On Tue, 24 Aug 2021 15:27:19 -0400 Phillip Susi wrote:
> This seems to be the heart of the problem: libinput was designed
> assuming that all keyboards can and must report what keys are actually
> present, and then libinput tries to cram that information into the
> modalias rather than some other
On 8/24/2021 7:12 PM, Ben Hutchings wrote:
On Tue, Aug 24, 2021 at 03:27:19PM -0400, Phillip Susi wrote:
Ben Hutchings writes:
I think a proper fix would be one of:
a. If the Xen virtual keyboard driver is advertising capabilities it
doesn't have, stop it doing that.
b. Change the implem
On 8/26/2021 8:01 AM, Chuck Zmudzinski wrote:
On 8/24/2021 7:12 PM, Ben Hutchings wrote:
The current limit on the environment of a uevent appears to be 2 KB
(UEVENT_BUFFER_SIZE defined in ).� That seems like it
*might* be easier to change, so long as user-space doesn't have a
similar limit.
On 8/24/2021 7:12 PM, Ben Hutchings wrote:
The current limit on the environment of a uevent appears to be 2 KB
(UEVENT_BUFFER_SIZE defined in ). That seems like it
*might* be easier to change, so long as user-space doesn't have a
similar limit.
I looked into systemd/udev, and it seems to use a
On 8/25/2021 4:16 PM, Phillip Susi wrote:
Chuck Zmudzinski writes:
If it doesn't work, I am also willing to try approach a by patching
the Linux kernel xen-kbdfront driver by removing the for loops that
advertise those 654 keys. I tend to agree with Philip that this is
totally unnecessary, but
On 8/24/2021 7:12 PM, Ben Hutchings wrote:
Text-based sysfs attributes are limited to a page, but udev receives
uevents through netlink, not sysfs.
The current limit on the environment of a uevent appears to be 2 KB
(UEVENT_BUFFER_SIZE defined in ). That seems like it
*might* be easier to chan
On 8/25/2021 12:45 PM, Chuck Zmudzinski wrote:
On 8/24/2021 7:12 PM, Ben Hutchings wrote:
On Tue, Aug 24, 2021 at 03:27:19PM -0400, Phillip Susi wrote:
Ben Hutchings writes:
I think a proper fix would be one of:
a. If the Xen virtual keyboard driver is advertising capabilities it
���
On 8/24/2021 7:12 PM, Ben Hutchings wrote:
On Tue, Aug 24, 2021 at 03:27:19PM -0400, Phillip Susi wrote:
Ben Hutchings writes:
I think a proper fix would be one of:
a. If the Xen virtual keyboard driver is advertising capabilities it
doesn't have, stop it doing that.
b. Change the implem
Chuck Zmudzinski writes:
> If it doesn't work, I am also willing to try approach a by patching
> the Linux kernel xen-kbdfront driver by removing the for loops that
> advertise those 654 keys. I tend to agree with Philip that this is
> totally unnecessary, but I suppose I could be wrong about th
On Wed, 2021-08-25 at 12:45 -0400, Chuck Zmudzinski wrote:
[...]
>
> I will try it in my bullseye Xen HVM DomU.
>
> I am not sure how to rebuild the installation media with a patched
> systemd, but I can patch my installed Xen HVM DomU system
> with a patched systemd with the increased buffer siz
On Tue, 2021-08-24 at 15:19 -0400, Chuck Zmudzinski wrote:
> On 8/24/2021 1:12 PM, Ben Hutchings wrote:
[...]
> > I think a proper fix would be one of:
> >
> > a. If the Xen virtual keyboard driver is advertising capabilities it
> > doesn't have, stop it doing that.
> > b. Change the implemen
On 8/24/2021 1:12 PM, Ben Hutchings wrote:
On Tue, 2021-08-24 at 10:56 -0400, Chuck Zmudzinski wrote:
On 5/24/2021 3:30 AM, Michael Biebl wrote:
Hi Phillip
Am 24.05.2021 um 06:19 schrieb Cyril Brulebois:
trigger to cold plug all devices. Both scripts are set -e. The Xen
Virtual Keyboard dri
On Tue, Aug 24, 2021 at 03:27:19PM -0400, Phillip Susi wrote:
>
> Ben Hutchings writes:
>
> > I think a proper fix would be one of:
> >
> > a. If the Xen virtual keyboard driver is advertising capabilities it
> >doesn't have, stop it doing that.
> > b. Change the implementation of modalias a
Ben Hutchings writes:
> I think a proper fix would be one of:
>
> a. If the Xen virtual keyboard driver is advertising capabilities it
>doesn't have, stop it doing that.
> b. Change the implementation of modalias attributes to allow longer
>values.
>
> It's not clear to me whether the X
On 5/24/2021 3:30 AM, Michael Biebl wrote:
Hi Phillip
Am 24.05.2021 um 06:19 schrieb Cyril Brulebois:
trigger to cold plug all devices. Both scripts are set -e. The Xen
Virtual Keyboard driver and at least one other driver have always
failed
to trigger due to having absurdly long modalias,
On Tue, 2021-08-24 at 10:56 -0400, Chuck Zmudzinski wrote:
> On 5/24/2021 3:30 AM, Michael Biebl wrote:
> > Hi Phillip
> >
> > Am 24.05.2021 um 06:19 schrieb Cyril Brulebois:
> > > > trigger to cold plug all devices. Both scripts are set -e. The Xen
> > > > Virtual Keyboard driver and at least o
On 5/25/2021 2:38 PM, Phillip Susi wrote:
Michael Biebl writes:
So this is a change in behaviour in the kernel?
Yes, this commit fixed the kernel to report the error instead of
silently failing:
commit df44b479654f62b478c18ee4d8bc4e9f897a9844
Author: Peter Rajnoha
Date: Wed Dec 5 12:27:44
Michael Biebl writes:
> So this is a change in behaviour in the kernel?
Yes, this commit fixed the kernel to report the error instead of
silently failing:
commit df44b479654f62b478c18ee4d8bc4e9f897a9844
Author: Peter Rajnoha
Date: Wed Dec 5 12:27:44 2018 +0100
kobject: return error cod
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