On Monday, July 18, 2016 8:41:22 PM CEST Fengguang Wu wrote:
> Hi Arnd,
>
> On Mon, Jul 18, 2016 at 02:01:17PM +0200, Arnd Bergmann wrote:
> >Hi Fengguang,
> >
> >I've recently run into a number of cases in which I pulled a branch that
> >was building fine with "make vmlinux", but that failed for "make dtbs",
> >and I wonder if this is something that could be checked by the kbuild
> >test robot so we catch it earlier.
>
> We initially run "make" without vmlinux, however during bisect more
> specific make targets will be used to speed it up. To do that it's
> necessary to know the regex patterns of "make dtbs" error messages,
> so that they can be correctly bisected.
>
> Can you give some "make dtbs" error messages or patterns?
>
A typical error looks like
Error: arch/arm/boot/dts/sun7i-a20-bananapi-m1-plus.dts:252.1-18 Label or path usb_power_supply not found
FATAL ERROR: Syntax error parsing input tree
scripts/Makefile.lib:312: recipe for target 'arch/arm/boot/dts/sun7i-a20-bananapi-m1-plus.dtb' failed
make[3]: *** [arch/arm/boot/dts/sun7i-a20-bananapi-m1-plus.dtb] Error 1
There should be almost 100% correlation between seeing "arch/${ARCH}/boot/dts/"
in stderr and having a problem in the "make dtbs" stage.
Arnd
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