I have the same problem, my card stopped working after the upgrade to the new kernel.
~$ uname -a Linux draco 2.6.20-11-386 #2 Thu Mar 15 07:58:11 UTC 2007 i686 GNU/Linux ~$ lspci 00:00.0 Host bridge: Intel Corporation 82830 830 Chipset Host Bridge (rev 04) 00:01.0 PCI bridge: Intel Corporation 82830 830 Chipset AGP Bridge (rev 04) 00:1d.0 USB Controller: Intel Corporation 82801CA/CAM USB (Hub #1) (rev 02) 00:1d.1 USB Controller: Intel Corporation 82801CA/CAM USB (Hub #2) (rev 02) 00:1d.2 USB Controller: Intel Corporation 82801CA/CAM USB (Hub #3) (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 42) 00:1f.0 ISA bridge: Intel Corporation 82801CAM ISA Bridge (LPC) (rev 02) 00:1f.1 IDE interface: Intel Corporation 82801CAM IDE U100 (rev 02) 00:1f.3 SMBus: Intel Corporation 82801CA/CAM SMBus Controller (rev 02) 00:1f.5 Multimedia audio controller: Intel Corporation 82801CA/CAM AC'97 Audio Controller (rev 02) 01:00.0 VGA compatible controller: S3 Inc. SuperSavage IX/C SDR (rev 05) 02:00.0 CardBus bridge: Texas Instruments PCI1420 02:00.1 CardBus bridge: Texas Instruments PCI1420 02:02.0 Communication controller: Agere Systems WinModem 56k (rev 01) 02:08.0 Ethernet controller: Intel Corporation 82801CAM (ICH3) PRO/100 VE (LOM) Ethernet Controller (rev 42) 03:00.0 Network controller: Intersil Corporation ISL3890 [Prism GT/Prism Duette]/ISL3886 [Prism Javelin/Prism Xbow] (rev 01) and in dmesg : [ 449.284000] p54: LM86 firmware [ 450.608000] 0000:03:00.0 (prism54pci): Cannot read eeprom! [ 450.608000] ACPI: PCI interrupt for device 0000:03:00.0 disabled [ 450.608000] prism54pci: probe of 0000:03:00.0 failed with error -22 The light on the card is never on and the interface is never listed when running ifconfig and iwconfig (used to be eth1) . -- Please reenable CONFIG_PRISM54 again https://launchpad.net/bugs/85315 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs