Re: Buildkernel fails in /usr/obj/usr/src/arm.armv7/sys/GENERIC/vchiq_shim.o

From: Adrian Chadd <adrian_at_freebsd.org>
Date: Sat, 01 Nov 2025 15:57:13 UTC
hi!

There's obviously something wrong with my cross building, because when I
try cross building armv7 on my laptop it succeeds

Anyone have any ideas what I'm doing wrong here? thanks!

```
#!/bin/sh

OBJ_BASE="/home/adrian/work/freebsd/head/freebsd-obj-arm"
SRC_BASE="/home/adrian/work/freebsd/head/freebsd-src-arm"
PORTS_BASE="/home/adrian/work/freebsd/head/freebsd-ports-arm"
MAKE_FLAGS="-j8 -s"
X_TARGET_ARCH="armv7"
KERN_CONFIG="GENERIC"
BUILD_FLAGS="NO_CLEAN=1"

env MAKEOBJDIRPREFIX="${OBJ_BASE}" make ${MAKE_FLAGS} buildkernel
KERNCONF=${KERN_CONFIG} ${BUILD_FLAGS} TARGET_ARCH=${X_TARGET_ARCH}
```

On Sat, 1 Nov 2025 at 08:18, bob prohaska <fbsd@www.zefox.net> wrote:

> A Raspberry Pi 2 v1.1 is failing buildkernel with
> Building /usr/obj/usr/src/arm.armv7/sys/GENERIC/vchiq_shim.o
> --- vchiq_2835_arm.o ---
> /usr/src/sys/contrib/vchiq/interface/vchiq_arm/vchiq_2835_arm.c:549:71:
> error: format specifies type 'unsigned int' but the argument has type
> 'unsigned long' [-Werror,-Wformat]
>   549 |                 "free_pagelist - %zx, %d (%u bytes @%p)",
> (size_t)pagelist, actual, pagelist->length, bi->buf);
>       |                                           ~~
>                   ^~~~~~~~~~~~~~~~
>       |                                           %lu
> /usr/src/sys/contrib/vchiq/interface/vchiq_arm/vchiq_core.h:73:39: note:
> expanded from macro 'vchiq_log_trace'
>    73 |                 printf(VCHIQ_LOG_PREFIX fmt "\n", ##__VA_ARGS__);
> } while (0)
>       |                                         ~~~         ^~~~~~~~~~~
> 1 error generated.
> *** [vchiq_2835_arm.o] Error code 1
>
> uname -a reports
> FreeBSD pelorus.zefox.org 16.0-CURRENT FreeBSD 16.0-CURRENT #1
> main-n281567-8d5a88ac95b2: Wed Oct 29 18:14:25 PDT 2025
>  bob@pelorus.zefox.org:/usr/obj/usr/src/arm.armv7/sys/GENERIC arm
>
> Git reset --hard reported
> HEAD is now at c6e02892bbca bsd-family-tree: add macOS 26
>
> This has been going on for a couple of days at least.
>
> Thanks for reading and any remedies!
>
> bob prohaska
>
>
>