[Bug 2122398] Re: No on-screen keyboard on dell tablets

This bug is awaiting verification that the linux-azure-
fde-6.17/6.17.0-1008.8~24.04.1 kernel in -proposed solves the problem.
Please test the kernel and update this bug with the results. If the
problem is solved, change the tag 'verification-needed-noble-linux-
azure-fde-6.17' to 'verification-done-noble-linux-azure-fde-6.17'. If
the problem still exists, change the tag 'verification-needed-noble-
linux-azure-fde-6.17' to 'verification-failed-noble-linux-azure-
fde-6.17'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-noble-linux-azure-fde-6.17-v2 verification-needed-noble-linux-azure-fde-6.17

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https://bugs.launchpad.net/bugs/2122398

Title:
No on-screen keyboard on dell tablets

Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-6.14 package in Ubuntu:
Invalid
Status in linux-oem-6.17 package in Ubuntu:
New
Status in linux source package in Noble:
In Progress
Status in linux-oem-6.14 source package in Noble:
Fix Released
Status in linux-oem-6.17 source package in Noble:
Fix Released
Status in linux source package in Questing:
Fix Released
Status in linux-oem-6.14 source package in Questing:
Invalid
Status in linux-oem-6.17 source package in Questing:
Invalid

Bug description:
[Impact]
No on-screen keyboard in gdm and can't enter password if there is no keyboard is connected.

[Fix]
Added those tablets to dmi_vgbs_allow_list() to read tablet mode while probing fixes the issue.
https://lkml.org/lkml/2025/11/27/285

Included in v6.19-rc1
b169e1733cadb platform/x86/intel/hid: Add Dell Pro Rugged 10/12 tablet to VGBS DMI quirks

[Test]
Boot up the affected tablets to gdm without touching any physical keys, the on-screen keyboard should pop up.

[Where problems could occur]
Current BIOS is reliablely to report the tablet mode during probing intel hid driver, but when it fails, it may report the wrong state and show the on-screen keyboard when keyboard is connected.

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