[Trac #688] Can't boot from usb key

[Zarro Boogs per Child]

#688: Can't boot from usb key
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 Reporter:  garysu               |       Owner:  wmb at firmworks.com
     Type:  defect               |      Status:  new              
 Priority:  normal               |   Milestone:  BTest-2          
Component:  ofw - open firmware  |    Keywords:                   
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 USB key is not able to boot when you plug 5 in 1 card reader to USB port
 1-3, to boot from USB key will be OK when the card reader pluges to 1-1
 port.

 However to change the multi card reader funtion to read SD card only then
 there is no problem with that.

 BIOS:Q2B15/Q2A62 [[BR]]
 Image:213-olpc-redhat-stream-development-jffs2.img [[BR]]
 5in1 Card Reader [[BR]]
 SD only Card Reader:hp usb digital driver[[BR]]
 USB Key:Sony USM512J[[BR]]

 Procedure[[BR]]
 Test 1[[BR]]
 1.Plug 5in1 Card Reader to USB port 1-3[[BR]]
 2.Plug USB key to port 1-2 or 1-1  <= boot from NAND[[BR]]

 Test 2[[BR]]
 1.Plug 5in1 Card Reader to USB port 1-2[[BR]]
 2.Plug USB key to port 1-3  <= boot from USB key[[BR]]
 3.Plug USB key to port 1-1  <= boot from NAND[[BR]]

 Test 3[[BR]]
 1.Plug 5in1 Card Reader to USB port 1-1[[BR]]
 2.Plug USB key to port 1-2 or 1-3  <= boot from USB key[[BR]]

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Ticket URL: <http://dev.laptop.org/ticket/688>
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