[haiku-bugs] Re: [Haiku] #5197: USB Flash Drive not recognised at boot; works fine in Haiku

  • From: "mmlr" <trac@xxxxxxxxxxxx>
  • Date: Sat, 02 Jan 2010 18:35:34 -0000

#5197: USB Flash Drive not recognised at boot; works fine in Haiku
--------------------------------+-------------------------------------------
 Reporter:  casm                |       Owner:  nobody   
     Type:  bug                 |      Status:  new      
 Priority:  normal              |   Milestone:           
Component:  System/Boot Loader  |     Version:  R1/alpha1
 Keywords:  WebDT Geode USB     |   Blockedby:           
 Platform:  All                 |    Blocking:           
--------------------------------+-------------------------------------------
Changes (by mmlr):

  * owner:  mmlr => nobody
  * component:  Drivers/USB => System/Boot Loader


Comment:

 What image are you using? Note that our ISOs aren't (yet) hybrid MBR/ISOs
 so you can't use the ISOs for booting USB sticks.

 Anyway, the problem is that our boot code/MBR doesn't provide a valid
 partition table and the (broken) BIOS assumes to boot from an "active"
 partition which isn't there. The problem is assuming a partition table in
 that way is broken because there's more than one partitioning system
 (think GPT or just custom boot code). Nothing we can do about other than
 faking a partition table. It's not a USB problem anyway.

 I'm pretty sure this problem is logged already, but I can't find the
 ticket.

-- 
Ticket URL: <http://dev.haiku-os.org/ticket/5197#comment:1>
Haiku <http://dev.haiku-os.org>
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