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From: Yann E. MORIN <yann.morin.1998@free.fr>
To: buildroot@busybox.net
Subject: [Buildroot] Kernel module compiled but not found
Date: Sun, 13 Oct 2013 16:51:24 +0200	[thread overview]
Message-ID: <20131013145124.GA16563@free.fr> (raw)
In-Reply-To: <525AAE63.3060601@gmail.com>

Marco, All,

On 2013-10-13 16:29 +0200, Marco Trapanese spake thusly:
> Hello,
> I read the official documentation and this tutorial:
> 
> http://blog.willygroup.org/buildroot-aggiungere-modulo-al-kernel.html#fn-729-1
> 
> to add a custom kernel module.
> It seems it is successfully compiled but I cannot find the .ko file in the
> Buildroot tree.
> This is the relevant output:
> 
> >>> sensoray2253 1.2.6 Building
> /usr/bin/make -j5
> HOSTCC="/home/mark/dev/rpiqt5/buildroot-rpi/output/host/usr/bin/ccache
> /usr/bin/gcc" HOSTCFLAGS="" ARCH=arm
> INSTALL_MOD_PATH=/home/mark/dev/rpiqt5/buildroot-rpi/output/target
> CROSS_COMPILE="/home/mark/dev/rpiqt5/buildroot-rpi/output/host/usr/bin/ccache /home/mark/dev/rpiqt5/buildroot-rpi/output/host/usr/bin/arm-buildroot-linux-gnueabi-"
> DEPMOD=/home/mark/dev/rpiqt5/buildroot-rpi/output/host/usr/sbin/depmod -C
> /home/mark/dev/rpiqt5/buildroot-rpi/output/build/linux-custom
> M=/home/mark/dev/rpiqt5/buildroot-rpi/output/build/sensoray2253-1.2.6
> modules
> make[1]: Entering directory
> `/home/mark/dev/rpiqt5/buildroot-rpi/output/build/linux-custom'
>   Building modules, stage 2.
>   MODPOST 0 modules
> make[1]: Leaving directory
> `/home/mark/dev/rpiqt5/buildroot-rpi/output/build/linux-custom'
> >>> sensoray2253 1.2.6 Installing to target
> /usr/bin/make -j5
> HOSTCC="/home/mark/dev/rpiqt5/buildroot-rpi/output/host/usr/bin/ccache
> /usr/bin/gcc" HOSTCFLAGS="" ARCH=arm
> INSTALL_MOD_PATH=/home/mark/dev/rpiqt5/buildroot-rpi/output/target
> CROSS_COMPILE="/home/mark/dev/rpiqt5/buildroot-rpi/output/host/usr/bin/ccache /home/mark/dev/rpiqt5/buildroot-rpi/output/host/usr/bin/arm-buildroot-linux-gnueabi-"
> DEPMOD=/home/mark/dev/rpiqt5/buildroot-rpi/output/host/usr/sbin/depmod -C
> /home/mark/dev/rpiqt5/buildroot-rpi/output/build/linux-custom
> M=/home/mark/dev/rpiqt5/buildroot-rpi/output/build/sensoray2253-1.2.6
> modules_install

You're missing INSTALL_MOD_PATH=$(TARGET_DIR) on this command line
(the make line for 'MYKMOD_INSTALL_TARGET_CMDS' ).

Regards,
Yann E. MORIN.

> make[1]: Entering directory
> `/home/mark/dev/rpiqt5/buildroot-rpi/output/build/linux-custom'
>   DEPMOD  3.9.11
> make[1]: Leaving directory
> `/home/mark/dev/rpiqt5/buildroot-rpi/output/build/linux-custom'
> mkdir -p /home/mark/dev/rpiqt5/buildroot-rpi/output/target/etc
> echo "rpi" > /home/mark/dev/rpiqt5/buildroot-rpi/output/target/etc/hostname
> 
> 
> As you can see, there are no errors but I'm not sure the module is correctly
> installed!
> According to the tutorial I should find it in:
> 
> buildroot_folder/output/target/lib/modules/kernel_version/extra/
> 
> but mine is empty.
> 
> How investigate further?
> Thanks
> Mark
> 
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot

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  reply	other threads:[~2013-10-13 14:51 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-13 14:29 [Buildroot] Kernel module compiled but not found Marco Trapanese
2013-10-13 14:51 ` Yann E. MORIN [this message]
2013-10-13 15:02   ` Marco Trapanese
2013-10-13 15:05     ` Thomas Petazzoni
2013-10-13 15:19       ` Marco Trapanese
2013-10-13 21:12         ` Arnout Vandecappelle
2013-10-14  7:58           ` Marco Trapanese
2013-10-13 15:57       ` Yann E. MORIN
2013-10-13 16:53     ` Sagaert Johan
2013-10-13 17:05       ` Marco Trapanese
2013-10-13 15:56 ` Yann E. MORIN
2013-10-13 16:02   ` Marco Trapanese
2013-10-13 20:11 ` Ciarán Rehill

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