kern/56570: ehci panic on boot

To: kern-bug-people%netbsd.org@localhost,gnats-admin%netbsd.org@localhost,netbsd-bugs%netbsd.org@localhost
Subject: kern/56570: ehci panic on boot
From: gson%gson.org@localhost (Andreas Gustafsson)
Date: Thu, 23 Dec 2021 08:00:01 +0000 (UTC)

>Number:         56570
>Category:       kern
>Synopsis:       ehci panic on boot
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 23 08:00:01 +0000 2021
>Originator:     Andreas Gustafsson
>Release:        NetBSD-current, source date 2021.12.22.21.45.02
>Organization:
  
>Environment:
System: NetBSD
Architecture: x86_64
Machine: amd64
>Description:

After yesterday's ehci changes, my HP ProLiant DL360 G7 panics on boot:

  [   1.0995223] panic: kernel diagnostic assertion "BUS_ADDR_HI32(DMAADDR(&sc->sc_fldma, 0)) == 0" failed: file "/tmp/build/2021.12.22.21.45.02-amd64-baremetal/src/sys/dev/usb/ehci.c", line 556

Full dmesg:

  https://www.gson.org/netbsd/bugs/build/amd64-baremetal/2021/2021.12.22.21.45.02/install.log

>How-To-Repeat:

>Fix:

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