[haiku-bugs] Re: [Haiku] #8987: ps2: initial setup of command byte failed

  • From: "x-ist" <trac@xxxxxxxxxxxx>
  • Date: Tue, 18 Sep 2012 18:20:56 -0000

#8987: ps2: initial setup of command byte failed
   Reporter:  x-ist               |      Owner:  siarzhuk
       Type:  bug                 |     Status:  new
   Priority:  normal              |  Milestone:  R1
  Component:                      |    Version:  R1/Development
  Drivers/Keyboard/PS2            |   Keywords:  ps2 keyboard touchpad OHCI
 Resolution:                      |   Blocking:
 Blocked By:                      |   Platform:  All
Has a Patch:  0                   |

Comment (by x-ist):

 Replying to [comment:5 mmlr]:
 > That is most probably related to legacy emulation. The first syslog
 mentions the SMM (System Management Mode, i.e. firmware/BIOS) being in
 control at the time OHCI is initialized and it not responding to the
 handover request. It is possible that the reset after that leaves things
 in a bad state.
 Should I make debug builds of something, ohci maybe, to get more traces?
 > You could try disabling "USB legacy support" or similarly named options
 in the BIOS and see if that results in a working system as well.
 Unfortunately that BIOS doesn't offer anything to configure in this

Ticket URL: <http://dev.haiku-os.org/ticket/8987#comment:6>
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