#10746 NORM 11.2.0-: Need to load ehci 2.0 USB driver/module before USB 1.1 modules

Zarro Boogs per Child bugtracker at laptop.org
Fri Mar 11 14:32:51 EST 2011


#10746: Need to load ehci 2.0 USB driver/module before USB 1.1 modules
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 Reporter:  greenfeld  |                 Owner:  buytenh                          
     Type:  defect     |                Status:  new                              
 Priority:  normal     |             Milestone:  11.2.0-M4                        
Component:  kernel     |               Version:  Development build as of this date
 Keywords:             |           Next_action:  diagnose                         
 Verified:  0          |   Deployment_affected:                                   
Blockedby:             |              Blocking:                                   
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 I have an XO-1 with os11 which complained in dmesg:

 Warning! ehci_hcd should always be loaded before uhci_hcd and ohci_hcd,
 not after"

 And although it looked like their dmesg entries were mixed, OHCI likely
 was loaded before EHCI was.

 Unless there is an OLPC-specific reason otherwise we likely should heed
 this advice.

 On an XO-1.5 with os12 it looked like we loaded these in the correct
 order.

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Ticket URL: <http://dev.laptop.org/ticket/10746>
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