#2621 BLOC Trial-3: wireless suspend/resume failure under high-traffic

[Zarro Boogs per Child]

#2621: wireless suspend/resume failure under high-traffic
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  Reporter:  marcelo   |       Owner:  rchokshi
      Type:  defect    |      Status:  new     
  Priority:  blocker   |   Milestone:  Trial-3 
 Component:  wireless  |     Version:          
Resolution:            |    Keywords:  power   
  Verified:  0         |  
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Comment(by wad):

 Just noting that this is probably the same problem as #1752.

 In order to reproduce this problem, start with two laptops: one under test
 (the test laptop) and one triggering it with a ping flood (the trigger).

 On both laptops, from a root console, type:
  init 3
  service NetworkManager stop
  iwconfig eth0 essid testing mode ad-hoc
  iwconfig eth0 channel 11

 On the test laptop, type:
  ifconfig msh0 192.168.4.50

 On the trigger laptop, type:
  ifconfig msh0 192.168.4.51

 Now, to start the test, on the test laptop type:
  count=0
  while true; do ((count=count+1)); echo $count; echo mem >
 /sys/power/state; done

 And on the trigger laptop, type:
  ping 192.168.4.50 &
  ping -f 192.168.4.50

 It has been suggested that also pinging the trigger laptop from the test
 laptop will make the problem worse.

 For convenience, I have these commands in scripts which I can simply wget
 onto the laptops.  On the test laptop:

  wget http://xs-dev.laptop.org/wad/setup_fping1
  wget http://xs-dev.laptop.org/wad/run_fping1
  chmod a+x *fping1
  ./setup_fping1
  ./run_fping1

 And on the trigger laptop:

  wget http://xs-dev.laptop.org/wad/setup_fping2
  chmod a+x *fping2
  ./setup_fping2
  ping 192.168.4.50 &
  ping -f 192.168.4.50

-- 
Ticket URL: <https://dev.laptop.org/ticket/2621#comment:28>
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