[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1876963
Title:
Broadcom [14e4:4320] BCM4306 (rev 03) Slow Wifi on Ubuntu Server 20.04
Status in linux package in Ubuntu:
Expired
Bug description:
Hi,
I am am experiencing slow wifi for a Linksys WMP54GS v1.0 wireless PCI
card with Ubuntu Server 20.04 installed, e.g. apt-get has taken 18
minutes 41 seconds to fetch 459Kb.
Following the advice from
https://ubuntuforums.org/showthread.php?t=2214110, I have installed
the firmware-b43-installer package. The card is recognised and is
sometimes allocated an IP. When it is connected, it is very slow.
Using the wireless-info tool the logs for the wireless system
configuration is given below. As shown in the logs the b43-pci-bridge
driver is outputting an error message concerning the swiotlb is full.
Has anybody managed to get the Linksys WMP54GS v1.0 card working
on Ubuntu Server 20.04 using the b43 firmware supplied in package
firmware-b43-installer?
Since the log was produced I have also tired setting the REG_DOMAIN in
/etc/default/crda but still does not work.
########## wireless info START ##########
Report from: 04 May 2020 09:24 UTC +0000
Booted last: 04 May 2020 00:00 UTC +0000
Script from: 22 Oct 2018 03:34 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 20.04 LTS
Release: 20.04
Codename: focal
##### kernel ############################
Linux 5.4.0-28-generic #32-Ubuntu SMP Wed Apr 22 17:40:10 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, maybe-ubiquity
##### desktop ###########################
sed: can't read /root/.dmrc: No such file or directory
Could not be determined.
##### lspci #############################
04:04.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
RTL-8100/8101L/8139 PCI Fast Ethernet Adapter [10ec:8139] (rev 10)
Subsystem: Packard Bell B.V. RTL-8100/8101L/8139 PCI Fast Ethernet Adapter
[1631:e035]
Kernel driver in use: 8139too
04:07.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4306
802.11b/g Wireless LAN Controller [14e4:4320] (rev 03)
Subsystem: Linksys WMP54GS v1.0 802.11g Wireless-G PCI Adapter with
SpeedBooster [1737:0015]
Kernel driver in use: b43-pci-bridge
##### lsusb #############################
Bus 001 Device 005: ID 040b:650a Weltrend Semiconductor
Bus 001 Device 004: ID 05e3:0606 Genesys Logic, Inc. USB 2.0 Hub / D-Link
DUB-H4 USB 2.0 Hub
Bus 001 Device 003: ID 0bda:0111 Realtek Semiconductor Corp. RTS5111 Card
Reader Controller
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 046a:010e Cherry GmbH USB Wireless Device
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
##### PCMCIA card info ##################
'pccardctl' is not installed (package "pcmciautils").
##### rfkill ############################
./wireless-info: line 192: rfkill: command not found
##### secure boot #######################
'mokutil' is not installed (package "mokutil").
##### lsmod #############################
b43 417792 0
cordic 16384 1 b43
bcma 65536 1 b43
mac80211 843776 1 b43
cfg80211 704512 2 b43,mac80211
libarc4 16384 1 mac80211
mxm_wmi 16384 1 nouveau
wmi 32768 2 mxm_wmi,nouveau
ssb 73728 1 b43
##### interfaces ########################
##### ifconfig ##########################
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
link/loopback <MAC address> brd <MAC address>
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth_lan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel
state DOWN group default qlen 1000
link/ether <MAC 'eth_lan0' [IF1]> brd <MAC address>
3: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN
group default qlen 1000
link/ether <MAC 'wlan0' [IF2]> brd <MAC address>
##### iwconfig ##########################
eth_lan0 no wireless extensions.
lo no wireless extensions.
wlan0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
##### route #############################
##### resolv.conf #######################
[777 root '/etc/resolv.conf' -> '../run/systemd/resolve/stub-
resolv.conf']
nameserver 127.0.0.53
options edns0
##### network managers ##################
Installed:
None found.
Running:
None found.
##### NetworkManager info ###############
NetworkManager is not installed (package "network-manager").
##### NetworkManager.state ##############
cat: /var/lib/NetworkManager/NetworkManager.state: No such file or
directory
##### NetworkManager config #############
[[/etc/NetworkManager/conf.d/10-ubuntu-fan.conf]]
[keyfile]
unmanaged-devices+=interface-name:fan-*
[[/usr/lib/NetworkManager/conf.d/no-mac-addr-change.conf]]
[device-mac-addr-change-wifi]
match-device=driver:rtl8723bs,driver:rtl8189es,driver:r8188eu,driver:8188eu,driver:eagle_sdio,driver:wl
wifi.scan-rand-mac-address=no
wifi.cloned-mac-address=preserve
ethernet.cloned-mac-address=preserve
##### NetworkManager profiles ###########
No NetworkManager profiles found.
##### Netplan config ####################
[/etc/netplan/broadcom.yaml]
network:
version: 2
renderer: networkd
ethernets:
enp4s4:
dhcp4: no
dhcp6: no
addresses: [192.168.2.107/24]
gateway4: 192.168.1.1
match:
macaddress: <MAC 'eth_lan0' [IF1]>
nameservers:
addresses: [192.168.1.1]
set-name: eth_lan0
optional: true
wifis:
wlan0:
dhcp4: no
dhcp6: no
addresses: [192.168.1.108/24]
gateway4: 192.168.1.1
nameservers:
addresses: [192.168.1.1]
access-points:
"An_Access_Point":
password: "Really?"
optional: true
##### iw reg get ########################
Region: Etc/UTC (based on set time zone)
global
country 00: DFS-UNSET
(2402 - 2472 @ 40), (N/A, 20), (N/A)
(2457 - 2482 @ 20), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN
(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, PASSIVE-SCAN
(5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN
(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW, PASSIVE-SCAN
(5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, PASSIVE-SCAN
(5735 - 5835 @ 80), (N/A, 20), (N/A), PASSIVE-SCAN
(57240 - 63720 @ 2160), (N/A, 0), (N/A)
##### iwlist channels ###################
eth_lan0 no frequency information.
lo no frequency information.
wlan0 14 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Channel 14 : 2.484 GHz
##### iwlist scan #######################
eth_lan0 Interface doesn't support scanning.
lo Interface doesn't support scanning.
wlan0 No scan results
##### module infos ######################
[b43]
filename:
/lib/modules/5.4.0-28-generic/kernel/drivers/net/wireless/broadcom/b43/b43.ko
firmware: b43/ucode9.fw
firmware: b43/ucode42.fw
firmware: b43/ucode40.fw
firmware: b43/ucode5.fw
firmware: b43/ucode30_mimo.fw
firmware: b43/ucode33_lcn40.fw
firmware: b43/ucode29_mimo.fw
firmware: b43/ucode26_mimo.fw
firmware: b43/ucode25_mimo.fw
firmware: b43/ucode25_lcn.fw
firmware: b43/ucode24_lcn.fw
firmware: b43/ucode16_mimo.fw
firmware: b43/ucode16_lp.fw
firmware: b43/ucode15.fw
firmware: b43/ucode14.fw
firmware: b43/ucode13.fw
firmware: b43/ucode11.fw
license: GPL
author: Rafał Miłecki
author: Gábor Stefanik
author: Michael Buesch
author: Stefano Brivio
author: Martin Langer
description: Broadcom B43 wireless driver
srcversion: 41D3ACA1C3C72C8F16113E5
depends: mac80211,ssb,bcma,cfg80211,cordic
retpoline: Y
intree: Y
name: b43
vermagic: 5.4.0-28-generic SMP mod_unload
sig_id: PKCS#7
signer: Build time autogenerated kernel key
sig_key: 42:A8:A9:98:8B:E6:F1:71:2C:AF:A3:32:4E:72:D5:45:3C:41:3F:7A
sig_hashalgo: sha512
signature: 49:FA:29:68:4A:A4:84:63:AD:55:D3:B5:F9:69:C1:67:E1:D7:B7:04:
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13:27:04:FB:80:6E:1C:A6:26:15:A1:50:4D:27:EC:B4:0E:04:6D:69:
CF:CF:5C:12:0D:9D:D4:27:D6:22:73:75:A3:99:63:AD:CF:9E:07:E0:
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DC:73:EB:79:C5:04:1F:51:6B:F0:44:C4
parm: bad_frames_preempt:enable(1) / disable(0) Bad Frames Preemption (int)
parm: fwpostfix:Postfix for the .fw files to load. (string)
parm: hwpctl:Enable hardware-side power control (default off) (int)
parm: nohwcrypt:Disable hardware encryption. (int)
parm: hwtkip:Enable hardware tkip. (int)
parm: qos:Enable QOS support (default on) (int)
parm: btcoex:Enable Bluetooth coexistence (default on) (int)
parm: verbose:Log message verbosity: 0=error, 1=warn, 2=info(default),
3=debug (int)
parm: pio:Use PIO accesses by default: 0=DMA, 1=PIO (int)
parm: allhwsupport:Enable support for all hardware (even it if overlaps with
the brcmsmac driver) (int)
[bcma]
filename: /lib/modules/5.4.0-28-generic/kernel/drivers/bcma/bcma.ko
license: GPL
description: Broadcom's specific AMBA driver
srcversion: 28BC6D6DBB15EC3F0F53EA3
depends:
retpoline: Y
intree: Y
name: bcma
vermagic: 5.4.0-28-generic SMP mod_unload
sig_id: PKCS#7
signer: Build time autogenerated kernel key
sig_key: 42:A8:A9:98:8B:E6:F1:71:2C:AF:A3:32:4E:72:D5:45:3C:41:3F:7A
sig_hashalgo: sha512
signature: 8C:AA:B3:2D:C2:80:67:6B:41:4B:D8:FB:B5:F1:E0:C6:B1:00:F3:FE:
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[mac80211]
filename: /lib/modules/5.4.0-28-generic/kernel/net/mac80211/mac80211.ko
license: GPL
description: IEEE 802.11 subsystem
srcversion: 903F9DC753D67350BFBEC9F
depends: cfg80211,libarc4
retpoline: Y
intree: Y
name: mac80211
vermagic: 5.4.0-28-generic SMP mod_unload
sig_id: PKCS#7
signer: Build time autogenerated kernel key
sig_key: 42:A8:A9:98:8B:E6:F1:71:2C:AF:A3:32:4E:72:D5:45:3C:41:3F:7A
sig_hashalgo: sha512
signature: 67:C8:FE:85:40:6F:21:7C:B3:C9:71:06:8D:1C:D5:95:47:06:7C:9D:
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49:E7:A5:0A:36:0F:53:8B:52:B4:1A:F1:C1:55:09:24:8C:31:3B:AF:
BE:50:D9:BD:6C:CC:7D:35:7B:33:25:8C:62:38:AB:6C:AD:A8:C1:89:
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7E:71:75:C7:30:0B:63:7E:93:D1:EF:10:DE:2C:1F:39:E2:69:64:35:
32:1F:BF:30:24:AA:28:79:3C:5E:1A:F4
parm: minstrel_vht_only:Use only VHT rates when VHT is supported by sta.
(bool)
parm: max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting
(reason 4). (int)
parm: max_probe_tries:Maximum probe tries before disconnecting (reason 4).
(int)
parm: beacon_loss_count:Number of beacon intervals before we decide beacon
was lost. (int)
parm: probe_wait_ms:Maximum time(ms) to wait for probe response before
disconnecting (reason 4). (int)
parm: ieee80211_default_rc_algo:Default rate control algorithm for mac80211
to use (charp)
[cfg80211]
filename: /lib/modules/5.4.0-28-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: 8795FC14A499B3F7A2F6AD8
depends:
retpoline: Y
intree: Y
name: cfg80211
vermagic: 5.4.0-28-generic SMP mod_unload
sig_id: PKCS#7
signer: Build time autogenerated kernel key
sig_key: 42:A8:A9:98:8B:E6:F1:71:2C:AF:A3:32:4E:72:D5:45:3C:41:3F:7A
sig_hashalgo: sha512
signature: 5C:D8:AC:A2:FD:65:17:DB:37:3C:41:4F:49:45:94:86:F4:B3:EF:B0:
6F:CF:F7:C7:27:AA:1A:4A:E8:AC:88:C7:BA:D6:71:B9:64:E4:08:16:
33:A0:CB:BF:A7:A0:9F:33:14:66:1E:A9:61:42:72:50:04:85:79:8D:
97:36:57:F4:45:04:2C:80:4D:B4:37:EE:D6:CC:A5:D0:43:95:0A:DC:
AB:F2:13:D7:45:73:B8:85:CF:6B:0C:BA:FB:79:20:97:8F:AE:72:E9:
18:0D:D6:64:2D:99:BB:62:A1:23:28:50:4B:B6:69:07:56:FE:F9:C5:
99:78:95:94:A4:E0:79:36:27:DF:66:48:C4:D8:CF:86:29:12:5E:CF:
CD:40:FF:DC:92:44:9A:1D:A5:57:08:81:5B:A0:0D:2D:42:35:30:0E:
76:90:8F:D7:E6:8F:66:04:22:3E:CF:C3:99:4C:7B:F2:CE:8A:54:D6:
83:45:EB:82:3A:CB:E4:26:E3:C8:73:97:06:C2:EB:71:A5:38:75:53:
AC:5D:2E:DD:8B:68:DE:1C:F8:43:35:C2:B1:C5:E5:19:01:9B:F1:23:
87:74:D0:64:50:AD:CE:AE:B4:D7:34:67:DB:40:1E:8F:12:D2:D5:E9:
F7:B6:BD:0E:64:87:24:52:BC:00:15:33:04:08:00:E6:DE:42:54:AA:
FC:BC:1D:BF:4F:6B:73:AD:77:F7:37:22:C0:C9:D6:A3:CA:D9:02:83:
54:4B:DA:51:84:AD:84:3A:F8:34:27:79:42:E9:CD:4F:74:65:8C:F2:
43:A5:26:6F:F1:20:B3:29:29:5C:C2:16:4C:ED:DB:EE:CD:B6:AD:5E:
C0:E6:C0:54:4D:F9:A7:90:04:38:60:48:51:B2:CA:5D:7D:06:E4:44:
71:29:C4:73:62:50:4C:30:D6:41:B5:B3:47:71:21:1E:A6:22:AB:19:
9B:56:28:B1:FB:CD:77:0E:30:71:7B:AD:2C:BD:57:7E:9C:EF:42:75:
4F:E3:17:44:15:FF:3E:0C:F9:AB:5A:3C:EB:DA:7C:42:41:6B:CE:A9:
F0:7E:A5:1D:C4:64:7B:17:D9:51:5E:62:5E:7F:AF:D5:99:F3:AE:02:
50:65:E7:7F:61:AF:54:9B:8D:EF:F0:A4:01:C6:51:84:AE:41:8D:F4:
7F:E7:B1:C0:D3:E2:F2:BA:38:48:52:A0:FC:B4:BA:F8:0C:C1:BB:66:
2D:D1:65:2B:A9:C6:2E:1D:D7:C5:90:61:D1:60:9D:54:B8:E9:7C:C2:
1D:3B:D3:51:5B:CC:F7:92:2B:12:86:4C:EC:FB:BD:E7:E3:D5:1A:EC:
9B:BA:C5:AA:2A:31:0D:73:AD:56:BA:77
parm: bss_entries_limit:limit to number of scan BSS entries (per wiphy,
default 1000) (int)
parm: ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm: cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band
(bool)
[ssb]
filename: /lib/modules/5.4.0-28-generic/kernel/drivers/ssb/ssb.ko
license: GPL
description: Sonics Silicon Backplane driver
srcversion: 571863F88D3D9D6896EF515
depends:
retpoline: Y
intree: Y
name: ssb
vermagic: 5.4.0-28-generic SMP mod_unload
sig_id: PKCS#7
signer: Build time autogenerated kernel key
sig_key: 42:A8:A9:98:8B:E6:F1:71:2C:AF:A3:32:4E:72:D5:45:3C:41:3F:7A
sig_hashalgo: sha512
signature: BF:46:28:D0:56:45:F6:88:3A:EC:C6:2D:AE:E2:E0:64:DE:B8:5C:78:
98:6C:87:09:7A:0E:27:89:F3:00:87:5E:B6:C7:81:86:BF:C3:F3:5D:
F4:69:0C:C8:76:23:7A:31:38:4D:C0:24:7A:5C:B3:9E:CB:11:40:2D:
27:4C:CA:42:56:2B:4B:94:F4:66:8F:EF:9F:05:C0:59:96:40:A3:7A:
15:FF:9D:2B:2E:0A:00:2E:9C:DF:CB:94:41:A9:E3:8E:BD:52:97:B0:
6A:12:4D:0D:4E:14:77:E8:5B:6A:E0:93:F2:70:D9:83:79:52:A7:C4:
F9:B9:0E:1B:E2:DB:C8:01:5E:B1:38:A9:FC:01:91:03:E9:06:4A:55:
60:AC:E0:73:FB:8D:7C:AA:20:6F:B9:F6:43:1D:4A:22:F6:E1:76:72:
63:CA:BE:11:A0:E8:75:F4:4C:69:6B:D7:68:36:FC:6D:19:2E:69:FE:
E5:D6:DB:57:E1:EE:84:66:88:32:44:6A:CB:C8:45:CC:F6:35:9F:E0:
69:46:17:5B:04:43:1B:50:18:6E:AE:D8:34:73:2E:9B:99:4E:CA:78:
A9:C3:5A:CC:4D:F7:39:4C:E2:67:E6:93:DE:3F:5D:67:E9:6F:0B:B6:
43:55:62:36:80:43:E0:6F:F1:C6:8C:B9:5D:3F:EE:59:16:5D:7A:B2:
3B:B7:7C:E5:C6:E4:21:E8:A5:A1:60:55:FE:1C:49:20:F9:14:52:7A:
AD:05:2E:56:31:0E:38:E5:77:19:C5:84:56:86:23:40:09:E9:AF:7C:
54:25:16:44:8E:25:AA:B1:52:9F:2F:53:62:EA:77:C4:48:87:16:DF:
F6:80:D6:59:06:C9:79:35:DE:A6:7E:12:74:EE:AB:CF:FC:EA:AD:45:
85:A9:AD:20:18:E1:60:0D:D0:C9:9C:35:22:55:F4:A6:AE:87:3E:F2:
86:64:70:23:61:DF:F8:A0:66:8A:2E:BC:E6:F6:69:1A:66:B3:82:AC:
06:5A:32:7A:B2:69:1D:83:73:C5:56:26:C1:D4:91:E5:EF:41:45:76:
F9:43:64:1D:2E:F8:13:DA:D9:3C:9B:A0:A5:DA:37:01:52:54:EB:95:
90:22:52:50:DE:FB:B0:C7:B1:31:CA:CA:97:55:12:43:22:6B:15:45:
C6:0E:46:88:79:37:97:E1:AF:FC:FE:3A:87:C4:9E:84:30:FB:9E:F5:
EF:D8:55:C3:A5:33:2F:10:A3:AD:A5:C8:EF:89:5C:14:CB:86:55:CF:
A0:47:77:55:BF:56:B8:4E:83:60:6C:8C:1C:7A:35:BE:DE:37:05:69:
5C:46:CA:BF:6B:61:A5:57:07:D1:DF:62
##### module parameters #################
[b43]
allhwsupport: 0
bad_frames_preempt: 0
btcoex: 1
hwpctl: 0
hwtkip: 0
nohwcrypt: 0
pio: 0
qos: 1
verbose: 2
[mac80211]
beacon_loss_count: 7
ieee80211_default_rc_algo: minstrel_ht
max_nullfunc_tries: 2
max_probe_tries: 5
minstrel_vht_only: Y
probe_wait_ms: 500
[cfg80211]
bss_entries_limit: 1000
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00
##### /etc/modules ######################
##### modprobe options ##################
[/etc/modprobe.d/amd64-microcode-blacklist.conf]
blacklist microcode
[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci
[/etc/modprobe.d/blacklist.conf]
blacklist evbug
blacklist usbmouse
blacklist usbkbd
blacklist eepro100
blacklist de4x5
blacklist eth1394
blacklist snd_intel8x0m
blacklist snd_aw2
blacklist prism54
blacklist bcm43xx
blacklist garmin_gps
blacklist asus_acpi
blacklist snd_pcsp
blacklist pcspkr
blacklist amd76x_edac
[/etc/modprobe.d/blacklist-rare-network.conf]
alias net-pf-3 off
alias net-pf-6 off
alias net-pf-9 off
alias net-pf-11 off
alias net-pf-12 off
alias net-pf-19 off
alias net-pf-21 off
alias net-pf-36 off
[/etc/modprobe.d/intel-microcode-blacklist.conf]
blacklist microcode
[/etc/modprobe.d/iwlwifi.conf]
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod)
\
&& /sbin/modprobe -r mac80211
[/etc/modprobe.d/mdadm.conf]
options md_mod start_ro=1
##### rc.local ##########################
grep: /etc/rc.local: No such file or directory
##### pm-utils ##########################
##### udev rules ########################
##### dmesg #############################
[ 164.945040] b43-pci-bridge 0000:04:07.0: swiotlb buffer is full (sz: 55
bytes), total 0 (slots), used 0 (slots) (repeated 3 times)
[ 170.386492] b43-pci-bridge 0000:04:07.0: swiotlb buffer is full (sz: 2390
bytes), total 0 (slots), used 0 (slots)
[ 170.721054] b43-pci-bridge 0000:04:07.0: swiotlb buffer is full (sz: 55
bytes), total 0 (slots), used 0 (slots) (repeated 25 times)
[ 184.018861] b43-pci-bridge 0000:04:07.0: swiotlb buffer is full (sz: 2390
bytes), total 0 (slots), used 0 (slots) (repeated 2 times)
[ 184.085059] b43-pci-bridge 0000:04:07.0: swiotlb buffer is full (sz: 55
bytes), total 0 (slots), used 0 (slots) (repeated 2 times)
[ 184.873686] wlan0: authenticate with <MAC address>
[ 184.941255] wlan0: send auth to <MAC address> (try 1/3)
[ 185.145038] wlan0: send auth to <MAC address> (try 2/3)
[ 185.349031] wlan0: send auth to <MAC address> (try 3/3)
[ 185.553030] wlan0: authentication with <MAC address> timed out
[ 190.681068] b43-pci-bridge 0000:04:07.0: swiotlb buffer is full (sz: 55
bytes), total 0 (slots), used 0 (slots) (repeated 20 times)
[ 201.953137] b43-pci-bridge 0000:04:07.0: swiotlb buffer is full (sz: 2390
bytes), total 0 (slots), used 0 (slots)
[ 202.029042] b43-pci-bridge 0000:04:07.0: swiotlb buffer is full (sz: 55
bytes), total 0 (slots), used 0 (slots) (repeated 3 times)
[ 202.801540] wlan0: authenticate with <MAC address>
[ 202.869198] wlan0: send auth to <MAC address> (try 1/3)
[ 203.073029] wlan0: send auth to <MAC address> (try 2/3)
[ 203.205156] wlan0: authenticated
[ 203.209044] wlan0: associate with <MAC address> (try 1/3)
[ 203.413034] wlan0: associate with <MAC address> (try 2/3)
[ 203.617031] wlan0: associate with <MAC address> (try 3/3)
[ 203.821033] wlan0: association with <MAC address> timed out
[ 207.075792] b43-pci-bridge 0000:04:07.0: swiotlb buffer is full (sz: 2390
bytes), total 0 (slots), used 0 (slots) (repeated 3 times)
[ 213.941055] b43-pci-bridge 0000:04:07.0: swiotlb buffer is full (sz: 55
bytes), total 0 (slots), used 0 (slots) (repeated 10 times)
[ 221.685074] b43-pci-bridge 0000:04:07.0: swiotlb buffer is full (sz: 45
bytes), total 0 (slots), used 0 (slots) (repeated 10 times)
########## wireless info END ############
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