Ubuntu
nvidia-graphics-drivers-418 package

Kernel 5.1 is unsupported (and nvidia-418.56 error) [error: initialization of `vm_fault_t (*)(struct vm_fault *)' {aka `unsigned int (*)(struct vm_fault *)'} from incompatible pointer type `int (*)(struct vm_fault *)']

Bug #1827944 reported by Ronan Jouchet
22
This bug affects 5 people
Affects Status Importance Assigned to Milestone
dkms (Ubuntu)
Opinion
Undecided
Unassigned
nvidia-graphics-drivers-418 (Ubuntu)
Confirmed
High
Unassigned

Bug Description

Installing mainline v5.1 from https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.1/ , I get this error:

    ERROR (dkms apport): kernel package linux-headers-5.1.0-050100-generic is not supported

Also, building nvidia modules fail; I'm not sure it's related/critical.

See attached file for both logs.

Revision history for this message
Ronan Jouchet (ronj) wrote :
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

It sounds like only official Ubuntu kernels will support DKMS properly. So I don't think this is going to be a valid bug in dkms.

The build failure of the Nvidia driver is however a bug in the Nvidia driver.

affects: dkms (Ubuntu) → nvidia-graphics-drivers-418 (Ubuntu)
Changed in nvidia-graphics-drivers-418 (Ubuntu):
importance: Undecided → High
Changed in dkms (Ubuntu):
status: New → Opinion
Daniel van Vugt (vanvugt)
summary: - Kernel 5.1 is unsupported (and nvidia-418.56 error)
+ Kernel 5.1 is unsupported (and nvidia-418.56 error): error:
+ initialization of `vm_fault_t (*)(struct vm_fault *)' {aka `unsigned int
+ (*)(struct vm_fault *)'} from incompatible pointer type `int (*)(struct
+ vm_fault *)' [-Werror=incompatible-pointer-types]
summary: - Kernel 5.1 is unsupported (and nvidia-418.56 error): error:
+ Kernel 5.1 is unsupported (and nvidia-418.56 error) [error:
initialization of `vm_fault_t (*)(struct vm_fault *)' {aka `unsigned int
(*)(struct vm_fault *)'} from incompatible pointer type `int (*)(struct
- vm_fault *)' [-Werror=incompatible-pointer-types]
+ vm_fault *)']
Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in nvidia-graphics-drivers-418 (Ubuntu):
status: New → Confirmed
Revision history for this message
Lilian A. Moraru (lilianmoraru) wrote :

Side note: the issue is fixed in nvidia-430.14

Revision history for this message
Ankur A. Sharma (ankurash) wrote :

According to Nvidia's website, nvidia-430 does not support all the nvidia-418 compatible hardware.

Revision history for this message
ArchPhoenix team (archphoenix) wrote :

Kernel 5.3 officially released by Canonical does not work with 418.56 from this PPA.
Branch 430 does not support my GPU.

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