[FS#304] ZBT-WG3526 - kernel crash on multiple SSID Wifi - mt7603_mac.c:1205 mt7603_mac_work+0x1bc/0x27

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - camel (camel) 

Attached to Project - LEDE Project
Summary - ZBT-WG3526 - kernel crash on multiple SSID Wifi  - mt7603_mac.c:1205 mt7603_mac_work+0x1bc/0x27
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - SUBJECT:ZBT-WG3526 - kernel crash on multiple SSID Wifi - mt7603_mac.c:1205 mt7603_mac_work+0x1bc/0x27c [mt7603e]()

if I'm creating multiple SSID on 2,4Ghz .. kernel crash after a short while if I'm using it immediately ..

then kernel CPU stall ... and reboot

Thu Nov 24 13:26:23 2016 user.notice root: PPP - Adding route for lostreselementos to be reachable through pptp client 192.168.3.101
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.620000] ------------[ cut here ]------------
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.620000] WARNING: CPU: 2 PID: 22 at /home/buildbot/slave-lede-local/ramips_mt7621/build/build_dir/target-mipsel_24kc_musl-1.1.15/linux-ramips_mt7621/mt76-2016-08-25/mt7603_mac.c:1205 mt7603_mac_work+0x1bc/0x27c [mt7603e]()
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.640000] Modules linked in: pppoe ppp_async option iptable_nat usb_wwan pptp pppox ppp_mppe ppp_generic nf_nat_pptp nf_nat_ipv4 nf_nat_amanda nf_conntrack_pptp nf_conntrack_ipv6 nf_conntrack_ipv4 nf_conntrack_amanda ipt_REJECT ipt_MASQUERADE xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_id xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMThu Nov 24 13:26:31 2016 kern.warn kernel: [  126.800000] CPU: 2 PID: 22 Comm: kworker/u8:1 Tainted: G        W       4.4.32 #0
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.810000] Workqueue: phy1 mt7603_mac_work [mt7603e]
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.820000] Stack : 8fcd5080 80480000 803fdcfc 000004b5 8ecbd2e0 00000000 8fc04614 8fcd5098
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.820000]         00000088 80063e90 803fdcfc 00000002 00000016 804d367c 80419780 8fcedd54
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.820000]         80480000 80061bdc 80480000 804f0000 80488298 8048829c 80402610 8fcedd54
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.820000]         80480000 80041414 8fc04614 8fcedd8c 00000743 00000000 00000000 00cedd74
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.820000]         8ecbd124 8f6b6d00 8f6b6600 31796870 00000000 00000000 00000000 00000000
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.820000]         ...
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.850000] Call Trace:
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.850000] [] show_stack+0x50/0x84
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.860000] [] dump_stack+0x84/0xbc
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.860000] [] warn_slowpath_common+0xa0/0xd0
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.870000] [] warn_slowpath_null+0x18/0x24
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.870000] [] mt7603_mac_work+0x1bc/0x27c [mt7603e]
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.880000] [] process_one_work+0x214/0x358
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.880000] [] worker_thread+0x2d8/0x440
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.890000] [] kthread+0xd8/0xec
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.890000] [] ret_from_kernel_thread+0x14/0x1c
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.900000]
Thu Nov 24 13:26:31 2016 kern.warn kernel: [  126.900000] ---[ end trace 90fc0aaf1a63872e ]---
Thu Nov 24 13:26:32 2016 kern.warn kernel: [  127.970000] ------------[ cut here ]------------
Thu Nov 24 13:26:32 2016 kern.warn kernel: [  127.970000] WARNING: CPU: 0 PID: 0 at /home/buildbot/slave-lede-local/ramips_mt7621/build/build_dir/target-mipsel_24kc_musl-1.1.15/linux-ramips_mt7621/mt76-2016-08-25/mt7603_mac.c:365 mt7603_mac_fill_rx+0x124/0x3b4 [mt7603e]()

System
Hostname	lede
Model	ZBT-WG3526
Firmware Version	LEDE Reboot r0+2292 / LuCI Master (git-16.324.51057-1c27f6b) from 22.11.2016
Kernel Version	4.4.32
lede-ramips-mt7621-zbt-wg3526-squashfs-sysupgra..> 22-Nov-2016 12:56             3932323
   

 

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=304