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fangwen
Tux's lil' helper
Joined: 23 Oct 2011
Posts: 128
Location: Shanghai, China
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 Posted: Mon Nov 07, 2011 3:22 pm Post subject: VFS: Unable to mount root fs via NFS, trying floppy |
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Today I made some changes to my kernel and recompiled it, now I am not able to boot up my system.
It stopped at this point:
| Code: | | VFS: Unable to mount root fs via NFS, trying floppy |
and the led light on my CAPS LOCK key flashed at that moment.
I didn't remember any changes related to NFS, so how could I solve this problem?
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Last edited by fangwen on Tue Nov 08, 2011 2:50 am; edited 1 time in total |
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eccerr0r
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Joined: 01 Jul 2004
Posts: 9891
Location: almost Mile High in the USA
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| Posted: Mon Nov 07, 2011 3:32 pm Post subject: |
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It looks like you probably have NFS root compiled in. But that's not the problem, you probably also don't have either your disk drivers compiled in or not have the filesystem driver compiled in. Need more debugging lines to tell exactly what went wrong but those are the main culprits.
When the caps lock and scroll lock lights flash on your keyboard, the kernel is usually in 'panic' and cannot continue running code, whether it ran out of stuff to run or got confused and don't know what to run any more.
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fangwen
Tux's lil' helper
Joined: 23 Oct 2011
Posts: 128
Location: Shanghai, China
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| Posted: Tue Nov 08, 2011 2:48 am Post subject: |
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I built the disk drivers into kernel following this guide:http://www.gentoo.org/doc/en/kernel-config.xml, but I disabled some default options which I think may cause this problem. Now the error message are as follows: | Code: | VFS: Unable to mount root fs via NFS, trying floppy
VFS: Cannot open root device "sda8" or unknown-block(2,0) |
I double checked my kernel configuration but I really didn't know what was wrong.
If you need any further information, please tell me.
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Jaglover
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Joined: 29 May 2005
Posts: 8291
Location: Saint Amant, Acadiana
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fangwen
Tux's lil' helper
Joined: 23 Oct 2011
Posts: 128
Location: Shanghai, China
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| Posted: Tue Nov 08, 2011 12:35 pm Post subject: |
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I figured out the problem myself. It was not able to boot up because I excluded the AHCI SATA support.
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