NetBSD Problem Report #50452

From gson@gson.org  Fri Nov 20 10:42:42 2015
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Date: Fri, 20 Nov 2015 12:42:35 +0200 (EET)
From: gson@gson.org (Andreas Gustafsson)
Reply-To: gson@gson.org (Andreas Gustafsson)
To: gnats-bugs@gnats.NetBSD.org
Subject: LCD monitor sync out of range with Intel 965 chipset
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>Number:         50452
>Category:       kern
>Synopsis:       LCD monitor sync out of range with Intel 965 chipset
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Nov 20 10:45:00 +0000 2015
>Last-Modified:  Sat Nov 21 17:55:00 +0000 2015
>Originator:     Andreas Gustafsson
>Release:        NetBSD 7.0 + patch to fix PR 50060
>Organization:

>Environment:
System: NetBSD
Architecture: x86_64
Machine: amd64
>Description:

I originally reported this in a follow-up to PR 50060, but since
it appears to be a separate issue, I'm filing a separate PR.

After applying the patch in PR 50050, my ASUS P5B-V motherboard boots,
but there is still a problem with the video mode.  I have an LCD
display connected to the VGA port, and it is showing the following
message:

                          ATTENTION
                         OUT OF RANGE
                   H: 71.9 KHz    V: 160 Hz
                 PLEASE CHANGE SIGNAL TIMING


The display is an iiyama ProLite E380S, Model No. PLE380S-S0X.

This is not a high priority issue for me because I'm using the machine
with a serial console, but it might be for someone else.

>How-To-Repeat:

>Fix:

>Audit-Trail:
From: Patrick Welche <prlw1@cam.ac.uk>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: kern/50452: LCD monitor sync out of range with Intel 965 chipset
Date: Fri, 20 Nov 2015 17:06:53 +0000

 On Fri, Nov 20, 2015 at 10:45:00AM +0000, Andreas Gustafsson wrote:
 > This is not a high priority issue for me because I'm using the machine
 > with a serial console, but it might be for someone else.

 Do you see different behaviour if you don't use a serial console?
 (PR kern/49495)

From: Andreas Gustafsson <gson@gson.org>
To: Patrick Welche <prlw1@cam.ac.uk>
Cc: gnats-bugs@NetBSD.org,
    kern-bug-people@netbsd.org,
    gnats-admin@netbsd.org
Subject: Re: kern/50452: LCD monitor sync out of range with Intel 965 chipset
Date: Sat, 21 Nov 2015 19:53:40 +0200

 Patrick Welche wrote:
 >  On Fri, Nov 20, 2015 at 10:45:00AM +0000, Andreas Gustafsson wrote:
 >  > This is not a high priority issue for me because I'm using the machine
 >  > with a serial console, but it might be for someone else.
 >  
 >  Do you see different behaviour if you don't use a serial console?
 >  (PR kern/49495)

 I see the same behavior whether I use the VGA console or a serial
 console.  In both cases, the monitor stays in sync (either displaying
 boot messages or a blank screen, in the case of a VGA console and
 serial console, respectively), until about halfway through the kernel
 autoconfiguration process, when the display resoution is changed and
 the monitor falls out of sync and displays the "OUT OF RANGE" message.
 -- 
 Andreas Gustafsson, gson@gson.org

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