Comment 75 for bug 374459

Still not fixed for Acer Aspire 7738G (look #57 here too):

1. modprobe -r psmouse && modprobe psmouse - works when the button is in turned off state (not lit)
2. i8042.nomux kernel option works but makes the side scrollarea (it has a separate area for scroll - http://www.notebookcheck.net/typo3temp/pics/931e067a0d.jpg) stop working properly

Ubuntu 9.10 all latest packages and kernel.

root@acer:~# uname -a
Linux acer 2.6.31-21-generic #59-Ubuntu SMP Wed Mar 24 07:28:27 UTC 2010 x86_64 GNU/Linux

Some of the DMI info:

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
 Vendor: Phoenix Technologies LTD
 Version: V1.12
 Release Date: 09/18/2009
 Address: 0xE4510
 Runtime Size: 113392 bytes
 ROM Size: 2048 kB
 Characteristics:
  ISA is supported
  PCI is supported
  PC Card (PCMCIA) is supported
  PNP is supported
  BIOS is upgradeable
  BIOS shadowing is allowed
  ESCD support is available
  Boot from CD is supported
  ACPI is supported
  USB legacy is supported
  AGP is supported
  BIOS boot specification is supported
  Targeted content distribution is supported

Handle 0x0001, DMI type 1, 27 bytes
System Information
 Manufacturer: Acer
 Product Name: Aspire 7738
 Version: 0100
 Serial Number: XXXXXXXXXXXXXXXXXXXXXXXXXX
 UUID: XXXXXXXXXXXXXXXXXXXXXXXXXX
 Wake-up Type: Power Switch
 SKU Number: Not Specified
 Family: Not Specified

Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
 Manufacturer: Acer
 Product Name: JM70
 Version: Rev
 Serial Number: XXXXXXXXXXXXXXXXXXXXXXXXXX
 Asset Tag: Not Specified
 Features: None
 Location In Chassis: Not Specified
 Chassis Handle: 0xFFFF
 Type: Unknown
 Contained Object Handles: 0
......................
......................
Handle 0x0008, DMI type 8, 9 bytes
Port Connector Information
 Internal Reference Designator: J1A1
 Internal Connector Type: None
 External Reference Designator: Keyboard
 External Connector Type: Circular DIN-8 male
 Port Type: Keyboard Port

Handle 0x0009, DMI type 8, 9 bytes
Port Connector Information
 Internal Reference Designator: J1A1
 Internal Connector Type: None
 External Reference Designator: PS/2 Mouse
 External Connector Type: Circular DIN-8 male
 Port Type: Mouse Port