strike that; i've already got it downloaded. here's precise with the 3.1.0 kernel; booting fine with the b43 module loading.
ben@tecumseh:~$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS" ben@tecumseh:~$ cat /proc/cmdline BOOT_IMAGE=/vmlinuz-3.1.0-030100-generic root=UUID=ec1fde3e-cf25-49df-a729-b4e2b01281eb ro ben@tecumseh:~$ lsmod | grep b43 b43 322846 0 mac80211 405552 1 b43 cfg80211 167429 2 b43,mac80211 bcma 20232 1 b43 ssb 46176 2 b43,b44 ben@tecumseh:~$ dmesg | grep b43 [ 2.344843] b43-pci-bridge 0000:06:02.0: enabling device (0000 -> 0002) [ 2.344877] b43-pci-bridge 0000:06:02.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 [ 2.344897] b43-pci-bridge 0000:06:02.0: setting latency timer to 64 [ 17.124612] b43-phy0: Broadcom 4318 WLAN found (core revision 9) [ 17.300035] Registered led device: b43-phy0::tx [ 17.300122] Registered led device: b43-phy0::rx [ 17.300188] Registered led device: b43-phy0::radio [ 19.839269] b43-phy0 ERROR: Firmware file "b43/ucode5.fw" not found [ 19.839345] b43-phy0 ERROR: Firmware file "b43-open/ucode5.fw" not found [ 19.839415] b43-phy0 ERROR: You must go to http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware and download the correct firmware for this driver version. Please carefully read all instructions on this website. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/950295 Title: acer laptop hangs during boot process; 12.04 - b43 driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/950295/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs