It's all about ACPI.
I've tried several kernels from 4.10 to 4.13, and the following is true
for all of them:
- gnome+xorg freezes after login if acpi=on
- gnome+wayland works if acpi=on, but has many issues which make it unusable
(for example, I cannot open synaptic or any other gksudo applicat
Found the culprit: it's the Intel GPU.
If I use Intel IGP, the situation is as I described. If I use the nvidia
graphics card, everything works fine with gnome+org, acpi=on.
I've read that support on the IGP for i7-7700HQ on linux is still
ongoing work, so I guess I'll have to wait before I can u
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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Title:
touch pad stopped working after upgrade to artful 17.10
S
Marked as invalid, since it's not about the touchpad in ubuntu 17.10. Anyway,
for the record, I meant the problems go as follows:
- everything works fine with nvida + propietary driver + acpi=on
- gnome+xorg freezes after login if intel gpu + acpi=on
- gnome+wayland works, but has many issues prob
Public bug reported:
The touch pad worked fine on 16.10 and 17.04, but it stopped working after
upgrade to artful 17.10.
It doesn't appear with xinput list, and I cannot find any line in dmesg
referring to the touchpad ... so I need help even to report the exact device id!
Ubuntu 4.13.0-19.22-g
apport information
** Tags added: apport-collected
** Description changed:
The touch pad worked fine on 16.10 and 17.04, but it stopped working after
upgrade to artful 17.10.
It doesn't appear with xinput list, and I cannot find any line in dmesg
referring to the touchpad ... so I need hel
apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023500/+files/PulseList.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023498/+files/ProcInterrupts.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023496/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023491/+files/CurrentDmesg.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023497/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023495/+files/Lsusb.txt
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apport information
** Attachment added: "JournalErrors.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023493/+files/JournalErrors.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023499/+files/ProcModules.txt
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** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023501/+files/RfKill.txt
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** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023490/+files/CRDA.txt
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Ti
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023503/+files/WifiSyslog.txt
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I booted with a 16.10 usb disk, the touchpad works, the output of
xinput.list is:
⎡ Virtual core pointer id=2[master pointer (3)]
⎜ ↳ Virtual core XTEST pointerid=4[slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPadid=13 [sla
apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023492/+files/IwConfig.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023502/+files/UdevDb.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1738560/+attachment/5023494/+files/Lspci.txt
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Installed apport, run apport-collect 1738560, changed status to
Confirmed.
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Title:
touch pad stopped working after upgrade to artful
However, if I run xinput list within 17.10 I get:
⎡ Virtual core pointer id=2[master pointer (3)]
⎜ ↳ Virtual core XTEST pointerid=4[slave pointer (2)]
⎜ ↳ USB Optical Mouse id=7[slave pointer (2)]
⎣ Virtual core
I just went through the info from apport: wow, do you really collect and
publish in the open that much info? It doesn't have passwords, but it
potentially has emails, paths, wireless networks IDs, attack vectors
etc. And it's irrevertible, I cannot hide that data from the internet
bots now. I think
I also had the problem occasionally, I tried kernel 5.15.0-40 but the
problem still appeared from time to time. Disabling screen lock solved
the problem, but this is functionality I miss :-(
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