OLPC Firmware q3a63/Test plan

Completed testing.

• verify machine-signature value is CL1 ,
  • check,
• verify flash XO-1.75 firmware is prevented,
  • check,
• check that pong remains playable,
  • check,
• check output from .mppt is rational,
  • check,
• try the new bat-recover,
  • check, though mAh does not seem to climb,
• test USB hot plug behind hub, -r2152,
  • with no USB devices attached, boot to ok prompt, type dir u:, expected response is Can't open directory,
  • with a USB device attached, boot to ok prompt, type dir u:, expected response is directory contents,
  • with no USB devices attached, boot to ok prompt, type dir u:, expected response is Can't open directory, insert a USB drive directly into a port, type dir u:, expected response is directory contents,
  • with only a USB hub attached, boot to ok prompt, type dir u:, expected response is Can't open directory, insert a USB drive into the hub, type dir u:, expected response is directory contents,
  • on Q3A62, repeat above test, response was Can't open directory.
  • check,
• test USB overcurrent response, on ports and via hub, -r2155,
  • using shorting plug on host port, all ports go unpowered, no error message,
  • using shorting plug on hub port, hub indicator goes out, no error message,
  • fail, test hub inadequate, or a failure to understand,
    • checked with wmb, a proper test needs lots of hubs and devices.
• check that internal microSD and external SD can be read repeatedly,
  • dir int:\security many,
  • dir ext:\security many,
  • check,
• check that Linux kernel shows new device tree entries, -r2175,
  • check,
• write code that uses new feature $case .
  • check,
  • trivial stack effect comment fix, -r2188,