Openmoko Bug #2185: AUX button makes interrupt storm

Openmoko Public Trac bugs at docs.openmoko.org
Mon Dec 22 17:13:47 CET 2008


#2185: AUX button makes interrupt storm
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 Reporter:  vnevoa   |          Owner:  openmoko-devel       
     Type:  defect   |         Status:  new                  
 Priority:  normal   |      Milestone:                       
Component:  unknown  |        Version:  Om2008.9-dev         
 Severity:  normal   |       Keywords:  AUX button interrupts
 Haspatch:  0        |      Blockedby:                       
Estimated:           |    Patchreview:                       
 Blocking:           |   Reproducible:  always               
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Comment(by vnevoa):

 Oops, sorry, I only looked at the /proc/interrupts output.
 Now I'm looking at the kernel messages.

 When I press the AUX button, I get only 1 message:
  "IRQ press:0"
 When I release the button, I get 2 messages:
  "IRQ press:0"
  "IRQ press:1"
 Now I see the Power button also behaves strangely, I think.
 I press Power, and I get 3 kernel messages:
  "INT1=0x80 INT2=0x02 INT3=0x00 INT4=0x00 INT5=0x00"
  "INT1=0x00 INT2=0x00 INT3=0x00 INT4=0x00 INT5=0x00"
  "INT1=0x00 INT2=0x00 INT3=0x00 INT4=0x00 INT5=0x00"
 I release it, and I get another 3:
  "INT1=0x00 INT2=0x01 INT3=0x00 INT4=0x00 INT5=0x00"
  "INT1=0x00 INT2=0x00 INT3=0x00 INT4=0x00 INT5=0x00"
  "INT1=0x80 INT2=0x00 INT3=0x00 INT4=0x00 INT5=0x00"
 Is this supposed to happen?

-- 
Ticket URL: <https://docs.openmoko.org/trac/ticket/2185#comment:10>
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