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SubjectRe: ide-scsi + /dev/dsp == solid lockup
On Sun, Oct 15, 2000 at 01:31:31AM -0400, Leigh Orf wrote:
> the motherboard, by chance I found the word "concurrency" here:
>
> Passive Release (Enabled)
>
> This is a mechanism that allows concurrency of ISA/EISA
> cycles and CPU-to-PCI cycles. When this feature is enabled,
> the TXC will be possible to re-arbitrate the PCI bus and
> allow the CPU to access PCI even when the PCEB has been
> granted the bus.
>
> My soundcard is an ISA device. I disabled this setting in the bios. Here
> is a diff on the lspci output before & after the bios reset. Note this
> is the ISA bridge that had a bit tweaked, not the host bridge.

There is already a 'passive release' quirk in drivers/pci/quirks.c:

(line 24:void __init quirk_passive_release(struct pci_dev *dev))
(line 242:{ PCI_FIXUP_FINAL, PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82441, quirk_passive_release },)

Maybe you should add your chipset to this list?

Cheers//Frank

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