Public bug reported:
[ Impact ]
DKMS (dkms-3.2.0) make.log for dahdi/3.1.0+git20230717 for kernel
6.17.0-7-generic (x86_64)
Thu Dec 18 16:49:27 UTC 2025
Building module(s)
# command: (make modules KVERS=6.17.0-7-generic MODULES_EXTRA='dahdi_dummy
dahdi_echocan_oslec'; make KVERS=6.17.0-7-generic)
make -C /lib/modules/6.17.0-7-generic/build
KBUILD_EXTMOD=/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi
DAHDI_INCLUDE=/var/lib/dkms/dahdi/3.1.0+git20230717/build/include
DAHDI_MODULES_EXTRA="dahdi_dummy.o dahdi_echocan_oslec.o " HOTPLUG_FIRMWARE=yes
modules DAHDI_BUILD_ALL=m
make[1]: Entering directory '/usr/src/linux-headers-6.17.0-7-generic'
make[2]: Entering directory
'/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi'
warning: the compiler differs from the one used to build the kernel
The kernel was built by: x86_64-linux-gnu-gcc (Ubuntu 15.2.0-4ubuntu4) 15.2.0
You are using: gcc (Ubuntu 15.2.0-4ubuntu4) 15.2.0
CC [M] dahdi-base.o
dahdi-base.c: In function ‘coretimer_cleanup’:
dahdi-base.c:10142:9: error: implicit declaration of function ‘del_timer_sync’;
did you mean ‘dev_mc_sync’? [-Wimplicit-function-declaration]
10142 | del_timer_sync(&core_timer.timer);
| ^~~~~~~~~~~~~~
| dev_mc_sync
make[4]: ***
[/usr/src/linux-headers-6.17.0-7-generic/scripts/Makefile.build:287:
dahdi-base.o] Error 1
make[3]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:2016: .] Error 2
make[2]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:248: __sub-make]
Error 2
make[2]: Leaving directory
'/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi'
make[1]: *** [Makefile:248: __sub-make] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-6.17.0-7-generic'
make: *** [Makefile:74: modules] Error 2
make -C /lib/modules/6.17.0-7-generic/build
KBUILD_EXTMOD=/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi
DAHDI_INCLUDE=/var/lib/dkms/dahdi/3.1.0+git20230717/build/include
DAHDI_MODULES_EXTRA=" " HOTPLUG_FIRMWARE=yes modules DAHDI_BUILD_ALL=m
make[1]: Entering directory '/usr/src/linux-headers-6.17.0-7-generic'
make[2]: Entering directory
'/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi'
warning: the compiler differs from the one used to build the kernel
The kernel was built by: x86_64-linux-gnu-gcc (Ubuntu 15.2.0-4ubuntu4) 15.2.0
You are using: gcc (Ubuntu 15.2.0-4ubuntu4) 15.2.0
CC [M] dahdi-base.o
dahdi-base.c: In function ‘coretimer_cleanup’:
dahdi-base.c:10142:9: error: implicit declaration of function ‘del_timer_sync’;
did you mean ‘dev_mc_sync’? [-Wimplicit-function-declaration]
10142 | del_timer_sync(&core_timer.timer);
| ^~~~~~~~~~~~~~
| dev_mc_sync
make[4]: ***
[/usr/src/linux-headers-6.17.0-7-generic/scripts/Makefile.build:287:
dahdi-base.o] Error 1
make[3]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:2016: .] Error 2
make[2]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:248: __sub-make]
Error 2
make[2]: Leaving directory
'/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi'
make[1]: *** [Makefile:248: __sub-make] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-6.17.0-7-generic'
make: *** [Makefile:74: modules] Error 2
# exit code: 2
# elapsed time: 00:00:03
----------------------------------------------------------------
[ Test case ]
Install the latest linux-6.17 kernel on Noble:
$ sudo add-apt-repository ppa:canonical-kernel-team/ppa3
$ sudo apt install linux-generic-hwe-24.04-edge
Install dahdi-dkms:
$ sudo apt install dahdi-dkms
Load the modules:
$ sudo modprobe
The same procedure should be repeated on linux-6.8 to test for possible
regressions.
[ Fix ]
Patches to enable 6.15 kernel
-debian/patches/fix-linux-6.15-ftbfs.patch
[ Regression potential ]
We may experience regressions in systems that are using the dahdi
drivers, especially with kernels >= 6.8 kernel.
** Affects: dahdi-linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: dahdi-linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Affects: dahdi-linux (Ubuntu Questing)
Importance: Undecided
Status: New
** Affects: dahdi-linux (Ubuntu Resolute)
Importance: Undecided
Status: New
** Description changed:
[ Impact ]
+ DKMS (dkms-3.2.0) make.log for dahdi/3.1.0+git20230717 for kernel
6.17.0-7-generic (x86_64)
+ Thu Dec 18 16:49:27 UTC 2025
+
+ Building module(s)
+ # command: (make modules KVERS=6.17.0-7-generic MODULES_EXTRA='dahdi_dummy
dahdi_echocan_oslec'; make KVERS=6.17.0-7-generic)
+ make -C /lib/modules/6.17.0-7-generic/build
KBUILD_EXTMOD=/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi
DAHDI_INCLUDE=/var/lib/dkms/dahdi/3.1.0+git20230717/build/include
DAHDI_MODULES_EXTRA="dahdi_dummy.o dahdi_echocan_oslec.o " HOTPLUG_FIRMWARE=yes
modules DAHDI_BUILD_ALL=m
+ make[1]: Entering directory '/usr/src/linux-headers-6.17.0-7-generic'
+ make[2]: Entering directory
'/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi'
+ warning: the compiler differs from the one used to build the kernel
+ The kernel was built by: x86_64-linux-gnu-gcc (Ubuntu 15.2.0-4ubuntu4)
15.2.0
+ You are using: gcc (Ubuntu 15.2.0-4ubuntu4) 15.2.0
+ CC [M] dahdi-base.o
+ dahdi-base.c: In function ‘coretimer_cleanup’:
+ dahdi-base.c:10142:9: error: implicit declaration of function
‘del_timer_sync’; did you mean ‘dev_mc_sync’? [-Wimplicit-function-declaration]
+ 10142 | del_timer_sync(&core_timer.timer);
+ | ^~~~~~~~~~~~~~
+ | dev_mc_sync
+ make[4]: ***
[/usr/src/linux-headers-6.17.0-7-generic/scripts/Makefile.build:287:
dahdi-base.o] Error 1
+ make[3]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:2016: .] Error
2
+ make[2]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:248:
__sub-make] Error 2
+ make[2]: Leaving directory
'/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi'
+ make[1]: *** [Makefile:248: __sub-make] Error 2
+ make[1]: Leaving directory '/usr/src/linux-headers-6.17.0-7-generic'
+ make: *** [Makefile:74: modules] Error 2
+ make -C /lib/modules/6.17.0-7-generic/build
KBUILD_EXTMOD=/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi
DAHDI_INCLUDE=/var/lib/dkms/dahdi/3.1.0+git20230717/build/include
DAHDI_MODULES_EXTRA=" " HOTPLUG_FIRMWARE=yes modules DAHDI_BUILD_ALL=m
+ make[1]: Entering directory '/usr/src/linux-headers-6.17.0-7-generic'
+ make[2]: Entering directory
'/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi'
+ warning: the compiler differs from the one used to build the kernel
+ The kernel was built by: x86_64-linux-gnu-gcc (Ubuntu 15.2.0-4ubuntu4)
15.2.0
+ You are using: gcc (Ubuntu 15.2.0-4ubuntu4) 15.2.0
+ CC [M] dahdi-base.o
+ dahdi-base.c: In function ‘coretimer_cleanup’:
+ dahdi-base.c:10142:9: error: implicit declaration of function
‘del_timer_sync’; did you mean ‘dev_mc_sync’? [-Wimplicit-function-declaration]
+ 10142 | del_timer_sync(&core_timer.timer);
+ | ^~~~~~~~~~~~~~
+ | dev_mc_sync
+ make[4]: ***
[/usr/src/linux-headers-6.17.0-7-generic/scripts/Makefile.build:287:
dahdi-base.o] Error 1
+ make[3]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:2016: .] Error
2
+ make[2]: *** [/usr/src/linux-headers-6.17.0-7-generic/Makefile:248:
__sub-make] Error 2
+ make[2]: Leaving directory
'/var/lib/dkms/dahdi/3.1.0+git20230717/build/drivers/dahdi'
+ make[1]: *** [Makefile:248: __sub-make] Error 2
+ make[1]: Leaving directory '/usr/src/linux-headers-6.17.0-7-generic'
+ make: *** [Makefile:74: modules] Error 2
+
+ # exit code: 2
+ # elapsed time: 00:00:03
+ ----------------------------------------------------------------
[ Test case ]
Install the latest linux-6.17 kernel on Noble:
$ sudo add-apt-repository ppa:canonical-kernel-team/ppa3
$ sudo apt install linux-generic-hwe-24.04-edge
Install dahdi-dkms:
$ sudo apt install dahdi-dkms
Load the modules:
$ sudo modprobe
The same procedure should be repeated on linux-6.8 to test for possible
regressions.
[ Fix ]
Patches to enable 6.15 kernel
-debian/patches/fix-linux-6.15-ftbfs.patch
[ Regression potential ]
We may experience regressions in systems that are using the dahdi
drivers, especially with kernels >= 6.8 kernel.
** Also affects: dahdi-linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: dahdi-linux (Ubuntu Questing)
Importance: Undecided
Status: New
** Also affects: dahdi-linux (Ubuntu Resolute)
Importance: Undecided
Status: New
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2136821
Title:
dahdi-dkms FTBS in Noble with the linux-6.17 kernel
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/dahdi-linux/+bug/2136821/+subscriptions
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