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    SubjectRe: ATI RS480-based motherboard: stuck while booting with kernel >= 2.6.15 rc1
    	Subject: Re: ATI RS480-based motherboard: stuck while booting with kernel >= 2.6.15 rc1
    Date: sab 21 gen 06 11:55:46 -0800

    Quoting Andrew Morton (

    > > and 1002:4373 is the USB2 (EHCI) controller. I attach the output of
    > > lspci -vx. Even with, I have problems with USB. It did not
    > > work at all, then I downloaded the latest bios, and now, right after
    > > boot, usb works OK.
    > OK, so it sounds like quirk_usb_disable_ehci() caused your machine to hang
    > with the old BIOS. That's fairly bad behaviour from the kernel, even
    > though the BIOS presumably had some problems.

    It did not hang. When inserting USB disks, I got messages like:

    ehci_hcd 0000:00:13.2: Unlink after no-IRQ? Controller is probably using the wrong IRQ.
    usb 1-1: device not accepting address 2, error -110

    and the usb-storage module was not loaded. But the kernel went on
    working. After upgrading the BIOS, with the same kernel, the USB disk
    was recognized. But I now notice that the log file, with both old and
    new BIOS, contains these lines:

    ehci_hcd 0000:00:13.2: BIOS handoff failed (160, 01010001)
    ehci_hcd 0000:00:13.2: continuing after BIOS bug...
    ehci_hcd 0000:00:13.2: new USB bus registered, assigned bus number 1
    ehci_hcd 0000:00:13.2: irq 18, io mem 0xfe02b000
    ehci_hcd 0000:00:13.2: USB 2.0 initialized, EHCI 1.00, driver 10 Dec 2004

    (only, the IRQ number changed from 10 to 18 after changing BIOS)

    > Can you please gather some more details on this and prepare a new report?
    > The full demsg output, machine description, etc. It might be best to do
    > this via a new record so we know where to find
    > it.

    I will try that. I saw on apic.c that APIC error 40 should mean
    'received illegal vector,' but I have no clue about how to interpret

    I will now play a bit with BIOS USB parameters.


    * Se la Strada e la sua Virtu' non fossero state messe da parte,
    * K * Carlo E. Prelz - che bisogno ci sarebbe
    * di parlare tanto di amore e di rettitudine? (Chuang-Tzu)
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