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    SubjectRe: quirk_usb_disable_ehci takes 2x 1.5s on boot
    On 6.1.2009 01:36, Robert Hancock wrote:
    > Jiri Slaby wrote:
    >> I don't know since which moment (maybe I changed something in bios,
    >> but usb
    >> legacy kbd was ever enabled), but quirk_usb_disable_ehci takes for
    >> both of my
    >> ehci controllers 1.5 s.
    >> More precisely, the time is spent in
    >> pci_write_config_byte(pdev, offset + 3, 1);
    >> by
    >> outb((u8)value, 0xCFC + (reg & 3));
    >> from pci_conf1_write deep in the callstack.
    >> Is there any workaround known or something. Turning legacy usb off is
    >> not an
    >> option, I want to control grub.
    > Most likely the PCI config space write is causing some SMM trap and the
    > BIOS is taking forever to do whatever it's doing. It doesn't report that
    > the handoff failed, though?

    Some time ago there was something like that:
    I haven't seen it since that time.

    > I'd look for a BIOS update..

    I can't find any, bad luck. It's some kind of testing machine sample...

    Nevermind, it obviously doesn't occur during kexeced kernel bootup, I
    can live with that :).

     \ /
      Last update: 2009-02-24 14:35    [W:0.022 / U:114.872 seconds]
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