Re: EHCI Kernel Panic w/ 5.2.1-RELEASE Kernel

From: Daan Vreeken [PA4DAN] (Danovitsch_at_Vitsch.net)
Date: 11/01/04

  • Next message: Yury Tarasievich: "serial ATA support?" 
    To: martes.wigglesworth@earthlink.net
Date: Mon, 1 Nov 2004 17:23:03 +0100

    On Monday 01 November 2004 16:09, Martes Wigglesworth wrote:
    > My kernel panic seems to come from the usb port actually having a device
    > in the port, at boot. When I do not have a device in the port, bootup
    > continues, however, my usb ports are not usable. This is my dmesg
    > output.
    >
    > > dmesg|grep usb
    >
    > usb0: <Intel 82801DB (ICH4) USB controller USB-A> on uhci0
    > usb0: USB revision 1.0
    > usb1: <Intel 82801DB (ICH4) USB controller USB-B> on uhci1
    > usb1: USB revision 1.0
    > usb2: <Intel 82801DB (ICH4) USB controller USB-C> on uhci2
    > usb2: USB revision 1.0
    Over a week ago I discovered a bug in the UHCI driver that causes problems
    when devices are plugged in during boot. I filed a PR with a patch that has
    been taken into the UHCI driver in -CURRENT :
    http://www.freebsd.org/cgi/query-pr.cgi?pr=73000

    Can you try the patch that's at the end of the PR on your system? (It should
    patch without a problem on 5.2.1-RELEASE).
    I'm not sure if it fixes your problem since your problem seems to be
    EHCI-related, but you never know.

    Good luck,
    Daan

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  • Next message: Yury Tarasievich: "serial ATA support?"

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