** Description changed: I ports Ubuntu touch to LG L90 Dual. When I upgraded my device from 20151218.1 to 20151221 (channel rc-proposed), the touchscreen stopped working. A discussion in IRC with @anpok_ suggesting that it may come - from changing input system to libevent. - - $ udevadm test-builtin input_id /devices/gpio_keys.70/input/input2/ - calling: test-builtin - === trie on-disk === - tool version: 219 - file size: 6711498 bytes - header size 80 bytes - strings 1721914 bytes - nodes 4989504 bytes - Load module index - Network interface NamePolicy= disabled on kernel command line, ignoring. - timestamp of '/etc/systemd/network' changed - timestamp of '/usr/lib/systemd/network' changed - Parsed configuration file /lib/systemd/network/99-default.link - Parsed configuration file /etc/systemd/network/00-rmnet-kernel.link - Created link configuration context. - ID_INPUT=1 - capabilities/ev raw kernel attribute: 3 - capabilities/ev decoded bit map: - bit 0: 00000003 - capabilities/abs raw kernel attribute: 0 - capabilities/abs decoded bit map: - capabilities/rel raw kernel attribute: 0 - capabilities/rel decoded bit map: - capabilities/key raw kernel attribute: 4000000 0 0 0 c0040 0 0 0 - capabilities/key decoded bit map: - bit 0: 00000000 - bit 32: 00000000 - bit 64: 00000000 - bit 96: 000C0040 - bit 128: 00000000 - bit 160: 00000000 - bit 192: 00000000 - bit 224: 04000000 - properties raw kernel attribute: 0 - properties decoded bit map: - test_key: checking bit block 0 for any keys; found=0 - test_key: checking bit block 32 for any keys; found=0 - test_key: checking bit block 64 for any keys; found=0 - test_key: checking bit block 96 for any keys; found=1 - test_key: checking bit block 128 for any keys; found=1 - test_key: checking bit block 160 for any keys; found=1 - test_key: checking bit block 192 for any keys; found=1 - test_key: checking bit block 224 for any keys; found=1 - ID_INPUT_KEY=1 - Unload module index - Unloaded link configuration context. + from changing input system to udev/libevdev/libinput. + + The following udevadm output is most likely from the Touch Screen: $ udevadm test-builtin input_id /devices/virtual/input/input0/ calling: test-builtin === trie on-disk === tool version: 219 file size: 6711498 bytes header size 80 bytes strings 1721914 bytes nodes 4989504 bytes Load module index Network interface NamePolicy= disabled on kernel command line, ignoring. timestamp of '/etc/systemd/network' changed timestamp of '/usr/lib/systemd/network' changed Parsed configuration file /lib/systemd/network/99-default.link Parsed configuration file /etc/systemd/network/00-rmnet-kernel.link Created link configuration context. ID_INPUT=1 capabilities/ev raw kernel attribute: b capabilities/ev decoded bit map: bit 0: 0000000B capabilities/abs raw kernel attribute: 6718000 0 capabilities/abs decoded bit map: bit 0: 00000000 bit 32: 06718000 capabilities/rel raw kernel attribute: 0 capabilities/rel decoded bit map: capabilities/key raw kernel attribute: 400 0 0 2000000 0 1000 40000800 100000 0 10000000 0 capabilities/key decoded bit map: bit 0: 00000000 bit 32: 10000000 bit 64: 00000000 bit 96: 00100000 bit 128: 40000800 bit 160: 00001000 bit 192: 00000000 bit 224: 02000000 bit 256: 00000000 bit 288: 00000000 bit 320: 00000400 properties raw kernel attribute: 0 properties decoded bit map: test_key: checking bit block 0 for any keys; found=0 test_key: checking bit block 32 for any keys; found=1 test_key: checking bit block 64 for any keys; found=1 test_key: checking bit block 96 for any keys; found=1 test_key: checking bit block 128 for any keys; found=1 test_key: checking bit block 160 for any keys; found=1 test_key: checking bit block 192 for any keys; found=1 test_key: checking bit block 224 for any keys; found=1 ID_INPUT_KEY=1 Unload module index Unloaded link configuration context. - $ udevadm test-builtin input_id /devices/virtual/input/input1/ + The driver claims that is provides the multi touch axis touch major, + touch minor, tracking id, x, y, tool type and slot id. So apart from + missing properties like DIRECT it seems to be a normal touch screen, but + udev clearly does not detect it properly. + + + ---------------------------------------------------------- + The other devices are probably not the touchscreen... + + $ udevadm test-builtin input_id /devices/gpio_keys.70/input/input2/ calling: test-builtin === trie on-disk === tool version: 219 file size: 6711498 bytes header size 80 bytes strings 1721914 bytes nodes 4989504 bytes Load module index Network interface NamePolicy= disabled on kernel command line, ignoring. timestamp of '/etc/systemd/network' changed timestamp of '/usr/lib/systemd/network' changed Parsed configuration file /lib/systemd/network/99-default.link Parsed configuration file /etc/systemd/network/00-rmnet-kernel.link Created link configuration context. ID_INPUT=1 capabilities/ev raw kernel attribute: 3 capabilities/ev decoded bit map: - bit 0: 00000003 - capabilities/abs raw kernel attribute: 0 - capabilities/abs decoded bit map: - capabilities/rel raw kernel attribute: 0 - capabilities/rel decoded bit map: - capabilities/key raw kernel attribute: 100000 0 0 0 - capabilities/key decoded bit map: - bit 0: 00000000 - bit 32: 00000000 - bit 64: 00000000 - bit 96: 00100000 - properties raw kernel attribute: 10 - properties decoded bit map: - bit 0: 00000010 + bit 0: 00000003 + capabilities/abs raw kernel attribute: 0 + capabilities/abs decoded bit map: + capabilities/rel raw kernel attribute: 0 + capabilities/rel decoded bit map: + capabilities/key raw kernel attribute: 4000000 0 0 0 c0040 0 0 0 + capabilities/key decoded bit map: + bit 0: 00000000 + bit 32: 00000000 + bit 64: 00000000 + bit 96: 000C0040 + bit 128: 00000000 + bit 160: 00000000 + bit 192: 00000000 + bit 224: 04000000 + properties raw kernel attribute: 0 + properties decoded bit map: test_key: checking bit block 0 for any keys; found=0 test_key: checking bit block 32 for any keys; found=0 test_key: checking bit block 64 for any keys; found=0 test_key: checking bit block 96 for any keys; found=1 test_key: checking bit block 128 for any keys; found=1 test_key: checking bit block 160 for any keys; found=1 test_key: checking bit block 192 for any keys; found=1 test_key: checking bit block 224 for any keys; found=1 ID_INPUT_KEY=1 Unload module index Unloaded link configuration context. - $ udevadm test-builtin input_id /devices/sound-9302.42/sound/card0/input3/ + + $ udevadm test-builtin input_id /devices/virtual/input/input1/ calling: test-builtin === trie on-disk === tool version: 219 file size: 6711498 bytes header size 80 bytes strings 1721914 bytes nodes 4989504 bytes Load module index Network interface NamePolicy= disabled on kernel command line, ignoring. timestamp of '/etc/systemd/network' changed timestamp of '/usr/lib/systemd/network' changed Parsed configuration file /lib/systemd/network/99-default.link Parsed configuration file /etc/systemd/network/00-rmnet-kernel.link Created link configuration context. ID_INPUT=1 capabilities/ev raw kernel attribute: 3 capabilities/ev decoded bit map: - bit 0: 00000003 - capabilities/abs raw kernel attribute: 0 - capabilities/abs decoded bit map: - capabilities/rel raw kernel attribute: 0 - capabilities/rel decoded bit map: - capabilities/key raw kernel attribute: 7a 4 0 0 0 c0000 0 0 0 - capabilities/key decoded bit map: - bit 0: 00000000 - bit 32: 00000000 - bit 64: 00000000 - bit 96: 000C0000 - bit 128: 00000000 - bit 160: 00000000 - bit 192: 00000000 - bit 224: 00000004 - bit 256: 0000007A - properties raw kernel attribute: 0 - properties decoded bit map: + bit 0: 00000003 + capabilities/abs raw kernel attribute: 0 + capabilities/abs decoded bit map: + capabilities/rel raw kernel attribute: 0 + capabilities/rel decoded bit map: + capabilities/key raw kernel attribute: 100000 0 0 0 + capabilities/key decoded bit map: + bit 0: 00000000 + bit 32: 00000000 + bit 64: 00000000 + bit 96: 00100000 + properties raw kernel attribute: 10 + properties decoded bit map: + bit 0: 00000010 test_key: checking bit block 0 for any keys; found=0 test_key: checking bit block 32 for any keys; found=0 test_key: checking bit block 64 for any keys; found=0 test_key: checking bit block 96 for any keys; found=1 test_key: checking bit block 128 for any keys; found=1 test_key: checking bit block 160 for any keys; found=1 test_key: checking bit block 192 for any keys; found=1 test_key: checking bit block 224 for any keys; found=1 ID_INPUT_KEY=1 Unload module index Unloaded link configuration context. + $ udevadm test-builtin input_id /devices/sound-9302.42/sound/card0/input3/ + calling: test-builtin + === trie on-disk === + tool version: 219 + file size: 6711498 bytes + header size 80 bytes + strings 1721914 bytes + nodes 4989504 bytes + Load module index + Network interface NamePolicy= disabled on kernel command line, ignoring. + timestamp of '/etc/systemd/network' changed + timestamp of '/usr/lib/systemd/network' changed + Parsed configuration file /lib/systemd/network/99-default.link + Parsed configuration file /etc/systemd/network/00-rmnet-kernel.link + Created link configuration context. + ID_INPUT=1 + capabilities/ev raw kernel attribute: 3 + capabilities/ev decoded bit map: + bit 0: 00000003 + capabilities/abs raw kernel attribute: 0 + capabilities/abs decoded bit map: + capabilities/rel raw kernel attribute: 0 + capabilities/rel decoded bit map: + capabilities/key raw kernel attribute: 7a 4 0 0 0 c0000 0 0 0 + capabilities/key decoded bit map: + bit 0: 00000000 + bit 32: 00000000 + bit 64: 00000000 + bit 96: 000C0000 + bit 128: 00000000 + bit 160: 00000000 + bit 192: 00000000 + bit 224: 00000004 + bit 256: 0000007A + properties raw kernel attribute: 0 + properties decoded bit map: + test_key: checking bit block 0 for any keys; found=0 + test_key: checking bit block 32 for any keys; found=0 + test_key: checking bit block 64 for any keys; found=0 + test_key: checking bit block 96 for any keys; found=1 + test_key: checking bit block 128 for any keys; found=1 + test_key: checking bit block 160 for any keys; found=1 + test_key: checking bit block 192 for any keys; found=1 + test_key: checking bit block 224 for any keys; found=1 + ID_INPUT_KEY=1 + Unload module index + Unloaded link configuration context. + $ udevadm test-builtin input_id /devices/sound-9302.42/sound/card0/input4/ calling: test-builtin === trie on-disk === tool version: 219 file size: 6711498 bytes header size 80 bytes strings 1721914 bytes nodes 4989504 bytes Load module index Network interface NamePolicy= disabled on kernel command line, ignoring. timestamp of '/etc/systemd/network' changed timestamp of '/usr/lib/systemd/network' changed Parsed configuration file /lib/systemd/network/99-default.link Parsed configuration file /etc/systemd/network/00-rmnet-kernel.link Created link configuration context. ID_INPUT=1 capabilities/ev raw kernel attribute: 21 capabilities/ev decoded bit map: - bit 0: 00000021 + bit 0: 00000021 capabilities/abs raw kernel attribute: 0 capabilities/abs decoded bit map: capabilities/rel raw kernel attribute: 0 capabilities/rel decoded bit map: capabilities/key raw kernel attribute: 0 capabilities/key decoded bit map: properties raw kernel attribute: 0 properties decoded bit map: test_key: no EV_KEY capability Unload module index Unloaded link configuration context.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to mir in Ubuntu. https://bugs.launchpad.net/bugs/1530384 Title: Touchscreen stop working on LG L90 Dual Status in Canonical System Image: New Status in mir package in Ubuntu: New Bug description: I ports Ubuntu touch to LG L90 Dual. When I upgraded my device from 20151218.1 to 20151221 (channel rc-proposed), the touchscreen stopped working. A discussion in IRC with @anpok_ suggesting that it may come from changing input system to udev/libevdev/libinput. The following udevadm output is most likely from the Touch Screen: $ udevadm test-builtin input_id /devices/virtual/input/input0/ calling: test-builtin === trie on-disk === tool version: 219 file size: 6711498 bytes header size 80 bytes strings 1721914 bytes nodes 4989504 bytes Load module index Network interface NamePolicy= disabled on kernel command line, ignoring. timestamp of '/etc/systemd/network' changed timestamp of '/usr/lib/systemd/network' changed Parsed configuration file /lib/systemd/network/99-default.link Parsed configuration file /etc/systemd/network/00-rmnet-kernel.link Created link configuration context. ID_INPUT=1 capabilities/ev raw kernel attribute: b capabilities/ev decoded bit map: bit 0: 0000000B capabilities/abs raw kernel attribute: 6718000 0 capabilities/abs decoded bit map: bit 0: 00000000 bit 32: 06718000 capabilities/rel raw kernel attribute: 0 capabilities/rel decoded bit map: capabilities/key raw kernel attribute: 400 0 0 2000000 0 1000 40000800 100000 0 10000000 0 capabilities/key decoded bit map: bit 0: 00000000 bit 32: 10000000 bit 64: 00000000 bit 96: 00100000 bit 128: 40000800 bit 160: 00001000 bit 192: 00000000 bit 224: 02000000 bit 256: 00000000 bit 288: 00000000 bit 320: 00000400 properties raw kernel attribute: 0 properties decoded bit map: test_key: checking bit block 0 for any keys; found=0 test_key: checking bit block 32 for any keys; found=1 test_key: checking bit block 64 for any keys; found=1 test_key: checking bit block 96 for any keys; found=1 test_key: checking bit block 128 for any keys; found=1 test_key: checking bit block 160 for any keys; found=1 test_key: checking bit block 192 for any keys; found=1 test_key: checking bit block 224 for any keys; found=1 ID_INPUT_KEY=1 Unload module index Unloaded link configuration context. The driver claims that is provides the multi touch axis touch major, touch minor, tracking id, x, y, tool type and slot id. So apart from missing properties like DIRECT it seems to be a normal touch screen, but udev clearly does not detect it properly. ---------------------------------------------------------- The other devices are probably not the touchscreen... $ udevadm test-builtin input_id /devices/gpio_keys.70/input/input2/ calling: test-builtin === trie on-disk === tool version: 219 file size: 6711498 bytes header size 80 bytes strings 1721914 bytes nodes 4989504 bytes Load module index Network interface NamePolicy= disabled on kernel command line, ignoring. timestamp of '/etc/systemd/network' changed timestamp of '/usr/lib/systemd/network' changed Parsed configuration file /lib/systemd/network/99-default.link Parsed configuration file /etc/systemd/network/00-rmnet-kernel.link Created link configuration context. ID_INPUT=1 capabilities/ev raw kernel attribute: 3 capabilities/ev decoded bit map: bit 0: 00000003 capabilities/abs raw kernel attribute: 0 capabilities/abs decoded bit map: capabilities/rel raw kernel attribute: 0 capabilities/rel decoded bit map: capabilities/key raw kernel attribute: 4000000 0 0 0 c0040 0 0 0 capabilities/key decoded bit map: bit 0: 00000000 bit 32: 00000000 bit 64: 00000000 bit 96: 000C0040 bit 128: 00000000 bit 160: 00000000 bit 192: 00000000 bit 224: 04000000 properties raw kernel attribute: 0 properties decoded bit map: test_key: checking bit block 0 for any keys; found=0 test_key: checking bit block 32 for any keys; found=0 test_key: checking bit block 64 for any keys; found=0 test_key: checking bit block 96 for any keys; found=1 test_key: checking bit block 128 for any keys; found=1 test_key: checking bit block 160 for any keys; found=1 test_key: checking bit block 192 for any keys; found=1 test_key: checking bit block 224 for any keys; found=1 ID_INPUT_KEY=1 Unload module index Unloaded link configuration context. $ udevadm test-builtin input_id /devices/virtual/input/input1/ calling: test-builtin === trie on-disk === tool version: 219 file size: 6711498 bytes header size 80 bytes strings 1721914 bytes nodes 4989504 bytes Load module index Network interface NamePolicy= disabled on kernel command line, ignoring. timestamp of '/etc/systemd/network' changed timestamp of '/usr/lib/systemd/network' changed Parsed configuration file /lib/systemd/network/99-default.link Parsed configuration file /etc/systemd/network/00-rmnet-kernel.link Created link configuration context. ID_INPUT=1 capabilities/ev raw kernel attribute: 3 capabilities/ev decoded bit map: bit 0: 00000003 capabilities/abs raw kernel attribute: 0 capabilities/abs decoded bit map: capabilities/rel raw kernel attribute: 0 capabilities/rel decoded bit map: capabilities/key raw kernel attribute: 100000 0 0 0 capabilities/key decoded bit map: bit 0: 00000000 bit 32: 00000000 bit 64: 00000000 bit 96: 00100000 properties raw kernel attribute: 10 properties decoded bit map: bit 0: 00000010 test_key: checking bit block 0 for any keys; found=0 test_key: checking bit block 32 for any keys; found=0 test_key: checking bit block 64 for any keys; found=0 test_key: checking bit block 96 for any keys; found=1 test_key: checking bit block 128 for any keys; found=1 test_key: checking bit block 160 for any keys; found=1 test_key: checking bit block 192 for any keys; found=1 test_key: checking bit block 224 for any keys; found=1 ID_INPUT_KEY=1 Unload module index Unloaded link configuration context. $ udevadm test-builtin input_id /devices/sound-9302.42/sound/card0/input3/ calling: test-builtin === trie on-disk === tool version: 219 file size: 6711498 bytes header size 80 bytes strings 1721914 bytes nodes 4989504 bytes Load module index Network interface NamePolicy= disabled on kernel command line, ignoring. timestamp of '/etc/systemd/network' changed timestamp of '/usr/lib/systemd/network' changed Parsed configuration file /lib/systemd/network/99-default.link Parsed configuration file /etc/systemd/network/00-rmnet-kernel.link Created link configuration context. ID_INPUT=1 capabilities/ev raw kernel attribute: 3 capabilities/ev decoded bit map: bit 0: 00000003 capabilities/abs raw kernel attribute: 0 capabilities/abs decoded bit map: capabilities/rel raw kernel attribute: 0 capabilities/rel decoded bit map: capabilities/key raw kernel attribute: 7a 4 0 0 0 c0000 0 0 0 capabilities/key decoded bit map: bit 0: 00000000 bit 32: 00000000 bit 64: 00000000 bit 96: 000C0000 bit 128: 00000000 bit 160: 00000000 bit 192: 00000000 bit 224: 00000004 bit 256: 0000007A properties raw kernel attribute: 0 properties decoded bit map: test_key: checking bit block 0 for any keys; found=0 test_key: checking bit block 32 for any keys; found=0 test_key: checking bit block 64 for any keys; found=0 test_key: checking bit block 96 for any keys; found=1 test_key: checking bit block 128 for any keys; found=1 test_key: checking bit block 160 for any keys; found=1 test_key: checking bit block 192 for any keys; found=1 test_key: checking bit block 224 for any keys; found=1 ID_INPUT_KEY=1 Unload module index Unloaded link configuration context. $ udevadm test-builtin input_id /devices/sound-9302.42/sound/card0/input4/ calling: test-builtin === trie on-disk === tool version: 219 file size: 6711498 bytes header size 80 bytes strings 1721914 bytes nodes 4989504 bytes Load module index Network interface NamePolicy= disabled on kernel command line, ignoring. timestamp of '/etc/systemd/network' changed timestamp of '/usr/lib/systemd/network' changed Parsed configuration file /lib/systemd/network/99-default.link Parsed configuration file /etc/systemd/network/00-rmnet-kernel.link Created link configuration context. ID_INPUT=1 capabilities/ev raw kernel attribute: 21 capabilities/ev decoded bit map: bit 0: 00000021 capabilities/abs raw kernel attribute: 0 capabilities/abs decoded bit map: capabilities/rel raw kernel attribute: 0 capabilities/rel decoded bit map: capabilities/key raw kernel attribute: 0 capabilities/key decoded bit map: properties raw kernel attribute: 0 properties decoded bit map: test_key: no EV_KEY capability Unload module index Unloaded link configuration context. To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1530384/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp