Re: PR/52039 CVS commit: src/sys/dev/pci

[Frank Kardel <kardel%netbsd.org@localhost>]

The following reply was made to PR kern/52039; it has been noted by GNATS.

From: Frank Kardel <kardel%netbsd.org@localhost>
To: gnats-bugs%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, 
 Masanobu SAITOH <msaitoh%execsw.org@localhost>
Cc: 
Subject: Re: PR/52039 CVS commit: src/sys/dev/pci
Date: Wed, 08 Mar 2017 09:56:06 +0100

 I just checked: ihphy0 is detached long before wm0 like you would expect 
 with the normal device tree tear down.
 So at first sight the NULL pointer for the children is not surprising to 
 me.
 
 wd0: detached
 atabus3: detached
 atabus2: detached
 atabus0: detached
 pci8: detached
 pci4: detached
 pci2: detached
 ihphy0: detached
 sysbeep0: detached
 midi0: detached
 pchb15: detached
 pchb14: detached
 pchb13: detached
 pchb12: detached
 pchb11: detached
 pchb10: detached
 pchb9: detached
 pchb8: detached
 pchb7: detached
 pchb6: detached
 pchb5: detached
 pchb4: detached
 pchb3: detached
 pchb2: detached
 pchb1: detached
 ppb7: detached
 ppb3: detached
 ppb1: detached
 wm0: detached
 pchb0: detached
 thinkpad0: detached
 pci9: detached
 forcefully unmounted /dev/wd1a on / type ffs
 wd1: detached
 atabus1: detached