** Tags added: r11
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https://bugs.launchpad.net/bugs/1609745
Title:
Touch screen not working on Acer Chromebook R11,
CONFIG_TOUCHSCREEN_ELAN not enabled on mainline 4.7
Timo Jyrinki, the next step is to fully reverse commit bisect from
kernel 4.4 to 4.7 in order to identify the last bad commit, followed
immediately by the first good one. Once this good commit has been
identified, it may be reviewed for backporting. Could you please do this
following
** Attachment removed: "JournalErrors.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1609745/+attachment/4714584/+files/JournalErrors.txt
** Attachment removed: "ProcEnviron.txt"
The actual problem/bug is that for some reason the mainline Ubuntu 4.7
kernel lacks CONFIG_TOUCHSCREEN_ELAN. In 4.4 Ubuntu kernel
CONFIG_TOUCHSCREEN_ELAN is defined, but the touchscreen doesn't work.
However with mainline Ubuntu kernel sources, and CONFIG_TOUCHSCREEN_ELAN
enabled manually via a
Actually there was a change: with mainline 4.7 kernel there is no trace
of the touchscreen anymore in dmesg or xinput.
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Title:
** Bug watch added: Linux Kernel Bug Tracker #151531
http://bugzilla.kernel.org/show_bug.cgi?id=151531
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=151531
Importance: Unknown
Status: Unknown
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apport information
** Description changed:
Touch screen seems to be identified as far as I can see, but there's no
working input. I've tried among else xinput test-xi2, reattach command
but it seems simply non-functional for whatever reason.
It works on the ChromeOS side.
I'll
No change on 4.7 mainline kernel.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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it is a kernel bug, closing for xorg
** Changed in: xorg (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1609745
Title:
Touch screen not working
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.7
** Tags removed: single-occurrence
** Tags added: r11
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Title:
Touch screen not working on Acer Chromebook R11
Status in linux
11 matches
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