Re: wireless, ndis problems on Compaq TC1000 Tablet running 6-STABLE

From: Milan Obuch (stable_at_dino.sk)
Date: 11/30/05

  • Next message: Kevin Oberman: "Re: Unable to set device characteristics with devd" 
    To: freebsd-stable@freebsd.org
Date: Wed, 30 Nov 2005 00:03:20 +0100

    On Tuesday 29 November 2005 21:39, John Nielsen wrote:
    > After successfully installing FreeBSD 6.0 on a Compaq TC1000 Tablet PC (and
    > updating it to yesterday's -STABLE), I am trying to get the built-in
    > wireless to work. The wi(4) driver does not attach to it. Under Windows,
    > the card shows up as a "Compaq 802.11b WLAN Mini-PCI" card (although it is
    > not in the user-accessible Mini-PCI slot). Pciconf gives this:
    >
    > none4@pci0:10:0: class=0x020000 card=0x00d30e11 chip=0x05061114
    > rev=0x11 hdr=0x00
    > vendor = 'Atmel Corp.'
    > device = 'AT76C506 802.11b Wireless Network Adaptor'
    > class = network
    > subclass = ethernet
    >
    > (Full pciconf -lv output attached).
    >
    > My first question: is there a chance it would be trivial to make this card
    > work with the wi(4) driver? ISTR reading this morning that this was a
    > Prism chip, although now I can't find that again.
    >

    Your pciconf output shows actual device - AT76C506. Unfortunately, data***
    available only under NDA, driver available only for Linux (see at
    atmelwlandriver.sf.net). Need binary firmware as well... I would like to see
    it supported, but I see no way without much work.

    > Undaunted, I moved on to ndis(4). Using wine(1), I was able to extract a
    > driver from SP23100.exe, obtained from hp's website.[1] I fed
    > netcwl200.inf and cwl200.sys to ndisgen(8), and was rewarded with a
    > successfully compiled cwl200_sys.ko.
    >
    > Unfortunately, the machine panics as soon as the module is loaded, with the
    > following output (transcribed by hand, typos possible):
    >

    All I got was just the same, maybe not exactly, but gross outcome is it does
    not work. Out of ideas, no help. Sorry.

    > tablet# kldload cwl200_sys
    > isab1: <PCI-ISA bridge> at device 7.4 on pci0
    > device_attach: isab1 attach returned 6
    > no match for swprintf
    > isab1: <PCI-ISA bridge> at device 7.4 on pci0
    > device_attach: isab1 attach returned 6
    > ndis0: <Compaq 802.11b WLAN Mini-PCI> port 0x1c00-0x1cff mem
    > 0xe8030000-0xe803ffff at device 10.0 on pci0
    > ndis0: NDIS API version: 5.1
    > ntoskrnl dummy called...
    > ntoskrnl dummy called...
    >
    >
    > Fatal trap 12: page fault while in kernel mode
    > fault virtual address = 0x0
    > fault code = supervisor write, page not present
    > instruction pointer = 0x20:0xc3bf70d8
    > stack pointer = 0x28:0xd6cbc62c
    > frame pointer = 0x28:0xd6cbc844
    > code segment = base 0x0, limit 0xfffff, type 0x1b
    > = DPL 0, pres 1, def32 1, gran 1
    > processor eflags = interrupt enabled, resume, IOPL = 0
    > current process = 571 (kldload)
    > trap number = 12
    > panic: page fault
    >
    > Which leads to my second question: should ndis be expected to work with
    > this device? Assuming the answer is yes, what else can I do to track down
    > the problem? A complete (verbose) dmesg from the system is attached.
    >
    > Any input will be much appreciated. Thanks!
    >
    > JN
    >
    > [1] See
    > http://h18007.www1.hp.com/support/files/Compaqtabletpc/us/download/19836.ht
    >ml

    By the way, how did you install 6.0 there? I am working with TC1000 too, but
    it looks almost impossible to install FreeBSD without keyboard. Just would
    like to know possibilities - I tried 7.0 but ACPI does not work (does not
    boot even, only with ACPI disabled).
    Regards,
    Milan
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