Wifi dies under high cpu load
#1
I was firing up a build on 5 cores for 60 min. After 45 min, wifi constantly died and needed to be manually restarted . 15 min later, the build was done and wifi became stable, again.


Code:
Nov 11 09:47:39 pinebook-pro kernel: [48295.639926] CFG80211-ERROR) wl_cfg80211_hang : In : chip crash eventing, reason=0x80


Note, high cpu load means heat / overheating. The wifi chip is physically close to the SOC.


Full logs for one crash:


Code:
Nov 11 09:47:39 pinebook-pro kernel: [48295.425054] Hardware name: Pine64 Pinebook Pro (DT)
Nov 11 09:47:39 pinebook-pro kernel: [48295.425058] Call trace:
Nov 11 09:47:39 pinebook-pro kernel: [48295.425074] [<ffffff8008088df0>] dump_backtrace+0x0/0x240
Nov 11 09:47:39 pinebook-pro kernel: [48295.425078] [<ffffff8008089054>] show_stack+0x24/0x30
Nov 11 09:47:39 pinebook-pro kernel: [48295.425086] [<ffffff800849ecfc>] dump_stack+0x9c/0xc0
Nov 11 09:47:39 pinebook-pro kernel: [48295.425091] [<ffffff800818b0cc>] warn_alloc_failed+0xcc/0x118
Nov 11 09:47:39 pinebook-pro kernel: [48295.425095] [<ffffff800818e174>] __alloc_pages_nodemask+0x6d4/0x818
Nov 11 09:47:39 pinebook-pro kernel: [48295.425097] [<ffffff800818e5dc>] alloc_kmem_pages+0x34/0x40
Nov 11 09:47:39 pinebook-pro kernel: [48295.425105] [<ffffff80081a8328>] kmalloc_order+0x28/0x70
Nov 11 09:47:39 pinebook-pro kernel: [48295.425108] [<ffffff80081a83ac>] kmalloc_order_trace+0x3c/0xf8
Nov 11 09:47:39 pinebook-pro kernel: [48295.425113] [<ffffff80081cd864>] __kmalloc+0x1b4/0x218
Nov 11 09:47:39 pinebook-pro kernel: [48295.425118] [<ffffff8008a10738>] osl_malloc+0x80/0xa0
Nov 11 09:47:39 pinebook-pro kernel: [48295.425124] [<ffffff8008a07334>] dhd_get_fwdump_buf+0x64/0xc0
Nov 11 09:47:39 pinebook-pro kernel: [48295.425132] [<ffffff8008a308a8>] dhdsdio_mem_dump+0x38/0x230
Nov 11 09:47:39 pinebook-pro kernel: [48295.425135] [<ffffff8008a3a9fc>] dhd_bus_rxctl+0x37c/0x550
Nov 11 09:47:39 pinebook-pro kernel: [48295.425139] [<ffffff8008a3d04c>] dhdcdc_cmplt.isra.2+0x5c/0x90
Nov 11 09:47:39 pinebook-pro kernel: [48295.425141] [<ffffff8008a3d308>] dhd_prot_ioctl+0x288/0x688
Nov 11 09:47:39 pinebook-pro kernel: [48295.425145] [<ffffff8008a074ec>] dhd_wl_ioctl+0xbc/0x220
Nov 11 09:47:39 pinebook-pro kernel: [48295.425148] [<ffffff8008a0b1d0>] dhd_is_associated+0x70/0x140
Nov 11 09:47:39 pinebook-pro kernel: [48295.425153] [<ffffff8008a65bd4>] wl_cfg80211_get_station+0x49c/0xbb0
Nov 11 09:47:39 pinebook-pro kernel: [48295.425159] [<ffffff80090d8720>] nl80211_get_station+0x88/0x230
Nov 11 09:47:39 pinebook-pro kernel: [48295.425166] [<ffffff8008f4d660>] genl_family_rcv_msg+0x1d8/0x370
Nov 11 09:47:39 pinebook-pro kernel: [48295.425169] [<ffffff8008f4d87c>] genl_rcv_msg+0x84/0xd8
Nov 11 09:47:39 pinebook-pro kernel: [48295.425173] [<ffffff8008f4c694>] netlink_rcv_skb+0xcc/0xf8
Nov 11 09:47:39 pinebook-pro kernel: [48295.425176] [<ffffff8008f4d474>] genl_rcv+0x3c/0x50
Nov 11 09:47:39 pinebook-pro kernel: [48295.425179] [<ffffff8008f4bf80>] netlink_unicast+0x188/0x210
Nov 11 09:47:39 pinebook-pro kernel: [48295.425183] [<ffffff8008f4c3b4>] netlink_sendmsg+0x284/0x328
Nov 11 09:47:39 pinebook-pro kernel: [48295.425189] [<ffffff8008ef5254>] sock_sendmsg+0x34/0x50
Nov 11 09:47:39 pinebook-pro kernel: [48295.425192] [<ffffff8008ef5a7c>] ___sys_sendmsg+0x23c/0x250
Nov 11 09:47:39 pinebook-pro kernel: [48295.425195] [<ffffff8008ef6b20>] __sys_sendmsg+0x50/0x90
Nov 11 09:47:39 pinebook-pro kernel: [48295.425200] [<ffffff8008f38714>] compat_SyS_sendmsg+0x34/0x48
Nov 11 09:47:39 pinebook-pro kernel: [48295.425204] [<ffffff8008082f30>] el0_svc_naked+0x24/0x28
Nov 11 09:47:39 pinebook-pro kernel: [48295.425206] Mem-Info:
Nov 11 09:47:39 pinebook-pro kernel: [48295.425214] active_anon:81631 inactive_anon:63367 isolated_anon:0
Nov 11 09:47:39 pinebook-pro kernel: [48295.425214]  active_file:148372 inactive_file:98741 isolated_file:38
Nov 11 09:47:39 pinebook-pro kernel: [48295.425214]  unevictable:12 dirty:3353 writeback:0 unstable:0
Nov 11 09:47:39 pinebook-pro kernel: [48295.425214]  slab_reclaimable:131721 slab_unreclaimable:8146
Nov 11 09:47:39 pinebook-pro kernel: [48295.425214]  mapped:53970 shmem:15161 pagetables:2624 bounce:0
Nov 11 09:47:39 pinebook-pro kernel: [48295.425214]  free:376850 free_pcp:89 free_cma:0
Nov 11 09:47:39 pinebook-pro kernel: [48295.425226] DMA free:1507400kB min:7824kB low:9780kB high:11736kB active_anon:326524kB inactive_anon:253468kB active_file:593488kB inactive_file:394964kB unevictable:48kB isolated(anon):0kB isolated(file):152kB present:4061184kB managed:3829728kB mlocked:48kB dirty:13412kB writeback:0kB mapped:215880kB shmem:60644kB slab_reclaimable:526884kB slab_unreclaimable:32584kB kernel_stack:10512kB pagetables:10496kB unstable:0kB bounce:0kB free_pcp:356kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Nov 11 09:47:39 pinebook-pro kernel: [48295.425229] lowmem_reserve[]: 0 0 0
Nov 11 09:47:39 pinebook-pro kernel: [48295.425235] DMA: 3944*4kB (UME) 28320*8kB (UME) 25339*16kB (UME) 14505*32kB (UME) 4490*64kB (UME) 718*128kB (UME) 61*256kB (ME) 1*512kB (E) 0*1024kB 0*2048kB 0*4096kB = 1507312kB
Nov 11 09:47:39 pinebook-pro kernel: [48295.425258] 262202 total pagecache pages
Nov 11 09:47:39 pinebook-pro kernel: [48295.425262] 5 pages in swap cache
Nov 11 09:47:39 pinebook-pro kernel: [48295.425265] Swap cache stats: add 671, delete 666, find 0/1
Nov 11 09:47:39 pinebook-pro kernel: [48295.425267] Free swap  = 8587024kB
Nov 11 09:47:39 pinebook-pro kernel: [48295.425268] Total swap = 8589680kB
Nov 11 09:47:39 pinebook-pro kernel: [48295.425270] 1015296 pages RAM
Nov 11 09:47:39 pinebook-pro kernel: [48295.425272] 0 pages HighMem/MovableOnly
Nov 11 09:47:39 pinebook-pro kernel: [48295.425274] 57864 pages reserved
Nov 11 09:47:39 pinebook-pro kernel: [48295.425279] dhd_get_fwdump_buf: Failed to allocate memory for fw crash snap shot.
Nov 11 09:47:39 pinebook-pro kernel: [48295.425282] dhdsdio_mem_dump: Out of memory (819200 bytes)
Nov 11 09:47:39 pinebook-pro kernel: [48295.425285] dhd_bus_rxctl: rxcnt_timeout=1, rxlen=0
Nov 11 09:47:39 pinebook-pro kernel: [48295.426567] NetworkManager: page allocation failure: order:8, mode:0x24040c0
Nov 11 09:47:39 pinebook-pro kernel: [48295.426576] CPU: 4 PID: 484 Comm: NetworkManager Not tainted 4.4.196-gb9a54c00f-dirty #1
Nov 11 09:47:39 pinebook-pro kernel: [48295.426579] Hardware name: Pine64 Pinebook Pro (DT)
Nov 11 09:47:39 pinebook-pro kernel: [48295.426581] Call trace:
Nov 11 09:47:39 pinebook-pro kernel: [48295.426590] [<ffffff8008088df0>] dump_backtrace+0x0/0x240
Nov 11 09:47:39 pinebook-pro kernel: [48295.426594] [<ffffff8008089054>] show_stack+0x24/0x30
Nov 11 09:47:39 pinebook-pro kernel: [48295.426599] [<ffffff800849ecfc>] dump_stack+0x9c/0xc0
Nov 11 09:47:39 pinebook-pro kernel: [48295.426604] [<ffffff800818b0cc>] warn_alloc_failed+0xcc/0x118
Nov 11 09:47:39 pinebook-pro kernel: [48295.426607] [<ffffff800818e174>] __alloc_pages_nodemask+0x6d4/0x818
Nov 11 09:47:39 pinebook-pro kernel: [48295.426610] [<ffffff800818e5dc>] alloc_kmem_pages+0x34/0x40
Nov 11 09:47:39 pinebook-pro kernel: [48295.426614] [<ffffff80081a8328>] kmalloc_order+0x28/0x70
Nov 11 09:47:39 pinebook-pro kernel: [48295.426618] [<ffffff80081a83ac>] kmalloc_order_trace+0x3c/0xf8
Nov 11 09:47:39 pinebook-pro kernel: [48295.426622] [<ffffff80081cd864>] __kmalloc+0x1b4/0x218
Nov 11 09:47:39 pinebook-pro kernel: [48295.426627] [<ffffff8008a10738>] osl_malloc+0x80/0xa0
Nov 11 09:47:39 pinebook-pro kernel: [48295.426632] [<ffffff8008a07334>] dhd_get_fwdump_buf+0x64/0xc0
Nov 11 09:47:39 pinebook-pro kernel: [48295.426640] [<ffffff8008a308a8>] dhdsdio_mem_dump+0x38/0x230
Nov 11 09:47:39 pinebook-pro kernel: [48295.426644] [<ffffff8008a35c8c>] dhd_bus_mem_dump+0x2c/0x68
Nov 11 09:47:39 pinebook-pro kernel: [48295.426646] [<ffffff8008a3a97c>] dhd_bus_rxctl+0x2fc/0x550
Nov 11 09:47:39 pinebook-pro kernel: [48295.426649] [<ffffff8008a3d04c>] dhdcdc_cmplt.isra.2+0x5c/0x90
Nov 11 09:47:39 pinebook-pro kernel: [48295.426652] [<ffffff8008a3d308>] dhd_prot_ioctl+0x288/0x688
Nov 11 09:47:39 pinebook-pro kernel: [48295.426656] [<ffffff8008a074ec>] dhd_wl_ioctl+0xbc/0x220
Nov 11 09:47:39 pinebook-pro kernel: [48295.426658] [<ffffff8008a0b1d0>] dhd_is_associated+0x70/0x140
Nov 11 09:47:39 pinebook-pro kernel: [48295.426662] [<ffffff8008a65bd4>] wl_cfg80211_get_station+0x49c/0xbb0
Nov 11 09:47:39 pinebook-pro kernel: [48295.426667] [<ffffff80090d8720>] nl80211_get_station+0x88/0x230
Nov 11 09:47:39 pinebook-pro kernel: [48295.426672] [<ffffff8008f4d660>] genl_family_rcv_msg+0x1d8/0x370
Nov 11 09:47:39 pinebook-pro kernel: [48295.426675] [<ffffff8008f4d87c>] genl_rcv_msg+0x84/0xd8
Nov 11 09:47:39 pinebook-pro kernel: [48295.426679] [<ffffff8008f4c694>] netlink_rcv_skb+0xcc/0xf8
Nov 11 09:47:39 pinebook-pro kernel: [48295.426681] [<ffffff8008f4d474>] genl_rcv+0x3c/0x50
Nov 11 09:47:39 pinebook-pro kernel: [48295.426684] [<ffffff8008f4bf80>] netlink_unicast+0x188/0x210
Nov 11 09:47:39 pinebook-pro kernel: [48295.426688] [<ffffff8008f4c3b4>] netlink_sendmsg+0x284/0x328
Nov 11 09:47:39 pinebook-pro kernel: [48295.426694] [<ffffff8008ef5254>] sock_sendmsg+0x34/0x50
Nov 11 09:47:39 pinebook-pro kernel: [48295.426697] [<ffffff8008ef5a7c>] ___sys_sendmsg+0x23c/0x250
Nov 11 09:47:39 pinebook-pro kernel: [48295.426700] [<ffffff8008ef6b20>] __sys_sendmsg+0x50/0x90
Nov 11 09:47:39 pinebook-pro kernel: [48295.426704] [<ffffff8008f38714>] compat_SyS_sendmsg+0x34/0x48
Nov 11 09:47:39 pinebook-pro kernel: [48295.426707] [<ffffff8008082f30>] el0_svc_naked+0x24/0x28
Nov 11 09:47:39 pinebook-pro kernel: [48295.426709] Mem-Info:
Nov 11 09:47:39 pinebook-pro kernel: [48295.426715] active_anon:81601 inactive_anon:63434 isolated_anon:0
Nov 11 09:47:39 pinebook-pro kernel: [48295.426715]  active_file:148309 inactive_file:98630 isolated_file:38
Nov 11 09:47:39 pinebook-pro kernel: [48295.426715]  unevictable:12 dirty:3353 writeback:0 unstable:0
Nov 11 09:47:39 pinebook-pro kernel: [48295.426715]  slab_reclaimable:131721 slab_unreclaimable:8146
Nov 11 09:47:39 pinebook-pro kernel: [48295.426715]  mapped:53970 shmem:15161 pagetables:2624 bounce:0
Nov 11 09:47:39 pinebook-pro kernel: [48295.426715]  free:376924 free_pcp:28 free_cma:0
Nov 11 09:47:39 pinebook-pro kernel: [48295.426726] DMA free:1507696kB min:7824kB low:9780kB high:11736kB active_anon:326404kB inactive_anon:253736kB active_file:593236kB inactive_file:394520kB unevictable:48kB isolated(anon):0kB isolated(file):152kB present:4061184kB managed:3829728kB mlocked:48kB dirty:13412kB writeback:0kB mapped:215880kB shmem:60644kB slab_reclaimable:526884kB slab_unreclaimable:32584kB kernel_stack:10512kB pagetables:10496kB unstable:0kB bounce:0kB free_pcp:112kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Nov 11 09:47:39 pinebook-pro kernel: [48295.426728] lowmem_reserve[]: 0 0 0
Nov 11 09:47:39 pinebook-pro kernel: [48295.426734] DMA: 4079*4kB (UME) 28319*8kB (UME) 25338*16kB (UME) 14506*32kB (UME) 4490*64kB (UME) 718*128kB (UME) 61*256kB (ME) 1*512kB (E) 0*1024kB 0*2048kB 0*4096kB = 1507860kB
Nov 11 09:47:39 pinebook-pro kernel: [48295.426756] 262092 total pagecache pages
Nov 11 09:47:39 pinebook-pro kernel: [48295.426758] 5 pages in swap cache
Nov 11 09:47:39 pinebook-pro kernel: [48295.426761] Swap cache stats: add 671, delete 666, find 0/1
Nov 11 09:47:39 pinebook-pro kernel: [48295.426763] Free swap  = 8587024kB
Nov 11 09:47:39 pinebook-pro kernel: [48295.426764] Total swap = 8589680kB
Nov 11 09:47:39 pinebook-pro kernel: [48295.426766] 1015296 pages RAM
Nov 11 09:47:39 pinebook-pro kernel: [48295.426768] 0 pages HighMem/MovableOnly
Nov 11 09:47:39 pinebook-pro kernel: [48295.426770] 57864 pages reserved
Nov 11 09:47:39 pinebook-pro kernel: [48295.426773] dhd_get_fwdump_buf: Failed to allocate memory for fw crash snap shot.
Nov 11 09:47:39 pinebook-pro kernel: [48295.426776] dhdsdio_mem_dump: Out of memory (819200 bytes)
Nov 11 09:47:39 pinebook-pro kernel: [48295.426782] dhd_check_hang: Event HANG send up due to  re=1 te=0 e=-110 s=2
Nov 11 09:47:39 pinebook-pro kernel: [48295.426798] dhd_os_send_hang_message: Event HANG send up due to  re=1 te=0 s=2
Nov 11 09:47:39 pinebook-pro kernel: [48295.426805] CFG80211-ERROR) wl_cfg80211_get_station : NOT assoc
Nov 11 09:47:39 pinebook-pro kernel: [48295.426844] CFG80211-ERROR) wl_cfg80211_disconnect : Reason 3
Nov 11 09:47:39 pinebook-pro kernel: [48295.426851] dhd_dbg_stop_pkt_monitor, 1963
Nov 11 09:47:39 pinebook-pro kernel: [48295.426858] dhd_prot_ioctl : bus is down. we have nothing to do - bs: 2, has: 1
Nov 11 09:47:39 pinebook-pro kernel: [48295.426861] CFG80211-ERROR) wl_cfg80211_disconnect : error (-1)
Nov 11 09:47:39 pinebook-pro kernel: [48295.431392] dhd_stop: Enter ffffffc0e97c5000
Nov 11 09:47:39 pinebook-pro kernel: [48295.431410] dhd_prot_ioctl : bus is down. we have nothing to do - bs: 2, has: 1
Nov 11 09:47:39 pinebook-pro kernel: [48295.431414] CFG80211-ERROR) wl_cfg80211_clear_security : wsec clear failed 
Nov 11 09:47:39 pinebook-pro kernel: [48295.431420] dhd_prot_ioctl : bus is down. we have nothing to do - bs: 2, has: 1
Nov 11 09:47:39 pinebook-pro kernel: [48295.431423] CFG80211-ERROR) wl_cfg80211_clear_security : auth clear failed 
Nov 11 09:47:39 pinebook-pro kernel: [48295.431428] dhd_prot_ioctl : bus is down. we have nothing to do - bs: 2, has: 1
Nov 11 09:47:39 pinebook-pro kernel: [48295.431431] CFG80211-ERROR) wl_cfg80211_clear_security : wpa_auth clear failed 
Nov 11 09:47:39 pinebook-pro kernel: [48295.431437] dhd_prot_ioctl : bus is down. we have nothing to do - bs: 2, has: 1
Nov 11 09:47:39 pinebook-pro kernel: [48295.431439] CFG80211-ERROR) wl_cfg80211_bss_isup : 'cfg bss -C 0' failed: -1
Nov 11 09:47:39 pinebook-pro kernel: [48295.431443] CFG80211-ERROR) wl_cfg80211_bss_isup : NOTE: this ioctl error is normal when the BSS has not been created yet.
Nov 11 09:47:39 pinebook-pro kernel: [48295.431454] dhd_prot_ioctl : bus is down. we have nothing to do - bs: 2, has: 1
Nov 11 09:47:39 pinebook-pro kernel: [48295.431457] CFG80211-ERROR) wl_notifier_change_state : wlan0:error (-1)
Nov 11 09:47:39 pinebook-pro kernel: [48295.431462] dhd_prot_ioctl : bus is down. we have nothing to do - bs: 2, has: 1
Nov 11 09:47:39 pinebook-pro kernel: [48295.431465] CFG80211-ERROR) wl_cfg80211_update_power_mode : wl_cfg80211_update_power_mode:error (-1)
Nov 11 09:47:39 pinebook-pro kernel: [48295.431588] CFGP2P-ERROR) wl_cfgp2p_disable_discovery :  do nothing, not initialized
Nov 11 09:47:39 pinebook-pro kernel: [48295.431600] CFGP2P-ERROR) wl_cfgp2p_deinit_priv : In
Nov 11 09:47:39 pinebook-pro kernel: [48295.431606] dhd_prot_ioctl : bus is down. we have nothing to do - bs: 2, has: 1
Nov 11 09:47:39 pinebook-pro kernel: [48295.431610] CFG80211-ERROR) wl_dongle_down : WLC_DOWN error (-1)
Nov 11 09:47:39 pinebook-pro kernel: [48295.431617] dhd_tcpack_suppress_set: TCP ACK Suppress mode 1 -> mode 0
Nov 11 09:47:39 pinebook-pro kernel: [48295.431623] wl_android_wifi_off in 1
Nov 11 09:47:39 pinebook-pro kernel: [48295.431626] wl_android_wifi_off in 2: g_wifi_on=1, on_failure=1
Nov 11 09:47:39 pinebook-pro kernel: [48295.431629] dhd_prot_ioctl : bus is down. we have nothing to do - bs: 2, has: 1
Nov 11 09:47:39 pinebook-pro kernel: [48295.431635] dhd_dbg_detach_pkt_monitor, 2204
Nov 11 09:47:39 pinebook-pro kernel: [48295.431639] dhd_bus_devreset: == Power OFF ==
Nov 11 09:47:39 pinebook-pro kernel: [48295.630953] sdioh_buffer_tofrom_bus: RX FAILED ffffffc0e9eafa20, addr=0x08000, pkt_len=32, ERR=-84
Nov 11 09:47:39 pinebook-pro kernel: [48295.630970] dhdsdio_readframes: RXHEADER FAILED: -35
Nov 11 09:47:39 pinebook-pro kernel: [48295.630976] dhdsdio_rxfail: abort command, terminate frame, send NAK
Nov 11 09:47:39 pinebook-pro kernel: [48295.639199] dwmmc_rockchip fe310000.dwmmc: All phases work, using default phase 0.
Nov 11 09:47:39 pinebook-pro kernel: [48295.639418] dhdsdio_isr : bus is down. we have nothing to do
Nov 11 09:47:39 pinebook-pro kernel: [48295.639427] dhd_txglom_enable: enable 0
Nov 11 09:47:39 pinebook-pro kernel: [48295.639433] dhd_conf_set_txglom_params: txglom_mode=copy
Nov 11 09:47:39 pinebook-pro kernel: [48295.639441] dhd_conf_set_txglom_params: txglomsize=0, deferred_tx_len=0
Nov 11 09:47:39 pinebook-pro kernel: [48295.639444] dhd_conf_set_txglom_params: txinrx_thres=128, dhd_txminmax=-1
Nov 11 09:47:39 pinebook-pro kernel: [48295.639447] dhd_conf_set_txglom_params: tx_max_offset=0, txctl_tmo_fix=-1
Nov 11 09:47:39 pinebook-pro kernel: [48295.639450] dhd_bus_devreset:  WLAN OFF DONE
Nov 11 09:47:39 pinebook-pro kernel: [48295.639567] wifi_platform_set_power = 0
Nov 11 09:47:39 pinebook-pro kernel: [48295.639570] ======== PULL WL_REG_ON(-1) LOW! ========
Nov 11 09:47:39 pinebook-pro kernel: [48295.639575] [WLAN_RFKILL]: rockchip_wifi_power: 0
Nov 11 09:47:39 pinebook-pro kernel: [48295.639587] [WLAN_RFKILL]: wifi shut off power.
Nov 11 09:47:39 pinebook-pro kernel: [48295.639590] wl_android_wifi_off out
Nov 11 09:47:39 pinebook-pro kernel: [48295.639593] wl_ext_iapsta_dettach_netdev: ifidx=0
Nov 11 09:47:39 pinebook-pro kernel: [48295.639612] dhd_stop: Exit
Nov 11 09:47:39 pinebook-pro kernel: [48295.639926] CFG80211-ERROR) wl_cfg80211_hang : In : chip crash eventing, reason=0x80


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