This hit me today on Ubuntu 18.04. Upgraded to kernel 4.15.0-72-generic
and the touchpad does not move. The touchpad *buttons* do work, but I
cannot move the cursor. Booting in to 4.15.0-70-generic makes them work
again.
I tried running apport-collect 1854896 but it says I can't do so because
I'm
Note, I'm running vanilla Ubuntu 18.04.3, *not* Mint.
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https://bugs.launchpad.net/bugs/1854896
Title:
Synaptics TM3336-004 Touchpad Stopped working after update to the
la
Public bug reported:
I have a Thinkpad P1 Gen 2. This specific machine was customized to NOT
have a discrete Nvidia GPU. It ONLY has an integrated Intel UHD 630 GPU.
This is not a hardware issue as Windows seems to handle things
correctly.
With an external monitor connected via HDMI, boot procee
dmesg output when HDMI is working
** Attachment added: "dmesg-working"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1886230/+attachment/5389517/+files/dmesg-working
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xrandr output when HDMI is working correctly
** Attachment added: "xrandr-working"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1886230/+attachment/5389515/+files/xrandr-working
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xrandr output after the bug occurs (i.e. HDMI is broken)
** Attachment added: "xrandr-broken"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1886230/+attachment/5389516/+files/xrandr-broken
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dmesg output after reboot, and HDMI is broken
** Attachment added: "dmesg-broken-post-reboot"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1886230/+attachment/5389518/+files/dmesg-broken-post-reboot
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Note, this occurs in both Wayland and X. Thus I think it's probably a
kernel issue.
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https://bugs.launchpad.net/bugs/1886230
Title:
Thinkpad P1 Gen2 HDMI doesn't work after
Tested on stock Ubuntu kernel 5.4.0, then 5.7.7, then 5.8.0-rc3 with
same results.
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https://bugs.launchpad.net/bugs/1886230
Title:
Thinkpad P1 Gen2 HDMI doesn't work after
Should I report this to upstream instead?
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https://bugs.launchpad.net/bugs/1886230
Title:
Thinkpad P1 Gen2 HDMI doesn't work after log out or reboot
Status in linux packag
The patch did not fix the issue. However, during boot, some error text
appeared that did not appear before:
[1.868916] [drm:drm_lspcon_set_mode [drm_kms_helper]] *ERROR* LSPCON mode
change timed out
[1.868970] [drm:lspcon_change_mode.constprop.0 [i915]] *ERROR* LSPCON mode
change failed
Re. the bug report in the email thread, they state that "if HDMI cable
isn't plugged before boot, the HDMI port becomes useless and never
responds to cable hotplugging"
However my situation seems to be the reverse: If the HDMI cable is
plugged in before cold boot, then the port appears to work thr
OK, I've filed a bug at
https://gitlab.freedesktop.org/drm/intel/-/issues/2145
I'll keep this bug report updated.
** Bug watch added: gitlab.freedesktop.org/drm/intel/-/issues #2145
https://gitlab.freedesktop.org/drm/intel/-/issues/2145
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In 12.04 this problem was fixable by downloading and compiling the JME
drivers (jmebp-1.0.8.5.tar.bz) from the JMicron web site.
However on 14.04 compiling the driver fails; it seems like there was an
API change in a newer version of the kernel. Consequently I can't get
ethernet working at all fo
FYI the driver I mentioned in #32 is here:
ftp://driver.jmicron.com.tw/Ethernet/Linux/
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https://bugs.launchpad.net/bugs/880316
Title:
Ubuntu installer can't setup network o
Re. #24, I was able to get the driver to compile, but not actually work, by
adding your changes and additionally changing
__vlan_hwaccel_put_tag(skb, vid)
to
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid);
I saw that they used the same value in fixing the Realtek driver here:
https://bugs.
So after some more digging it turns out that the 3.14 kernel line has
sources for the jme drivers, updated just 20 days ago, that can be
compiled on 14.04:
https://github.com/torvalds/linux/blob/master/drivers/net/ethernet/jme.c
These sources apply the fixes in #24 (weirdly committed over a year a
Public bug reported:
Summary:
Ubuntu version: 14.04 desktop x64
Problem hardware: JMicron JMC250 ethernet controller (jme drivers)
Expected behavior: Ethernet networking works when cable connected.
Actual behavior: Networking always shows "disconnected", even when cable
connected.
Details:
In Ub
I opened a new Launchpad bug #1310798 because this one seems to be about
missing drivers in an older Ubuntu version, not broken drivers. Maybe
by getting this re-focused we can get some love for this almost 3-year-
old bug.
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*** This bug is a duplicate of bug 880316 ***
https://bugs.launchpad.net/bugs/880316
This is not a duplicate, bug #880316 was solved in the comments (see
comment #4 and #5) because the drivers weren't included in the
distribution at all.
The fact that the drivers are totally broken deserves a
I think I may have found a possible workaround.
The stock drivers on 14.04 don't work out of the box for *gigabit
ethernet*. If you're connecting to a gigabit router, then open a
terminal and run:
$> sudo ethtool -s eth0 speed 100 duplex full
If you don't have ethtool installed, install with:
Jim, I "solved" the issue by disabling gigabit ethernet on the network
card with:
$> sudo ethtool -s eth0 speed 100 duplex full
This command has to be run on startup.
Here's the relevant lshw -c if you're still interested, run after the
above fix:
description: Ethernet interface
product
I tried installing the 3.16 kernel on Trusty. The touchpad was still
detected as a mouse.
I then tried applying the patch in #8 from the Github repo and the
touchpad stopped responding entirely--no movement or clicks.
Is there anything I can contribute to help get this fixed?
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I spoke with Andrew Duggan and he figured out that as of kernel 4.0 the
touchpad is incorrectly detected as a clickpad. That's why the touchpad
works, but in a flaky way. The good news is that this seems solvable.
All you have to do is:
synclient ClickPad=0
Palm detection is also off by default
FYI kernel 4.0-rc3 seems to add full trackpad support, including
scrolling and multitouch, out of the box for the RB 2015. However
there's a problem with the mouse buttons--left click is randomly dropped
about 50% of the time. Left click by tapping seems to work consistently
though.
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