Hello, this also happens on my laptop, Lenovo l390 Yoga. My "cat
/sys/class/dmi/id/chassis_type" is 31, my laptop is indeed convertible.
I have verified that everything is broken on
1) Xorg, gnome or KDE
2) sddm
but it works on
1) gdm3
2) wayland
What doesn't work: my keyboard doesn't work, the
In my case it was the same behavior, but the cause was a kernel boot
parameter(acpi=noirq).
Added details on how I found it here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1894012/comments/9
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I just typed a long email in reply to someone asking about the keyboard
not working by email. The contents of that email are likely useful for
other people who are still experiencing the keyboard not working too, so
I've copy and pasted my entire reply below.
If you still need help with this
I still experience the problem on ubuntu 20.04 with Lenovo Slim 9
14ITL5. The kennel is: 5.11.0-25-generic, and "cat
/sys/class/dmi/id/chassis_type" give me a number: 10. blacklisting
intel_vbtn doesn't fix the problem for me.
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This bug was fixed in the package linux - 5.10.0-14.15
---
linux (5.10.0-14.15) hirsute; urgency=medium
* hirsute/linux: 5.10.0-14.15 -proposed tracker (LP: #1913724)
* Restore palm ejection on multi-input devices (LP: #1913520)
- HID: multitouch: Apply MT_QUIRK_CONFIDENCE
I have the exact same problem; the keyboard type 10 and blacklistng
intel_vbtn kernel module in /etc/modprobe.d/blacklist.conf and reboot
didn't fix it. Tech info re hardware and OS: Distributor ID: Ubuntu
Description: Ubuntu Hirsute Hippo (development branch) Release: 21.04
(had the same issue
And somehow my windows is behaving in the same way as well. Oh, and
another thing, there is stream of b's (bbb) being
generated on both OS on my Latop. Any help, would be great
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I just received an patch yesterday on Live patch for Ubuntu 20.04.1, the
kernel version in my Laptop is 5.8.0-38-generic, but still I am having
this same bug from Ubuntu. Did try blacklisting intel_vbtn "sudoedit
/etc/modprobe.d/blacklist-intel_vbtn.conf" but the bug continues on my
Dell Inspiron
This bug is fixed for me in kernel 5.4.0-58-lowlatency, Chuwi Minibook
m3-8100Y. (The new bugs referred to above don't affect me, so far.)
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https://bugs.launchpad.net/bugs/1894017
Title:
I am seeing a similar reproduction, but earlier at the FDE passphrase
screen. My system apparently (at least under liveusb) reports
/sys/class/dmi/id/chassis_type==31
Seems related, but i've posted a new bug due to the chassis type being
"correct" (?)
5.9.12 + commit d823346876a970522ff9e4d2b323c9b734dcc4de:
https://people.canonical.com/~khfeng/lp1894017/
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Title:
Keyboard not working
To
@kaihengfeng, can you perhaps build a 5.9.xx kernel with:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d823346876a970522ff9e4d2b323c9b734dcc4de
added for @dacto from comment 25 to test ?
His device gets intel-vbtn SW_TABLET_MODE support enabled based on the
The fix pointed by Hans is included in Ubuntu kernel 5.4.0-55.61 and
onward.
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Title:
Keyboard not working
To manage notifications about this
System: HP Convertible x360 11-ab0XX
$ cat /sys/class/dmi/id/chassis_type 10
Ubuntu 20.04 LTS.
Last available for download 5.4.0-54. No new karnel updates are
detected. I'm confused because of what "Kevin Tang (dacto) wrote on
2020-11-25: #25" wrote. Not only because of new kernels available
chassis_type 31 is "Convertible", so we expect the intel-vbtn
SW_TABLET_MODE reporting to work there.
There was one other HP model which had a bit of a weird issue, this was
fixed by:
System: HP Convertible x360 11-ab0XX
$ cat /sys/class/dmi/id/chassis_type
31
Keyboard was working in 5.4.0-42.
Broken with update to 5.4.0-54.
Still broken in 5.9.10.
Working in 5.4.75.
Is 5.9.10 missing the fix that was included in 5.4.75 for chassis_type
31?
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@burritojohn, if you are seeing this on an Asus device then you are hit
by a different variant of what is in essence the same bug.
The Asus case is fixed by this upstream commit:
Affected too, with an asus x751BP laptop on groovy.
Blacklisting intel_vbtn doesn't change anything (not active with lsmod after
the blacklist bug the bug's still there). Still there with the latest kernel
from the update manager (5.8.0-26-generic) received today. The integrated
keyboard/mouse
Have you tried blacklisting the kernel module "intel_vbtn" as a
workaround?
By the way, on Chuwi Minibook m3-8100Y, "cat
/sys/class/dmi/id/chassis_type" returns "3", so all good in that regard.
Thanks, Hans!
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5.4.71!? Realy? And how long can it take when 5.4.0-55 is available?
Years? OMG That's very bad news for me.
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Title:
Keyboard not working
To
I have since received kernel 5.4.0-52 but this still has the same issue
(Keyboard AND Mouse not working).
I will continue to use 5.4.0-42 until this can be fixed - my only other option
is to revert to Windows (ugh!).
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This has been fixed in the upstream 5.4.71 stable series release, so as
soon as the Ubuntu kernels pick up the fixes from that release then this
should be resolved.
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I'm experiencing identical problem with HP Pavilion 11 x360. For me,
still only solution is to use kernel version -42. Installing 5.4.0-51
didn't solve the issue. Anyone know is solution is planed by Ubuntu
team?
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I received kernel 5.4.0-51 yesterday (2020.10.15) but it still hass the
same issue. I have reverted to using 5.4.0-42 to get my Ubuntu 20.4
going. Does any one know when the next stable series release will
happen ?
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Thank you for this Hans - it is really appreciated by me.
I will wait and see if the stable series release fixes this (hopefully soon ! ).
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I just got an email from gkh that both patches have also been added to
the various stable kernel series, including 5.4.x and 5.8.y, so they
should show up in the next stable series release for those kernels.
Thus if the Ubuntu kernel follows the stable series then this will get
fixed through
@handyboy, my fix for this has been merged by Linus for inclusion into
5.9. If one of the Ubuntu devs can add the 2 mentioned fixes to the next
20.04 kernel build then this issue should be resolved/fixed.
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I can confirm that cat /sys/class/dmi/id/chassis_type returns 10 on
Hewlett-Packard HP Pavilion 11 x360 PC.
I had the same issue using Ubuntu 18.04 and got around it by using kernel
5.4.0-42. When I upgraded to Ubuntu 20.04 I found the same issue and get
around it using kernel 5.4.0-42 again.
Confirmed:
cat /sys/class/dmi/id/chassis_type returns 10 on Acer Aspire E5-511G (Intel
Celeron N2940)
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Title:
Keyboard not working
To manage
For everyone who is seeing this issue with the intel-vbtn driver,
if you do:
cat /sys/class/dmi/id/chassis_type
On your laptop, and the output is NOT "31" or "32" then the
fix, which I linked above, should work for you.
If the output actually is "31" or "32 (which I do not expect),
then please
This should be fixed by this upstream commit, which landed in Linus'
tree a couple of hours ago:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/platform/x86?id=8169bd3e6e193497cab781acddcff8fde5d0c416
Note for the Ubuntu kernel devs: a similar bug was
I have exactly same bug on Acer Aspire E5-511G
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Title:
Keyboard not working
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Following a tip from [1] (the user there suspects their laptop is
erroneously entering tablet mode) I blacklisted the kernel module
intel_vbtn and it seems to do the trick, my laptop keyboard works again
on kernel 5.4.0-48.
I found a few other bug reports which may be related or duplicates. One
I can confirm both the bug and it being fixed in 5.4.18. Thanks!
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Title:
Keyboard not working
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After testing out various kernels, I've found that the keyboard and
trackpad gain functionality in kernel 5.4.18-050418-generic.
No luck in the latest (5.8~) yet, but as 5.4 is a LTS kernel for now
I'll just stick with booting to 5.4.18 as that's only a few point
releases behind current stable
Same here.
Same computer as original bug report (Hewlett-Packard HP Pavilion 11 x360 PC)
But different distro release (Xubuntu 20.04)
Laptop keyboard and trackpad totally nonfunctional on any kernel higher
than 5.4.0.42. Starting with 5.4.0-45 and all further kernels to today
(2020-09-22) the
+1
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Title:
Keyboard not working
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Having the same problem Bug #1894125
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Keyboard not working
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