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https://bbs.archlinux.org/viewtopic.php?id=230381
Sep 29, 2017 · [SOLVED] No wifi on my Broadcom b43 wifi card after Linux update After last update, I ended up with no wifi on my Dell Latitude E4300 Laptop. Wifi card uses a broadcom b43 , that I've always managed to configure using b43-fwcutter core pakage and b43-firmaware on the AUR.
https://pastebin.com/eidddAdR
b43-phy0 ERROR: This device does not support DMA on your system. Please use PIO instead. ... CONFIG_B43_FORCE_PIO must be set in your kernel configuration. b43-phy0 ERROR: Fatal DMA error: 0x00000800, 0x00000000, 0x00000000, 0x00000400, 0x00000000, 0x00000000. b43-phy0 ERROR: This device does not support DMA on your system. Please use PIO instead.
https://www.linuxquestions.org/questions/linux-wireless-networking-41/unable-to-connect-to-wireless-network-broadcom-bmc3412-arch-linux-852109/
Jan 03, 2011 · Unable to connect to wireless network Broadcom BMC3412(?) Arch linux I've installed the correct drivers with fwcutter, and went through the steps with iwconfig, but when I tried obtaining an IP address with dhcpcd, it times out.
http://www.itboth.com/d/ei2qi2/wifi-ubuntu
[ 21.681173] b43-phy0 ERROR: Fatal DMA error: 0x00000400, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 [ 21.681176] b43-phy0 ERROR: This device does not support DMA on your system. Please use PIO instead.
https://forums.linuxmint.com/viewtopic.php?f=53&t=223778&start=20
Jun 26, 2016 · [ 124.108221] b43-phy0 ERROR: DMA RX reset timed out [ 124.296200] b43-phy0 ERROR: DMA RX reset timed out [ 124.320180] ssd: Timeout waiting for bitmask 01800000 on register 0F90 to clear. [ 124.868019] ssd: Timeout waiting for bitmask 01800000 on register 0F90 to clear. I do not get the above message when i restart from a connected Wi-Fi.
https://askubuntu.com/questions/592191/error-during-startup-b43-phy0-unsupported-phy
This message derives from my Broadcom BCM4313 wireless chip. The crucial question is: does your wifi work or not? Although I get this message at startup, my wifi works flawlessly. Every attempt to make the message disappear, ended in nothing or a non-working wifi.
http://www.murga-linux.com/puppy/viewtopic.php?p=428219
Jun 20, 2010 · b43-phy0 ERROR: This device does not support DMA on your system. Please use PIO instead. b43-phy0 ERROR: CONFIG_B43_FORCE_PIO must be set in your kernel configuration.
http://lkml.iu.edu/hypermail/linux/kernel/0910.1/03071.html
[ 45.527782] b43-phy0: Loading firmware version 478.104 (2008-07-01 00:50:23) [ 45.595983] b43-phy0 ERROR: The machine/kernel does not support the required 30-bit DMA mask [ 46.731628] b43-phy0 ERROR: Microcode not responding
https://pastebin.com/RMMN41Td
[ 98.596056] b43-phy0 ERROR: Fatal DMA error: 0x00000800, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 [ 98.596066] b43-phy0 ERROR: This device does not support DMA on your system. Please use PIO instead.
http://www.voidcn.com/article/p-ubqkvasb-bbe.html
[ 21.681173] b43-phy0 ERROR: Fatal DMA error: 0x00000400, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 [ 21.681176] b43-phy0 ERROR: This device does not support DMA on your system. Please use PIO instead.
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