# BBBW: wl1835: Wlcore - wifi failure **URL:** \ **Category:** Linux Discussions\ **Created:** [November 4, 2021, 4:32pm UTC](https://forum.digikey.com/t/bbbw-wl1835-wlcore-wifi-failure/17687 "2021-11-04T16:32:50Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![dzhou](https://avatars.discourse-cdn.com/v4/letter/d/ecd19e/32.png) [@dzhou](https://forum.digikey.com/u/dzhou)\ **Post date:** [November 4, 2021, 4:32pm UTC](https://forum.digikey.com/t/bbbw-wl1835-wlcore-wifi-failure/17687/1 "2021-11-04T16:32:50Z")
Hi Robert, For some reason, my production board starts with issues with wlcore-wifi after it is rebooted: > [492.333456] ieee80211 phy0: Hardware restart was requested > [492.819378] wlcore: PHY firmware version: Rev 8.2.0.0.242 > [492.925235] wlcore: firmware booted (Rev 8.9.0.0.79) > [493.071062] wlcore: Association completed. > [504.558020] ------------[cut here]------------ > [504.558340] WARNING: CPU: 0 PID: 1525 at drivers/net/wireless/ti/wlcore/main.c:808 wl12xx\_queue\_recovery\_work+0x64/0x68 [wlcore] > [504.558350] Modules linked in: ppp\_async ppp\_generic slhc rfcomm bnep xt\_state xt\_conntrack nft\_counter nft\_chain\_nat\_ipv4 ipt\_MASQUERADE nft\_compat hci\_uart nf\_tables bluetooth nfnetlink ecdh\_generic aes\_arm\_bs crypto\_simd cryptd wl18xx wlcore mac80211 cfg80211 c\_can\_platform c\_can can\_dev wlcore\_sdio evdev uio\_pdrv\_genirq uio loop usb\_f\_mass\_storage usb\_f\_acm u\_serial usb\_f\_ecm usb\_f\_rndis u\_ether libcomposite iptable\_nat nf\_nat\_ipv4 nf\_nat nf\_conntrack nf\_defrag\_ipv6 nf\_defrag\_ipv4 iptable\_mangle iptable\_filter spidev ip\_tables x\_tables > [504.558572] CPU: 0 PID: 1525 Comm: bash Tainted: G W 4.19.50-ti-r20 #1buster > [504.558579] Hardware name: Generic AM33XX (Flattened Device Tree) > [504.558625] [] (unwind\_backtrace) from [] (show\_stack+0x20/0x24) > [504.558645] [] (show\_stack) from [] (dump\_stack+0x80/0x94) > [504.558664] [] (dump\_stack) from [] (\_\_warn.part.3+0xcc/0xe8) > [504.558677] [] (\_\_warn.part.3) from [] (warn\_slowpath\_null+0x54/0x5c) > [504.558809] [] (warn\_slowpath\_null) from [] (wl12xx\_queue\_recovery\_work+0x64/0x68 [wlcore]) > [504.558992] [] (wl12xx\_queue\_recovery\_work [wlcore]) from [] (start\_recovery\_write+0x30/0x40 [wlcore]) > [504.559096] [] (start\_recovery\_write [wlcore]) from [] (full\_proxy\_write+0x64/0x80) > [504.559118] [] (full\_proxy\_write) from [] (\_\_vfs\_write+0x28/0x48) > [504.559132] [] (\_\_vfs\_write) from [] (vfs\_write+0xb4/0x1c8) > [504.559144] [] (vfs\_write) from [] (ksys\_write+0x74/0xe8) > [504.559155] [] (ksys\_write) from [] (sys\_write+0x18/0x1c) > [504.559168] [] (sys\_write) from [] (ret\_fast\_syscall+0x0/0x54) > [504.559176] Exception stack(0xd4a97fa8 to 0xd4a97ff0) > [504.559188] 7fa0: 00000074 009f8238 00000001 009f8238 00000002 00000000 > [504.559199] 7fc0: 00000074 009f8238 b6f1bdb0 00000004 00000002 00000002 00000000 00000000 > [504.559207] 7fe0: 00000004 bef8aa18 b6eb35b3 b6e3c746 > [504.559216] —[end trace 8e28a1f85b9acb36]— > [504.559327] wlcore: Hardware recovery in progress. FW ver: Rev 8.9.0.0.79 > [504.559986] wlcore: pc: 0x0, hint\_sts: 0x00000000 count: 36 > [504.560405] wlcore: down > [504.560474] wlcore: down > [504.560485] wlcore: down > [504.560645] ieee80211 phy0: Hardware restart was requested > [504.989657] wlcore: PHY firmware version: Rev 8.2.0.0.242 > [505.037773] wlcore: firmware booted (Rev 8.9.0.0.79) > [505.078955] wlcore: Association completed. Please review the messages. Is it hardware or software/firmware related? Thank you, David Zhou ---
**Author:** ![RobertCNelson](https://sea2.discourse-cdn.com/digikey/user_avatar/forum.digikey.com/robertcnelson/32/12_2.png) [@RobertCNelson](https://forum.digikey.com/u/RobertCNelson)\ **Post date:** [November 4, 2021, 5:21pm UTC](https://forum.digikey.com/t/bbbw-wl1835-wlcore-wifi-failure/17687/2 "2021-11-04T17:21:37Z")
Hi @dzhou please upgrade to 4.19.94-ti-r68… ```auto [492.333456] ieee80211 phy0: Hardware restart was requested [492.819378] wlcore: PHY firmware version: Rev 8.2.0.0.242 [492.925235] wlcore: firmware booted (Rev 8.9.0.0.79) [493.071062] wlcore: Association completed. ``` and upgrade the bb-wl18xx-firmware debian package… as it’ll bring in a newer version of the firmware: ```auto [87.832698] wlcore: wl18xx HW: 183x or 180x, PG 2.2 (ROM 0x11) [87.868639] wlcore: loaded [88.456111] wlcore: PHY firmware version: Rev 8.2.0.0.245 [88.508141] wlcore: firmware booted (Rev 8.9.0.0.88) ``` Regards,