Cannot load mymodule_lin.ko #3

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1. vmaffione commented on Feb 2, 2018

   

   vmaffione

   on Feb 2, 2018

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   I'm not the author of the VALE tutorial part, but here it seems you haven't loaded the netmap module.
2. Linerd commented on Feb 2, 2018

   

   Linerd

   on Feb 2, 2018 via email

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   Actually I loaded it, I was able to perform all other netmap related tests

   …

   On Fri, Feb 2, 2018 at 11:31 AM Vincenzo Maffione ***@***.***> wrote: I'm not the author of the VALE tutorial part, but here it seems you haven't loaded the netmap module. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#3 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AHVEvMFHpSGvgM_KcojJmoAWzE9ePfNcks5tQyUEgaJpZM4R2Yor> .
3. vmaffione commented on Feb 2, 2018

   

   vmaffione

   on Feb 2, 2018

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   You could grep the symbol to check it's there

    $ grep netmap_bdg_ /proc/kallsyms
   
4. Linerd commented on Feb 2, 2018

   

   Linerd

   on Feb 2, 2018

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   it's there, please see the make output:

   make NSRC=/home/yikai/netmap KSRC=/usr/src/linux-headers-4.4.0-103-generic/
   make -C /usr/src/linux-headers-4.4.0-103-generic/ M=/home/yikai/netmap-tutorial/mymodule/LINUX
   CONFIG_NETMAP=m CONFIG_NETMAP_VALE=y CONFIG_MYMODULE=m
   EXTRA_CFLAGS='-I/home/yikai/netmap/ -I/home/yikai/netmap/LINUX -I/home/yikai/netmap/sys -I/home/yikai/netmap-tutorial/mymodule/LINUX/../sys -DCONFIG_NETMAP' KBUILD_EXTRA_SYMBOLS=/home/yikai/netmap/Module.symvers
   make[1]: Entering directory '/usr/src/linux-headers-4.4.0-103-generic'
   LD /home/yikai/netmap-tutorial/mymodule/LINUX/built-in.o
   CC [M] /home/yikai/netmap-tutorial/mymodule/LINUX/mymodule.o
   LD [M] /home/yikai/netmap-tutorial/mymodule/LINUX/mymodule_lin.o
   Building modules, stage 2.
   MODPOST 1 modules
   WARNING: could not find /home/yikai/netmap-tutorial/mymodule/LINUX/.mymodule.o.cmd for /home/yikai/netmap-tutorial/mymodule/LINUX/mymodule.o
   WARNING: "netmap_bdg_learning" [/home/yikai/netmap-tutorial/mymodule/LINUX/mymodule_lin.ko] undefined!
   WARNING: "netmap_bdg_ctl" [/home/yikai/netmap-tutorial/mymodule/LINUX/mymodule_lin.ko] undefined!
   CC /home/yikai/netmap-tutorial/mymodule/LINUX/mymodule_lin.mod.o
   LD [M] /home/yikai/netmap-tutorial/mymodule/LINUX/mymodule_lin.ko
   make[1]: Leaving directory '/usr/src/linux-headers-4.4.0-103-generic'
   ls -l find . -name \*.ko
   -rw-rw-r-- 1 yikai yikai 6296 Feb 2 13:35 ./mymodule_lin.ko
5. Linerd commented on Feb 2, 2018

   

   Linerd

   on Feb 2, 2018

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   and this is when I use linux-source instead of headers:

   make NSRC=/home/yikai/netmap KSRC=/usr/src/linux-source-4.4.0
   make -C /usr/src/linux-source-4.4.0 M=/home/yikai/netmap-tutorial/mymodule/LINUX
   CONFIG_NETMAP=m CONFIG_NETMAP_VALE=y CONFIG_MYMODULE=m
   EXTRA_CFLAGS='-I/home/yikai/netmap/ -I/home/yikai/netmap/LINUX -I/home/yikai/netmap/sys -I/home/yikai/netmap-tutorial/mymodule/LINUX/../sys -DCONFIG_NETMAP' KBUILD_EXTRA_SYMBOLS=/home/yikai/netmap/Module.symvers
   make[1]: Entering directory '/usr/src/linux-source-4.4.0'

   WARNING: Symbol version dump ./Module.symvers
   is missing; modules will have no dependencies and modversions.

   Building modules, stage 2.
   MODPOST 1 modules
   WARNING: could not find /home/yikai/netmap-tutorial/mymodule/LINUX/.mymodule.o.cmd for /home/yikai/netmap-tutorial/mymodule/LINUX/mymodule.o
   make[1]: Leaving directory '/usr/src/linux-source-4.4.0'
   ls -l find . -name \*.ko
   -rw-rw-r-- 1 yikai yikai 65640 Feb 2 13:37 ./mymodule_lin.ko
6. vmaffione commented on Feb 2, 2018

   

   vmaffione

   on Feb 2, 2018

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   Yeah, I'm not even able to compile, actually. Can you ask the author https://github.com/micchie/mymodule ?