840
[63719.818966] ? down_trylock+0x25/0x30
[63719.819050] ? xfs_buf_trylock+0x1a/0xd0 [xfs]
[63719.819056] ? cpumask_next+0x17/0x20
[63719.819062] ? __snmp6_fill_stats64.isra.56+0x6b/0x110
[63719.819069] ? __nla_validate_parse+0x51/0x840
[63719.819076] __rtnl_newlink+0x53d/0x890
[63719.819081] ? __nla_reserve+0x38/0x50
[63719.819087] ? __switch_to_asm+0x41/0x70
[63719.819091] ? __switch_to_asm+0x35/0x70
[63719.819094] ? __switch_to_asm+0x41/0x70
[63719.819098] ? __switch_to_asm+0x35/0x70
[63719.819101] ? __switch_to_asm+0x41/0x70
[63719.819105] ? __switch_to_asm+0x35/0x70
[63719.819108] ? __switch_to_asm+0x41/0x70
[63719.819112] ? __switch_to_asm+0x35/0x70
[63719.819115] ? __switch_to_asm+0x41/0x70
[63719.819118] ? __switch_to_asm+0x35/0x70
[63719.819121] ? __switch_to_asm+0x41/0x70
[63719.819125] ? __switch_to_asm+0x35/0x70
[63719.819128] ? __switch_to_asm+0x41/0x70
[63719.819131] ? __switch_to_asm+0x35/0x70
[63719.819135] ? __switch_to_asm+0x41/0x70
[63719.819138] ? __switch_to_asm+0x35/0x70
[63719.819144] ? context_struct_compute_av+0x356/0x440
[63719.819156] ? _cond_resched+0x15/0x30
[63719.819161] ? kmem_cache_alloc_trace+0x140/0x1c0
[63719.819166] rtnl_newlink+0x43/0x60
[63719.819171] rtnetlink_rcv_msg+0x200/0x2f0
[63719.819176] ? rtnl_calcit.isra.35+0x110/0x110
[63719.819184] netlink_rcv_skb+0x4c/0x120
[63719.819190] netlink_unicast+0x19e/0x260
[63719.819197] netlink_sendmsg+0x204/0x3d0
[63719.819203] sock_sendmsg+0x4c/0x50
[63719.819208] ___sys_sendmsg+0x29f/0x300
[63719.819214] ? try_to_wake_up+0x54/0x570
[63719.819219] ? touch_atime+0x33/0xe0
[63719.819223] ? wake_up_q+0x70/0x70
[63719.819230] ? __wake_up_common+0x7a/0x190
[63719.819237] __sys_sendmsg+0x57/0xa0
[63719.819245] do_syscall_64+0x5b/0x1a0
[63719.819250] entry_SYSCALL_64_after_hwframe+0x65/0xca
[63719.819254] RIP: 0033:0x7f21aecdeb07
[63719.819260] Code: c3 66 90 41 54 41 89 d4 55 48 89 f5 53 89 fb 48 83 ec 10 e8 eb ec ff ff 44 89 e2 48 89 ee 89 df 41 89 c0 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 48 89 44 24 08 e8 24 ed ff ff 48
[63719.819262] RSP: 002b:00007fffaa692240 EFLAGS: 00000293 ORIG_RAX: 000000000000002e
[63719.819267] RAX: ffffffffffffffda RBX: 000000000000000e RCX: 00007f21aecdeb07
[63719.819269] RDX: 0000000000000000 RSI: 00007fffaa692290 RDI: 000000000000000e
[63719.819271] RBP: 00007fffaa692290 R08: 0000000000000000 R09: 0000000000000000
[63719.819273] R10: 0000000000000015 R11: 0000000000000293 R12: 0000000000000000
[63719.819275] R13: 0000000000000000 R14: 00007fffaa692448 R15: 00007fffaa69243c
[63719.819300] iwlwifi 0000:00:14.3: Firmware not running - cannot dump error

Steps To ReproduceUpdate from 8.1 to 8.2.
Try to connect to wifi.
Tags"firmware", "iwlwifi", "Network", "wireless", centos 8, kernel

Activities

g8y2n5

g8y2n5

2020-06-17 07:50

reporter   ~0037134

Maybe its not clear. The problem isnt the high cpu usage. The problem is that iwlwifi fails and cant use wifi.

Issue History

Date Modified Username Field Change
2020-06-17 07:45 g8y2n5 New Issue
2020-06-17 07:45 g8y2n5 Tag Attached: "Network"
2020-06-17 07:45 g8y2n5 Tag Attached: "wireless"
2020-06-17 07:45 g8y2n5 Tag Attached: centos 8
2020-06-17 07:45 g8y2n5 Tag Attached: kernel
2020-06-17 07:45 g8y2n5 Tag Attached: "firmware"
2020-06-17 07:45 g8y2n5 Tag Attached: "iwlwifi"
2020-06-17 07:50 g8y2n5 Note Added: 0037134