We found same issue on several devices (running Debian Whezzy with
kernel 3.14)
But. we have many other "same" device with this firmware reported from
psmouse:
[ 9.906882] psmouse serio4: elantech: assuming hardware version 3 (with
firmware version 0x450f02)
[ 9.920408] psmouse serio4: elantech: Synaptics capabilities query result
0x09, 0x16, 0x09.
i down know if same touch hardware with different firmware or the
hardware is no same
On the firmware 0x450f02 the problem does not happen
Do you have a bios update to try?
I will contact to our vendor to ask if bios update can be fix the
buggie devices.
on windows with 0x354f01 the issue is little different, the touchpad
freeze few seconds and work again.
# dmidecode 2.11
# SMBIOS entry point at 0x79269000
SMBIOS 2.7 present.
33 structures occupying 1568 bytes.
Table at 0x79268000.
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
Vendor: Phoenix Technologies Ltd.
Version: MPBYT10A.86A.0023.2014.0317.1155
Release Date: 03/17/2014
Address: 0xE0000
Runtime Size: 128 kB
ROM Size: 4096 kB
Characteristics:
PCI is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
NEC PC-98
ACPI is supported
USB legacy is supported
BIOS boot specification is supported
Function key-initiated network boot is supported
Targeted content distribution is supported
UEFI is supported
BIOS Revision: 0.1
Firmware Revision: 1.0
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https://bugs.launchpad.net/bugs/1369684
Title:
Elantech touchpad locks cursor when touching with 2 or more fingers
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