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I've got Lenovo IdeaPad Y580 with a 64bit CPU and I would like to boot it from my external Toshiba HDD with a 32bit CentOS 6.4 installed on it. However all my tries ended up with kernel panic: not syncing. I thought it might be because of the UEFI, but it looks like it isn't... Has anyone got any ideas what might be wrong?

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Just install a 64 bit centos version. Why bother with 32 bit in first place? –  timmeyh Mar 28 '13 at 12:16
    
Not it's not about UEFI, probably wrong disk, i.e sda vs sdb –  warl0ck Mar 28 '13 at 13:36
    
If I wanted to install a 64 bit CentOS I wouldn't have asked the question. –  Zeimer Mar 28 '13 at 16:51
    
at what point during the installation does it panic? –  i.h4d35 Mar 28 '13 at 19:16
    
I'm not installing anything... I want to boot it from my external HDD that already has a CentOS 6.4 installed on it. –  Zeimer Mar 29 '13 at 21:19
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migrated from serverfault.com Mar 28 '13 at 13:32

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