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List:       haiku-bugs
Subject:    Re: [Haiku-bugs] [Haiku] #2545: [kernel] GeForce MX420 lots of
From:       "mmlr" <trac () haiku-os ! org>
Date:       2008-07-25 9:14:14
Message-ID: 049.8ca58befb3b09cad6bbe9da03ec0e942 () haiku-os ! org
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#2545: [kernel] GeForce MX420 lots of stability issues
--------------------------------------+-------------------------------------
  Reporter:  diver                    |       Owner:  rudolfc       
      Type:  bug                      |      Status:  new           
  Priority:  normal                   |   Milestone:  R1            
 Component:  Drivers/Graphics/nVidia  |     Version:  R1 development
Resolution:                           |   Blockedby:                
  Platform:  All                      |    Blocking:                
--------------------------------------+-------------------------------------

Comment(by mmlr):

 The fxp interrupt handler taking up all the CPU time was reported in bug
 #2084 already. Interesting is that this only happens with a specific setup
 of the mentioned cards here. This might hint into the direction of
 interrupt handling in the shared/non-shared case. I doubt that it's an
 nVidia problem in that case and would rather think it's caused by the
 ipro100 driver (that the fxp interrupt handler belongs to). Could you
 check the output of the "ints" command in KDL and also check what IRQs are
 assigned to the cards in each configuration. You can find that in the
 early part of the syslog where the PCI info is dumped. Check the
 "interrupt_line" of both devices, the graphics card and the network card
 to see if they are the same with either configuration.

-- 
Ticket URL: <http://dev.haiku-os.org/ticket/2545#comment:4>
Haiku <http://dev.haiku-os.org>
The Haiku operating system.
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