NetBSD Problem Report #56654

From www@netbsd.org  Sun Jan 23 08:22:13 2022
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Date: Sun, 23 Jan 2022 08:22:11 +0000 (UTC)
From: nia@pkgsrc.org
Reply-To: nia@pkgsrc.org
To: gnats-bugs@NetBSD.org
Subject: xhci:  panic: kernel diagnostic assertion "xr != NULL" failed: file "/usr/src/sys/dev/usb/xhci.c", line 2351
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>Number:         56654
>Category:       kern
>Synopsis:       xhci:  panic: kernel diagnostic assertion "xr != NULL" failed: file "/usr/src/sys/dev/usb/xhci.c", line 2351
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jan 23 08:25:00 +0000 2022
>Originator:     nia
>Release:        9.99.93
>Organization:
The NetBSD Foundation
>Environment:
NetBSD amnesia 9.99.93 NetBSD 9.99.93 (GENERIC) #0: Wed Dec 29 07:40:52 UTC 2021  mkrepro@mkrepro.NetBSD.org:/usr/src/sys/arch/amd64/compile/GENERIC amd6
>Description:
panic: kernel diagnostic assertion "xr != NULL" failed: file "/usr/src/sys/dev/usb/xhci.c", line 2351


no trace available (yet) ["bad namelist"]
>How-To-Repeat:
open audacity some times with an uaudio at xhci
>Fix:
switch BIOS to legacy mode

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