[FS#460] Latest mt76 update broke Witi

Thu Feb 2 13:56:04 PST 2017

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

User who did this - neheb (neheb) 

Attached to Project - LEDE Project
Summary - Latest mt76 update broke Witi
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 - Supply the following if possible:
 - Device problem occurs on - MQMaker Witi
 - Software versions of LEDE release, packages, etc. - latest git
 - Steps to reproduce - none really. just boot the device.

Relevant output from dmesg: 

[   18.270000] mt76x2e 0000:01:00.0: ASIC revision: 76120044
[   18.300000] mt76x2e 0000:01:00.0: ROM patch already applied
[   18.310000] mt76x2e 0000:01:00.0: Firmware Version: 0.0.00
[   18.320000] mt76x2e 0000:01:00.0: Build: 1
[   18.330000] mt76x2e 0000:01:00.0: Build Time: 201507311614____
[   18.370000] mt76x2e 0000:01:00.0: Firmware running!
[   18.380000] ------------[ cut here ]------------
[   18.380000] WARNING: CPU: 1 PID: 571 at compat-wireless-2016-10-08/net/wireless/core.c:660 wiphy_register+0xb4/0x698 [cfg80211]()
[   18.410000] Modules linked in: mt76x2e(+) mt76 mac80211 cfg80211 compat xt_set ip_set_list_set ip_set_hash_netiface 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_NPT ip6t_MASQUERADE nf_nat_masquerade_ipv6 ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 nf_nat nf_conntrack ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables ip6_udp_tunnel udp_tunnel sit tunnel4 ip_tunnel
[   18.520000] Adding 2097144k swap on /dev/mmcblk0p1.  Priority:-1 extents:1 across:2097144k SS
[   18.540000]  snd_compress snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_rawmidi snd_seq_device snd_hwdep snd soundcore vfat fat ntfs cifs nls_utf8 nls_iso8859_1 nls_cp437 sha256_generic md5 md4 hmac ecb des_generic mmc_block usb_storage sdhci_pltfm sdhci mtk_sd mmc_core xhci_mtk xhci_plat_hcd xhci_pci xhci_hcd ahci libahci libata sd_mod scsi_mod gpio_button_hotplug f2fs ext4 jbd2 mbcache usbcore nls_base usb_common crc32c_generic
[   18.620000] CPU: 1 PID: 571 Comm: kmodloader Not tainted 4.4.46 #0
[   18.630000] Stack : 00000006 00000001 00000000 00000000 00000000 00000000 804d6862 00000036
[   18.630000] 	  00000000 00000000 80480000 804f0000 80480000 8047bc83 803f8798 00000001
[   18.630000] 	  0000023b 804d367c 00000003 8ea48b78 8ea492c8 80066ae0 80480000 804f0000
[   18.630000] 	  80480000 8048019c 803fd0ac 8ee75a3c 804d367c 8006474c 00000003 8ea48b78
[   18.630000] 	  8ea492c8 00000000 8ee75a3c 008ba62e 00000000 00000000 00000000 00000000
[   18.630000] 	  ...
[   18.700000] Call Trace:
[   18.710000] [] show_stack+0x64/0xb0
[   18.710000] [] dump_stack+0x84/0xbc
[   18.720000] [] warn_slowpath_common+0xa0/0xd0
[   18.730000] [] warn_slowpath_null+0x18/0x24
[   18.740000] [] wiphy_register+0xb4/0x698 [cfg80211]
[   18.750000] [] ieee80211_register_hw+0x2c0/0xa34 [mac80211]
[   18.770000] [] mt76x2_register_device+0x1f0/0x5f0 [mt76x2e]
[   18.780000] [] 0x8e9d0124
[   18.790000] 
[   18.790000] ---[ end trace e01c7569c2607715 ]---
[   18.800000] mt76x2e: probe of 0000:01:00.0 failed with error -22
[   18.810000] mt76x2e 0000:02:00.0: ASIC revision: 76020044
[   18.840000] mt76x2e 0000:02:00.0: ROM patch already applied
[   18.850000] mt76x2e 0000:02:00.0: Firmware Version: 0.0.00
[   18.860000] mt76x2e 0000:02:00.0: Build: 1
[   18.870000] mt76x2e 0000:02:00.0: Build Time: 201507311614____
[   18.900000] mt76x2e 0000:02:00.0: Firmware running!
[   18.910000] ------------[ cut here ]------------
[   18.910000] WARNING: CPU: 0 PID: 571 at compat-wireless-2016-10-08/net/wireless/core.c:660 wiphy_register+0xb4/0x698 [cfg80211]()
[   18.940000] Modules linked in: mt76x2e(+) mt76 mac80211 cfg80211 compat xt_set ip_set_list_set ip_set_hash_netiface 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_NPT ip6t_MASQUERADE nf_nat_masquerade_ipv6 ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 nf_nat nf_conntrack ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables ip6_udp_tunnel udp_tunnel sit tunnel4 ip_tunnel snd_compress snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_rawmidi snd_seq_device snd_hwdep snd soundcore vfat fat ntfs cifs nls_utf8 nls_iso8859_1 nls_cp437 sha256_generic md5 md4 hmac ecb des_generic mmc_block usb_storage sdhci_pltfm sdhci mtk_sd mmc_core xhci_mtk xhci_plat_hcd xhci_pci xhci_hcd ahci libahci libata sd_mod scsi_mod gpio_button_hotplug f2fs ext4 jbd2 mbcache usbcore nls_base usb_common crc32c_generic
[   19.130000] CPU: 0 PID: 571 Comm: kmodloader Tainted: G        W       4.4.46 #0
[   19.130000] Stack : 00000006 00000000 00000000 00000000 00000000 00000000 804d6862 00000044
[   19.130000] 	  00000000 00000000 80480000 804f0000 80480000 8047bc83 803f8798 00000000
[   19.130000] 	  0000023b 804d367c 00000003 8eb58b78 8eb592c8 80066ae0 80480000 804f0000
[   19.130000] 	  80480000 8048019c 803fd0ac 8ee75a3c 804d367c 8006474c 00000003 8eb58b78
[   19.130000] 	  000004d0 00000000 8ee75a3c 008ba62e 00000000 00000000 00000000 00000000
[   19.130000] 	  ...
[   19.130000] Call Trace:
[   19.130000] [] show_stack+0x64/0xb0
[   19.130000] [] dump_stack+0x84/0xbc
[   19.130000] [] warn_slowpath_common+0xa0/0xd0
[   19.130000] [] warn_slowpath_null+0x18/0x24
[   19.130000] [] wiphy_register+0xb4/0x698 [cfg80211]
[   19.130000] [] ieee80211_register_hw+0x2c0/0xa34 [mac80211]
[   19.130000] [] mt76x2_register_device+0x1f0/0x5f0 [mt76x2e]
[   19.130000] [] 0x8e9d0124
[   19.130000] 
[   19.300000] ---[ end trace e01c7569c2607716 ]---
[   19.310000] mt76x2e: probe of 0000:02:00.0 failed with error -22

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=460