touch-packages team mailing list archive

[Martin Pitt <martin.pitt@xxxxxxxxxx>]

Fix landed upstream, thanks Andreas!

** Package changed: udev (Ubuntu) => systemd (Ubuntu)

** Changed in: systemd (Ubuntu)
       Status: Triaged => Fix Committed

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https://bugs.launchpad.net/bugs/1530384

Title:
  [regression] Touchscreen stop working on LG L90 Dual

Status in Canonical System Image:
  Confirmed
Status in Mir:
  Invalid
Status in udev:
  Confirmed
Status in systemd package in Ubuntu:
  Fix Committed

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.

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