Re: Panic very late in shutdown sequence in amd64 Dom0

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Tue, Dec 17, 2013 at 09:41:11AM +0700, Robert Elz wrote:
> [...]
> The problem turns out to be that wm_intr() (from dev/pci/if_wm.c) is
> being called way after the driver has supposedly been shut down and has
> released all of its bus mappings - when wm_intr() attempts the CSR_READ() to
> access the WMREG_ICR to find out the cause of the interrupt (and if it
> is really even a wm interrupt, or belongs to someone else) - BOOM.
> There is no bus space left mapped any more, and (as it should) the
> access faults.

it's probably because the *intr_disestablish functions for Xen are all NOPs ...

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
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