mt7612u+mt7688 连接wifi内核崩溃

xamofb

各位大佬，我用的是mt7688+mt7612u作为硬件，本想加多一个mt7612u来连5G的WiFi，但连是能连，就是换连别的WiFi的时候，openwrt内核直接崩溃，求解决办法，有偿。
具体崩溃日志如下：
root@SmartWSN:/# [  358.238106] wlan0: deauthenticating from b0:89:00:0a:13:94 by local choice (Reason: 3=DEAUTH_LEAVING)
[  358.262074] CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 803664a8, ra == 86e403f4
[  358.272884] Oops[#1]:
[  358.275195] CPU: 0 PID: 167 Comm: kworker/u2:2 Not tainted 4.14.123 #0
[  358.281837] Workqueue: phy0 mt76u_init [mt76_usb]
[  358.286608] task: 87d40000 task.stack: 87dc8000
[  358.291195] $ 0   : 00000000 80490000 00000000 00000000
[  358.296500] $ 4   : 86da6170 00000002 87d40000 fffffff8
[  358.301804] $ 8   : fffffffd 0000a400 00000064 00000000
[  358.307109] $12   : 00000000 86ed58a0 00000000 00000000
[  358.312413] $16   : 86da6170 86da5460 87dc9da0 86da6174
[  358.317718] $20   : 87c05000 00000002 87d31198 00000088
[  358.323022] $24   : 80441020 8acab7ea
[  358.328327] $28   : 87dc8000 87dc9d80 87d31180 86e403f4
[  358.333636] Hi    : 0029a3b3
[  358.336551] Lo    : 6745a0e9
[  358.339499] epc   : 803664a8 __mutex_lock.isra.0+0x124/0x34c
[  358.345239] ra    : 86e403f4 mt76u_single_wr+0x218/0x714 [mt76_usb]
[  358.351586] Status: 1100a403 KERNEL EXL IE
[  358.355834] Cause : 0080000c (ExcCode 03)
[  358.359892] BadVA : 00000000
[  358.362808] PrId  : 00019655 (MIPS 24KEc)
[  358.366867] Modules linked in: rt2800pci rt2800mmio rt2800lib pppoe ppp_async option l2tp_ppp uvcvideo usb_wwan rt2x00pci rt2x00mmio rt2x00lib p p t p pppox ppp_mppe ppp_generic nf_nat_p p t p nf_conntrack_p p t p nf_conntrack_ipv6 mt76x2u mt76x2_common mt76x02_usb mt76x02_lib mt76_usb mt76 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_policy xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_esp xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_HL xt_FLOWOFFLOAD xt_DSCP xt_CT xt_CLASSIFY videobuf2_v4l2 usbserial ts_fsm ts_bm slhc rtc_pcf8563 qmi_wwan oaf nf_reject_ipv4 nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_redirect nf_nat_proto_gre nf_nat_masquerade_ipv4
[  358.439555]  nf_nat_irc nf_conntrack_ipv4 nf_nat_ipv4 nf_nat_h323 nf_nat_amanda nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_tftp nf_conntrack_snmp nf_conntrack_sip nf_conntrack_rtcache nf_conntrack_proto_gre nf_conntrack_irc nf_conntrack_h323 nf_conntrack_broadcast ts_kmp nf_conntrack_amanda iptable_raw iptable_mangle iptable_filter ipt_ah ipt_ECN ip_tables input_core crc_itu_t crc_ccitt compat cdc_wdm cdc_ether act_connmark nf_conntrack act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_tbf sch_htb sch_hfsc sch_ingress videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev i2c_mt7621 i2c_dev i2c_core ledtrig_oneshot ledtrig_heartbeat ledtrig_gpio gobiNet usbnet xt_set ip_set_list_set ip_set_hash_netiface
[  358.511329]  ip_set_hash_netport ip_set_hash_netnet ip_set_hash_net ip_set_hash_netportnet ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables ip_gre gre ifb l2tp_netlink l2tp_core udp_tunnel ip6_udp_tunnel ipcomp6 xfrm6_tunnel xfrm6_mode_tunnel xfrm6_mode_transport xfrm6_mode_beet esp6 ah6 ipcomp xfrm4_tunnel xfrm4_mode_tunnel xfrm4_mode_transport xfrm4_mode_beet esp4 ah4 tunnel6 tunnel4 ip_tunnel tun af_key xfrm_user xfrm_ipcomp xfrm_algo vfat fat autofs4 nls_utf8 nls_iso8859_1 nls_cp437 eeprom_93cx6 dma_shared_buffer sha256_generic sha1_generic jitterentropy_rng
[  358.583192]  drbg md5 hmac echainiv ecb des_generic deflate zlib_inflate zlib_deflate cbc authenc crypto_acompress mmc_block sdhci_pltfm sdhci mtk_sd mmc_core leds_gpio ledtrig_transient ehci_platform ehci_hcd gpio_button_hotplug ext4 jbd2 mbcache usbcore nls_base usb_common crc16 mii aead crypto_null cryptomgr crc32c_generic crypto_hash
[  358.613600] Process kworker/u2:2 (pid: 167, threadinfo=87dc8000, task=87d40000, tls=00000000)
[  358.622234] Stack : c0052000 801cc300 86da5460 86e400b8 0000012c 00000004 00000000 ffffffff
[  358.630720]         86da6174 00000000 80449bc8 80044f3c 86da6170 86da5460 86da5460 86f5f600
[  358.639205]         87c05000 00000002 87d31198 00000088 87d31180 86e403f4 87cf6000 86060c78
[  358.647690]         87d31198 87d40000 87d17700 00001798 86da4b80 87dc9e30 87dc9e5f 86e52590
[  358.656176]         86940488 86aed780 80440000 8023ad80 86da5460 87dc9e5f 86da5460 86e55324
[  358.664661]         ...
[  358.667140] Call Trace:
[  358.669632] [<803664a8>] __mutex_lock.isra.0+0x124/0x34c
[  358.675033] [<86e403f4>] mt76u_single_wr+0x218/0x714 [mt76_usb]
[  358.681041] [<8023ad80>] __kfree_skb+0x14/0x28
[  358.685629] Code: ac920008  afb30020  afa20024 <ac520000> 8f820000  afa20028  8c820004  14520006  00000000
[  358.695537]
[  358.697109] ---[ end trace 33227be2782c3e9f ]---
[  358.704763] Kernel panic - not syncing: Fatal exception
[  358.711408] Rebooting in 3 seconds..


如果有解决办法可以加Q：1511955132，有偿。

xamofb

我用的mt76的驱动版本是 PKG_SOURCE_DATE:=2019-01-25        PKG_SOURCE_VERSION:=0b939dc7edf0629ee2d1475b6dd6b9a4a1f9384d