#4470 BLOC Update.: WLAN stops working after good functionality

Zarro Boogs per Child bugtracker at laptop.org
Thu Nov 15 09:25:59 EST 2007


#4470: WLAN stops working after good functionality
-----------------------+----------------------------------------------------
  Reporter:  kimquirk  |       Owner:  dwmw2   
      Type:  defect    |      Status:  new     
  Priority:  blocker   |   Milestone:  Update.1
 Component:  wireless  |     Version:          
Resolution:            |    Keywords:          
  Verified:  1         |  
-----------------------+----------------------------------------------------

Comment(by jcardona):

 There seems to be three problems that combined are causing the command
 queue to stop:

  1. The driver sends a subsequent command before receiving a response from
 the previous one.

  The priv->dnld_sent flag does not guard against sending a command when
 the previous command is still pending, as the flag is used for both data
 and command urbs, and is cleared after successful URB transmissions.

  2. The firmware will fail to return a response to some scan commands
 (unknown if related to previous or not).  The team in Pune is looking into
 this.

  3. The command retry timer on the driver does not fire.  Not clear when
 this stopped working.  It used to work in previous versions of the driver.

-- 
Ticket URL: <http://dev.laptop.org/ticket/4470#comment:60>
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