NetBSD Problem Report #60222

From www@netbsd.org  Fri May  1 14:49:13 2026
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Date: Fri,  1 May 2026 14:49:11 +0000 (UTC)
From: mcq@disroot.org
Reply-To: mcq@disroot.org
To: gnats-bugs@NetBSD.org
Subject: on the usb installer, the installer seems to hang right after booting, having an underscore looking character frozen in the top left corner
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X-From4GNATS: "mcq@disroot.org via gnats" <gnats-admin@NetBSD.org>

>Number:         60222
>Category:       port-amd64
>Synopsis:       on the usb installer, the installer seems to hang right after booting, having an underscore looking character frozen in the top left corner
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-amd64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri May 01 14:50:01 +0000 2026
>Last-Modified:  Wed May 20 23:30:02 +0000 2026
>Originator:     Benjamin Lee McQueen
>Release:        NetBSD-10.1-amd64-install.img
>Organization:
none
>Environment:
unsure
>Description:
when booting the installer, a black screen and an underscore frozen in the top left corner results.  it takes no input, i can't type or do anything inside of it.

i am using:
MSI PRO B650-vc WiFi motherboard
RX 580 (main GPU)
RTX 4060 (also tried)
16GB of DDR5 RAM
AMD Ryzen 5 8400F Processor

using an HDMI cable
UEFI system, by the way.
UEFI in the BIOS as well, not on CSM.
>How-To-Repeat:
unsure, but reference the hardware
>Fix:
not known

>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: install-manager->port-amd64-maintainer
Responsible-Changed-By: martin@NetBSD.org
Responsible-Changed-When: Fri, 01 May 2026 19:17:04 +0000
Responsible-Changed-Why:
Sounds like a amd64 specific issue


From: Martin Husemann <martin@duskware.de>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: port-amd64/60222 (on the usb installer, the installer seems to
 hang right after booting, having an underscore looking character frozen in
 the top left corner)
Date: Fri, 1 May 2026 21:19:11 +0200

 Could you try a netbsd-11 or HEAD image from

 	https://nycdn.netbsd.org/pub/NetBSD-daily

 just to check if this has been fixed already?

 Thanks,

 Martin

From: Benjamin Lee McQueen <mcq@disroot.org>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: port-amd64/60222 (on the usb installer, the installer seems to
 hang right after booting, having an underscore looking character frozen in the
 top left corner)
Date: Fri, 01 May 2026 17:10:19 -0500

 using the newest image yields no differing results

 could it be an issue with VBIOS or GPU initialization?

 sorry for the long subject btw

 -ben

From: Benjamin Lee McQueen <mcq@disroot.org>
To: gnats-bugs@netbsd.org, port-amd64-maintainer@netbsd.org,
 gnats-admin@netbsd.org, Gnats Bugs <gnats-bugs@netbsd.org>
Cc: martin@duskware.de
Subject: Re: port-amd64/60222 (on the usb installer, the installer seems to
 hang right after booting, having an underscore looking character frozen in the
 top left corner)
Date: Fri, 01 May 2026 17:14:02 -0500

 using the newest image yields no differing results

 could it be an issue with VBIOS or GPU initialization?

 sorry for the long subject btw

 -ben

From: RVP <rvp@SDF.ORG>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: install/60222: on the usb installer, the installer seems to hang
 right after booting, having an underscore looking character frozen in the
 top left corner
Date: Wed, 20 May 2026 23:26:43 +0000 (UTC)

 On Fri, 1 May 2026, mcq@disroot.org via gnats wrote:

 >> Description:
 > when booting the installer, a black screen and an underscore frozen in the top left corner results.  it takes no input, i can't type or do anything inside of it.
 >
 > i am using:
 > MSI PRO B650-vc WiFi motherboard
 > [...]
 >

 This sounds like PR misc/59151. The motherboard there looks like a similar
 model to yours, but, different vendor (Gigabyte).

 Can you try Paul's patch in that PR?

 -RVP

>Unformatted:

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