[英]Building kernel module using dkms
我無法讓dkms
在 Centos 7 上工作。我整天都在嘗試更改dkms.conf
中的內容,但沒有任何進展。 Kernel 升級會觸發dkms
(同樣不起作用)。 我最小的非工作示例是dkms build
。 有什么建議么?
dkms.conf:
root@localhost ~# cat /usr/src/cs2-3.2.5/dkms.conf
MAKE="make -C src/ KERNELDIR=/lib/modules/${kernelver}/source"
CLEAN="make -C src/ clean"
BUILT_MODULE_NAME=cs2
BUILT_MODULE_LOCATION=src
DEST_MODULE_LOCATION=/extra
PACKAGE_NAME=cs2
PACKAGE_VERSION=3.2.5
#REMAKE_INITRD=yes
AUTOINSTALL=yes
在 dkms 中注冊模塊:
root@localhost ~# dkms add -m cs2 -v 3.2.5
Creating symlink /var/lib/dkms/cs2/3.2.5/source ->
/usr/src/cs2-3.2.5
DKMS: add completed.
使用 dkms 構建模塊不起作用:
root@localhost ~# dkms build -m cs2 -v 3.2.5 --verbose
Kernel preparation unnecessary for this kernel. Skipping...
Building module:
make -C src/ clean
make: Entering directory `/var/lib/dkms/cs2/3.2.5/build/src'
rm -f cs2.o cs2.mod.?
rm -f .cs2.ko.cmd .cs2.mod.o.cmd .cs2.o.cmd
rm -rf .tmp_versions Module.symvers modules.order
make: Leaving directory `/var/lib/dkms/cs2/3.2.5/build/src'
{ make -j4 KERNELRELEASE=3.10.0-1127.el7.x86_64 -C src/ KERNELDIR=/lib/modules/3.10.0-1127.el7.x86_64/source; } >> /var/lib/dkms/cs2/3.2.5/build/make.log 2>&1
Error! Build of cs2.ko failed for: 3.10.0-1127.el7.x86_64 (x86_64)
Consult the make.log in the build directory
/var/lib/dkms/cs2/3.2.5/build/ for more information.
咨詢/var/lib/dkms/cs2/3.2.5/build/make.log
並沒有多大幫助:
編輯: /var/lib/dkms/cs2/3.2.5/build/make.log
看起來更像是 output 的make install...
root@localhost ~# cat /var/lib/dkms/cs2/3.2.5/build/make.log
DKMS make.log for cs2-3.2.5 for kernel 3.10.0-1127.el7.x86_64 (x86_64)
Tue Apr 28 23:29:56 CEST 2020
make: Entering directory `/var/lib/dkms/cs2/3.2.5/build/src'
make -C /lib/modules/3.10.0-1127.el7.x86_64/source SUBDIRS=/var/lib/dkms/cs2/3.2.5/build/src modules_install
make[1]: Entering directory `/usr/src/kernels/3.10.0-1127.el7.x86_64'
DEPMOD 3.10.0-1127.el7.x86_64
make[1]: Leaving directory `/usr/src/kernels/3.10.0-1127.el7.x86_64'
make: Leaving directory `/var/lib/dkms/cs2/3.2.5/build/src'
但是,手動調用make
就可以了:
root@localhost /var/lib/dkms/cs2/3.2.5/build# make -C src/ KERNELDIR=/lib/modules/$(uname -r)/source
make: Entering directory `/var/lib/dkms/cs2/3.2.5/build/src'
make -C /lib/modules/3.10.0-1127.el7.x86_64/source SUBDIRS=/var/lib/dkms/cs2/3.2.5/build/src modules
make[1]: Entering directory `/usr/src/kernels/3.10.0-1127.el7.x86_64'
CC [M] /var/lib/dkms/cs2/3.2.5/build/src/cs2.o
Building modules, stage 2.
MODPOST 1 modules
CC /var/lib/dkms/cs2/3.2.5/build/src/cs2.mod.o
LD [M] /var/lib/dkms/cs2/3.2.5/build/src/cs2.ko
make[1]: Leaving directory `/usr/src/kernels/3.10.0-1127.el7.x86_64'
make: Leaving directory `/var/lib/dkms/cs2/3.2.5/build/src'
我相信我擁有所有需要的軟件包:
root@localhost ~# yum list kernel*
...
Installed Packages
kernel.x86_64 3.10.0-1062.9.1.el7 @updates
kernel.x86_64 3.10.0-1127.el7 @base
kernel-devel.x86_64 3.10.0-1127.el7 @base
kernel-headers.x86_64 3.10.0-1127.el7 @base
kernel-tools.x86_64 3.10.0-1127.el7 @base
kernel-tools-libs.x86_64 3.10.0-1127.el7 @base
Makefile
可能存在一些問題,因為dkms build
與此dkms.config
:
PACKAGE_VERSION="3.2.5"
PACKAGE_NAME="cs2"
MAKE[0]="make -C ${kernel_source_dir} SUBDIRS=${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build/src modules"
CLEAN="make -C ${kernel_source_dir} SUBDIRS=${dkms_tree}/${PACKAGE_NAME}/${PACKAGE_VERSION}/build/src clean"
BUILT_MODULE_LOCATION[0]=src/
BUILT_MODULE_NAME[0]="cs2"
DEST_MODULE_LOCATION[0]="/extra/"
#REMAKE_INITRD="yes"
#AUTOINSTALL="yes"
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