Messages in this thread | | | Date | Wed, 1 Nov 2006 21:56:34 -0700 | From | Matthew Wilcox <> | Subject | Re: [PATCH]: PCI Error Recovery: Symbios SCSI device driver |
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On Wed, Nov 01, 2006 at 09:46:33PM -0700, Grant Grundler wrote: > ISTR some chipsets return 0 or the most recent data on the bus > when INB/INW master-abort. Maybe this an ISA bus behavior?
It's not a master-abort; it won't get as far as the device. Documentation/pci-error-recovery.txt says reads return 0xffffffff.
> Or is config space access the only space which behaves this way > for master abort on PCI? > I'm looking at drivers/pci/probe.c:pci_scan_device().
As the comment says, the boards which do this are broken. It's highly unlikely those boards will support error isolation and recovery ;-) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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