[Trac #1382] "reboot" from Linux just gives black screen on LX

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#1382: "reboot" from Linux just gives black screen on LX
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 Reporter:  cjb     |        Owner:  dilinger 
     Type:  defect  |       Status:  new      
 Priority:  normal  |    Milestone:  Untriaged
Component:  kernel  |   Resolution:           
 Keywords:          |  
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Comment (by dilinger):

 {{{
 02:34 < Mitch_BradleyEGG> I recommend resetting by  writing 1ULL to MSR
                           0x51400017
 02:34 < CP|too> agreed
 02:36 < CP|too> There is already a mechanism for doing that
 02:36 < CP|too>
 http://dev.laptop.org/git.do?p=olpc-2.6;a=blob;h=99aab41a05b0f17d12c07110638699a6ec4360da;hb=1c73de730a3979de91c8ebbca3c12ebdb3afbff7;f=arch/i386/kernel/reboot_fixups.c
 02:36 < CP|too> And lo and behold - what other processor is already in
 that
                 file?  Why, its the GX1!
 ...
 02:38 < CP|too> the mechanism exists
 02:38 < CP|too> don't copy the code
 02:39 < CP|too> add in the 5536 ISA header ID and write to the MSR like
 Mitch
                 said
 }}}

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Ticket URL: <http://dev.laptop.org/ticket/1382#comment:1>
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