Date: Wed, 06 Dec 2000 15:35:42 -0800 From: Mike Smith <msmith@freebsd.org> To: Poul-Henning Kamp <phk@freebsd.org> Cc: current@freebsd.org, nsayer@freebsd.org Subject: Re: USB related commit leads to hung systems if USB-IRQ=Disabled in BIOS Message-ID: <200012062335.eB6NZgF00739@mass.osd.bsdi.com> In-Reply-To: Your message of "Thu, 07 Dec 2000 00:13:50 %2B0100." <55031.976144430@critter>
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>
> In my bios I have PnPOS=NO, USB-IRQ=Disabled.
>
> The commit below results in a PCI interrupt storm and a terminally
> wedged system right after interrupts are enabled.
This would be a bug in the UHCI or OHCI driver then. You can avoid it by
not running the driver.
> Poul-Henning
>
> | nsayer 2000/12/03 09:07:24 PST
> |
> | Modified files:
> | sys/pci ohci_pci.c uhci_pci.c
> | Log:
> | We now have the ability to assign the correct IRQ when PNP-OS is turned
> | on. So stop failing the attach if the IRQ is unassigned. With this
> | patch, I can now boot with PNP-OS YES in my BIOS no differently than
> | PNP-OS NO (which is a good thing since Windows hangs with PNP-OS NO).
> |
> | Obtained from: msmith
> |
> | Revision Changes Path
> | 1.21 +1 -11 src/sys/pci/ohci_pci.c
> | 1.32 +1 -11 src/sys/pci/uhci_pci.c
>
> --
> Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
> phk@FreeBSD.ORG | TCP/IP since RFC 956
> FreeBSD committer | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by incompetence.
>
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