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Bug#990127: marked as done (mt76x0 crashes repeatedly)

Your message dated 
with message-id 
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #990127,
regarding mt76x0 crashes repeatedly
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
990127: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990127
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: firmware-misc-nonfree
Version: 20190114-2
kernel module: mt76x0
Severity: serious
Following an update recently, this driver stopped working correctly. I can now only get a working WiFi connection for a few seconds after reboot, or after waiting several minutes, making anything that requires the internet almost impossible. This was working fine until the update.
Once the interface is up, the driver crashes almost immediately. It does not matter whether I use NetworkManager or do things manually with /etc/network/interfaces and then ifup.
The same trace is seen in the logs and dmesg repeatedly. I have ruled out hardware issues. 

uname -a :
Linux hope 4.19.0-16-amd64 #1 SMP Debian 4.19.181-1 (2021-03-19) x86_64 GNU/Linux 

# modinfo mt76x0
filename: /lib/modules/4.19.0-16-amd64/kernel/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.ko 
license:        GPL
firmware:       mediatek/mt7610u.bin
alias:          usb:v0E8Dp7650d*dc*dsc*dp*icFFisc02ipFFin*
alias:          usb:v0E8Dp7630d*dc*dsc*dp*icFFisc02ipFFin*
alias:          usb:v2357p0105d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0DF6p0079d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v7392pC711d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v20F4p806Bd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v293Cp5702d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v057Cp8502d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v04BBp0951d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v07B8p7610d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0586p3425d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2001p3D02d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v2019pAB31d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0DF6p0075d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0B05p17DBd*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0B05p17D1d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v148Fp760Ad*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v148Fp761Ad*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v7392pB711d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v7392pA711d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v0E8Dp7610d*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v13B1p003Ed*dc*dsc*dp*ic*isc*ip*in*
alias:          usb:v148Fp7610d*dc*dsc*dp*ic*isc*ip*in*
depends:        mac80211,mt76,cfg80211,usbcore
retpoline:      Y
intree:         Y
name:           mt76x0
vermagic:       4.19.0-16-amd64 SMP mod_unload modversions
sig_id:         PKCS#7
signer:         Debian Secure Boot CA
sig_key:        4B:6E:F5:AB:CA:66:98:25:17:8E:05:2C:84:66:7C:CB:C0:53:1F:8C
sig_hashalgo:   sha256
signature:      58:62:E3:A8:7F:B6:04:24:F1:68:8E:F0:B1:AF:0B:34:8A:66:2D:A1:
		59:54:49:75:B2:52:7F:FF:5D:6B:34:C5:D6:9F:5E:51:33:C3:57:BE:
		38:8C:24:36:D7:C4:BE:1C:2F:62:FC:9C:A1:37:5C:04:17:59:57:0B:
		35:A5:6A:9A:2B:1B:3F:D1:E3:78:CD:50:72:8E:8B:2B:3B:FF:DE:2A:
		FC:8A:F6:A1:BF:FE:2B:52:8D:F8:6D:4D:73:2E:D6:09:5D:4A:EB:11:
		D4:26:89:78:77:D9:BB:04:E6:C4:9A:5A:35:8E:1A:14:BA:84:D7:BF:
		97:AB:0F:5F:A7:3E:D0:DF:DD:E2:75:F1:9E:2C:2A:48:09:AD:FF:D1:
		9C:9E:61:45:44:D2:2E:DD:CE:7E:C8:96:D5:F7:A1:82:CA:33:F9:87:
		5A:C8:FB:30:2B:36:45:12:2C:21:E4:23:CD:02:C5:69:93:B4:7E:A9:
		FD:BF:A0:CA:A2:A7:FD:B5:F1:CC:C8:F2:44:A1:23:33:C0:32:3A:B6:
		2E:6A:27:B8:C7:86:91:30:4A:E5:AC:14:51:50:B0:89:09:BC:31:EB:
		E4:F3:27:51:63:10:29:A0:BB:3C:94:21:33:BE:0C:C7:47:56:08:BC:
		4F:A2:FF:38:FF:D5:4C:DF:2C:A8:64:94:3D:6E:F3:6D
#


Relevant extract from dmesg:

[  996.874969] mt76x0 1-5:1.0: Error: send MCU cmd failed:-71
[  996.875010] mt76x0 1-5:1.0: Error: MCU response pre-completed!
[  996.885414] mt76x0 1-5:1.0: Error: send MCU cmd failed:-71
[  997.007009] mt76x0 1-5:1.0: Vendor request req:07 off:1798 failed:-71
[  997.275141] mt76x0 1-5:1.0: Vendor request req:07 off:1718 failed:-71
[  997.275154] ------------[ cut here ]------------
[ 997.275202] WARNING: CPU: 1 PID: 147 at drivers/net/wireless/mediatek/mt76/mt76x0/mac.c:55 mt76_mac_fill_tx_status.isra.2+0x29e/0x2e0 [mt76x0] [ 997.275203] Modules linked in: arc4 mt76x0 mt76 mac80211 cfg80211 bnep nfnetlink_queue nfnetlink_log bluetooth drbg ansi_cprng ecdh_generic cpufreq_powersave cpufreq_conservative cpufreq_userspace zram zsmalloc nf_log_ipv6 nf_log_ipv4 nf_log_common nft_limit nft_counter xt_LOG xt_limit ipt_REJECT nf_reject_ipv4 xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_multiport nft_compat nf_tables nfnetlink binfmt_misc edac_mce_amd snd_hda_codec_realtek kvm_amd snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec ccp snd_hda_core rng_core snd_hwdep kvm eeepc_wmi joydev asus_wmi snd_pcm snd_timer sparse_keymap sg snd rfkill irqbypass soundcore wmi_bmof pcspkr sp5100_tco k10temp evdev pcc_cpufreq acpi_cpufreq cuse fuse it87 hwmon_vid parport_pc ppdev lp parport ip_tables [ 997.275240] x_tables autofs4 ext4 crc16 mbcache jbd2 fscrypto ecb btrfs zstd_decompress zstd_compress xxhash algif_skcipher af_alg dm_crypt dm_mod raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c crc32c_generic raid1 raid0 multipath linear md_mod hid_generic usbhid hid sd_mod crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel pcbc radeon ahci libahci i2c_algo_bit ttm drm_kms_helper ohci_pci libata drm aesni_intel aes_x86_64 crypto_simd cryptd glue_helper r8168(OE) scsi_mod xhci_pci xhci_hcd ehci_pci ohci_hcd ehci_hcd i2c_piix4 usbcore usb_common video wmi button [ 997.275277] CPU: 1 PID: 147 Comm: kworker/u8:6 Tainted: G W OE 4.19.0-16-amd64 #1 Debian 4.19.181-1 [ 997.275278] Hardware name: System manufacturer System Product Name/A68HM-PLUS, BIOS 1701 05/25/2016 
[  997.275286] Workqueue: mt76x0 mt76x0_tx_stat [mt76x0]
[  997.275294] RIP: 0010:mt76_mac_fill_tx_status.isra.2+0x29e/0x2e0 [mt76x0]
[ 997.275296] Code: c8 20 e9 48 ff ff ff b8 08 00 00 00 e9 eb fe ff ff 48 c7 c7 80 ea e8 c0 89 4c 24 14 48 89 54 24 08 48 89 34 24 e8 7f 11 a8 c4 <0f> 0b 48 8b 34 24 48 8b 54 24 08 8b 4c 24 14 e9 cf fd ff ff 48 c7 
[  997.275297] RSP: 0018:ffffa00741117d98 EFLAGS: 00010246
[ 997.275299] RAX: 0000000000000024 RBX: ffffa00741117e09 RCX: 0000000000000006 [ 997.275301] RDX: 0000000000000000 RSI: 0000000000000082 RDI: ffff8ef4576966b0 [ 997.275302] RBP: 0000000000000003 R08: 0000000000000cd4 R09: 0000000000000004 [ 997.275303] R10: 0000000000000000 R11: 0000000000000001 R12: ffffa00741117e00 [ 997.275305] R13: 0000000000000009 R14: 00000000000000ff R15: ffffa00741117e69 [ 997.275307] FS: 0000000000000000(0000) GS:ffff8ef457680000(0000) knlGS:0000000000000000 
[  997.275308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 997.275309] CR2: 00007f409dffa000 CR3: 000000020c75a000 CR4: 00000000000406e0 
[  997.275311] Call Trace:
[  997.275322]  mt76x0_send_tx_status+0x7b/0x180 [mt76x0]
[  997.275330]  mt76x0_tx_stat+0x52/0x170 [mt76x0]
[  997.275336]  process_one_work+0x1a7/0x3a0
[  997.275339]  worker_thread+0x30/0x390
[  997.275342]  ? create_worker+0x1a0/0x1a0
[  997.275345]  kthread+0x112/0x130
[  997.275348]  ? kthread_bind+0x30/0x30
[  997.275352]  ret_from_fork+0x22/0x40
[  997.275355] ---[ end trace 42f0020d11a40ebc ]---
[  997.543137] mt76x0 1-5:1.0: Vendor request req:07 off:0518 failed:-71
[  997.819126] mt76x0 1-5:1.0: Vendor request req:06 off:0518 failed:-71
[  998.071128] mt76x0 1-5:1.0: Vendor request req:07 off:1798 failed:-71
[  998.343110] mt76x0 1-5:1.0: Vendor request req:07 off:1718 failed:-71

--- End Message ---
--- Begin Message --- 
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---
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