NetBSD Problem Report #55515

From gson@gson.org  Fri Jul 24 11:03:06 2020
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Date: Fri, 24 Jul 2020 14:03:02 +0300 (EEST)
From: gson@gson.org (Andreas Gustafsson)
Reply-To: gson@gson.org (Andreas Gustafsson)
To: gnats-bugs@NetBSD.org
Subject: config -x appends strange lines
X-Send-Pr-Version: 3.95

>Number:         55515
>Category:       port-evbarm
>Synopsis:       config -x appends strange lines
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    port-evbarm-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jul 24 11:05:00 +0000 2020
>Last-Modified:  Sat Jul 25 20:40:01 +0000 2020
>Originator:     Andreas Gustafsson
>Release:        NetBSD-current
>Organization:
>Environment:
System: NetBSD
Architecture: earmv7hf
Machine: evbarm
>Description:

Booting an evbarm-aarch64 image in qemu and running "config -x", the
output ends with the expected

  ### (end include "dev/usb/usbdevices.config")

followed by some unexpected lines:

  ARU_MBOX_OWNER 0x%x
  ARU_MBOX_OWNER 0x%x
  ARU_SMI_INTR 0x%x
  ARU_MBOX_DATA_OUT 0x%x
  ARU_MBOX_CMD 0x%x
  REG:        %08x

With evbarm-earmv7hf, no actual kernel configuration is printed,
presumably because "options INCLUDE_CONFIG_FILE" is disabled, but
similar strange lines containing 0x%x format strings are.

This does not happen on amd64.

>How-To-Repeat:

>Fix:

>Audit-Trail:
From: Valery Ushakov <uwe@stderr.spb.ru>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: port-evbarm/55515: config -x appends strange lines
Date: Fri, 24 Jul 2020 16:01:29 +0300

 config(1) naively looks for _CFG_ and strips it.

 $ strings -a sys/arch/evbarm/compile/.../netbsd | grep _CFG_
 XUSB_CFG_ARU_MBOX_OWNER 0x%x
 timeout, XUSB_CFG_ARU_MBOX_OWNER 0x%x
 XUSB_CFG_ARU_SMI_INTR 0x%x
 XUSB_CFG_ARU_MBOX_DATA_OUT 0x%x
 XUSB_CFG_ARU_MBOX_CMD 0x%x

 -uwe

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