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Date: Wed, 8 Sep 2021 15:14:02 +0200
From: Milan =?utf-8?Q?P=2E_Stani=C4=87?= <mps@arvanta.net>
To: ~alpine/devel@lists.alpinelinux.org
Subject: Re: [3.14.1] is missing kernel module
Message-ID: <YTi3Grdq+RKym7yc@elm>
References: <1631104468.841050000.s573m5os@frv50.fwdcdn.com>
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In-Reply-To: <1631104468.841050000.s573m5os@frv50.fwdcdn.com>

On Wed, 2021-09-08 at 15:56, Oleksiy Vilny wrote:
> Hi,
> 
> I tried to connect my APC SmartUPS to Alpine Linux 3.14.1 with kernel
> 5.10.56-0-virt (x86_64) via USB. While the UPS device was recognized
> by the kernel and shows up in /var/log/messages, the apcupsd cannot
> find the device. The reason is /dev/usb/hiddev[0-9] is not created.
> According to the manual at 
> http://www.apcupsd.com/manual/manual.html#verifying-device-detection-and-driver
> apcupsd requires the following kernel modules to be installed:
> 
> CONFIG_USB
> CONFIG_USB_HID
> CONFIG_USB_HIDDEV
> 
> The first two are present, though usbhiddev is missing:
> 
> alpine:~# cat /boot/config-virt | grep CONFIG_USB_HID*
> CONFIG_USB_HID=m
> # CONFIG_USB_HIDDEV is not set
> 
> I would kindly ask in the upcoming build the configuration to
> be changed to
> 
> CONFIG_USB_HIDDEV=y

-virt kernels are for virtual machines (qemu and similar) and they don't
have much drivers for hardware devices enabled.
Use 'normal' kernel, those without '-virt' in package name.

> Kind Regards, Oleksiy