Re: kern/54899 (crash DIAGNOSTIC in extent_alloc_region in ahd driver attach)

To: kern-bug-people%netbsd.org@localhost,netbsd-bugs%netbsd.org@localhost,gnats-admin%netbsd.org@localhost,kardel%NetBSD.org@localhost,kardel%netbsd.org@localhost
Subject: Re: kern/54899 (crash DIAGNOSTIC in extent_alloc_region in ahd driver attach)
From: kardel%NetBSD.org@localhost
Date: Thu, 5 Aug 2021 05:36:11 +0000 (UTC)

Synopsis: crash DIAGNOSTIC in extent_alloc_region in ahd driver attach

State-Changed-From-To: open->closed
State-Changed-By: kardel%NetBSD.org@localhost
State-Changed-When: Thu, 05 Aug 2021 05:36:10 +0000
State-Changed-Why:
BIOS bug
BIOS maps 64-bit BAR to 0x4000000000000000 behind
a 32-bit bridge.
Workaround: disable memory mappped io

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