[Bug 1318708] Re: Can not record sound on Ubuntu 12.04.4 with default driver

[EricDu]

This bug is just for getting used to Lanunchpad, close it as invalid to
avoid any confusion.

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https://bugs.launchpad.net/bugs/1318708

Title:
  Can not record sound on Ubuntu 12.04.4 with default driver

Status in “avahi” package in Ubuntu:
  Invalid

Bug description:
  ENV information:

  OS: Ubuntu 12.04.4
  Audio driver information: XXXXXXXXXX
  Test case: XXXXXXXXXX
  Laptop version: XXXXXXXXXXXXXX
  Laptop lab: XXXXXXXXXX

  Reproduction Steps:
  1. Install Ubuntu on laptop with Audio driver-XXXXXX
  2. Run test case XXXXXXXXXXX

  Result:
  No sound recording

  Expected result:
  Sound should be recorded

  Analysis: 
  1. Try with other laptops with same version+Ubuntu.04.4, same error
  2. Try with former version of laptop  + Ubuntu 12.04.4, same error
  3. Try this laptop  + Ubuntu12.04.4+former Audio driver, can work
  4. Try this laptop+ Ubuntu 12.04.0 + default Audio driver, same error

  Therefore, this bug is introduced in the code change between Audio
  driver XXXXXX -- UUUUUUUU

  5. Test tool log indicates: the driver can be open correctly, but can not record sound and there is no crash
  6. Code diff between these two versions are: 
  ***********************
  code change
  code change
  ***************************

  Looks like function XXXXXXX can not work.

  Note:
  1. Logs attached: system log, boot log, audio driver log, test tool log
  2. The ENV is available till 05-15, which can be accessed by: 10.XX.XX.Xx, root/$$$$$$$

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