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
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, but the error used to
be ignored. The kernel
Hi Phillip,
And thanks for debugging this… I must confess I've never touched
anything Xen related and I'd like to keep it that way in the near
future. ;-)
Phillip Susi (2021-05-19):
> The discussion upstream does not seem to be converging on a proper fix
> in the kernel, so I'm going to clone th
Package: debian-installer
Version: 20201202
Every bullseye netinst image I have tried to boot in a xen domU has
crashed and rebooted the domU after choosing any entry from the boot
menu. I thought there might have been something wrong with my xen
server, which was running Ubuntu 18.04, but I rebu
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