NetBSD Problem Report #45890

From paul@whooppee.com  Mon Jan 30 15:07:06 2012
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Date: Mon, 30 Jan 2012 07:07:11 -0800 (PST)
From: paul@whooppee.com
Reply-To: paul@whooppee.com
To: gnats-bugs@gnats.NetBSD.org
Subject: piixpm autoconfigure not always probing correctly
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>Number:         45890
>Category:       kern
>Synopsis:       piixpm autoconfigure not always probing correctly
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          suspended
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jan 30 15:10:00 +0000 2012
>Closed-Date:    
>Last-Modified:  Thu Aug 20 05:13:34 +0000 2015
>Originator:     Paul Goyette
>Release:        NetBSD 5.99.59
>Organization:
-------------------------------------------------------------------------
| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:       |
| Customer Service | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com    |
| Network Engineer | 0786 F758 55DE 53BA 7731 | pgoyette at juniper.net |
| Kernel Developer |                          | pgoyette at netbsd.org  |
-------------------------------------------------------------------------
>Environment:


System: quicky.whooppee.com 5.99.59 NetBSD 5.99.59 (WHOOPPEE (shared) 2012-01-09 04:41:18) #8: Sun Jan  8 21:10:34 PST 2012  paul@screamer.whooppee.com:/build/netbsd-local/obj/amd64/sys/arch/amd64/compile/WHOOPPEE amd64
Machine: amd64
>Description:
	Under 5.99.55, the piixpm i2c bus does not get autoconfigured.

	But under 5.99.59, with no other changes, it works correctly. 

	And then with 5.99.60 it fails again.  

	I will be investigating this PR and provide additional info, just
	wanted to make sure the problem doesn't get lost.
>How-To-Repeat:
	Under 5.99.55 and 5.99.60, I get

	# grep piix dmesg-5.99.55
	piixpm0 at pci0 dev 20 function 0
	piixpm0: vendor 0x1002 product 0x4385 (rev. 0x41)
	piixpm0: SMBus disabled

	On same machine with 5.99.59, I get

	#  grep piix dmesg-5.99.59
	piixpm0 at pci0 dev 20 function 0
	piixpm0: vendor 0x1002 product 0x4385 (rev. 0x41)
	iic0 at piixpm0: I2C bus

>Fix:


>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: kern-bug-people->pgoyette
Responsible-Changed-By: pgoyette@NetBSD.org
Responsible-Changed-When: Mon, 30 Jan 2012 15:14:23 +0000
Responsible-Changed-Why:
Investigating


State-Changed-From-To: open->suspended
State-Changed-By: pgoyette@NetBSD.org
State-Changed-When: Mon, 14 Jan 2013 23:51:38 +0000
State-Changed-Why:
No longer have the hardware on which this can be reproduced.


From: David Holland <dholland-bugs@netbsd.org>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: kern/45890 (piixpm autoconfigure not always probing correctly)
Date: Tue, 15 Jan 2013 05:28:27 +0000

 On Mon, Jan 14, 2013 at 11:51:39PM +0000, pgoyette@NetBSD.org wrote:
  > Synopsis: piixpm autoconfigure not always probing correctly
  > 
  > State-Changed-From-To: open->suspended
  > State-Changed-By: pgoyette@NetBSD.org
  > State-Changed-When: Mon, 14 Jan 2013 23:51:38 +0000
  > State-Changed-Why:
  > No longer have the hardware on which this can be reproduced.

 I may have one of these; should I check?

 -- 
 David A. Holland
 dholland@netbsd.org

Responsible-Changed-From-To: pgoyette->kern-bug-people
Responsible-Changed-By: pgoyette@NetBSD.org
Responsible-Changed-When: Thu, 20 Aug 2015 05:12:24 +0000
Responsible-Changed-Why:
I no longer have appropriate hardware to investigate further.  If someone
has hardware, I'm more than willing to help diagnose and repair.


>Unformatted:

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