[dm-devel] device-mapper: ioctl: ioctl interface mismatch: kernel(4.37.0), user(4.39.0), cmd(16)

[Heinz Mauelshagen]

Özkan,

as you report, your device-mapper version is too recent for your kernel
(the major version has to match and the kernel minor version needs to 
greater or equal),
i.e. 4.39 is too recent for version 4.37 in the kernel.

In case you updated kernel and userspace by pacman means, something's 
broken in the Arch repositories.

You either have to downgrade your device-mapper userspace
or upgrade your kernel accordingly.

Heinz


On 09/19/2018 12:35 PM, Özkan Göksu wrote:
> Hello.
> I just upgraded my Kernel to: 4.14.70-1-lts | device-mapper 2.02.181-1 
> | multipath-tools 0.7.7-1
> After that multipathd started to giving the log: // device-mapper: 
> ioctl: ioctl interface mismatch: kernel(4.37.0), user(4.39.0), cmd(16)
> It was working great on my ex kernel "4.14.30-1-lts" with | 
> device-mapper 2.02.177-5 | multipath-tools 0.7.6-1
> Also I tried multipath git version but nothing change.
>
> I think the problem related to device-mapper and my device mapper 
> Build Date: 2018-08-01 19:05 UTC = 
> https://www.archlinux.org/packages/core/x86_64/device-mapper/
> Do I need to compile device mapper git version or what should I do?
>
>
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> dm-devel at redhat.com
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