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Date:      Tue, 18 Jul 95 11:17:54 EAT
From:      Yen-Wei Liu <ywliu@lin.wsl.sinica.edu.tw>
To:        questions@freebsd.org
Subject:   Fail to mount root after recompiling kernel
Message-ID:  <199507180330.UAA14689@mail.barrnet.net>

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Hi,

 I am using FreeBSD 2.05R. This happens to me twice, on different machines
with different hardware configuration :

 I re-built a new kernel, copied it to root as kernel.1, rebooted the machine
with kernel.1. After all the booting , first time on machine A, FreeBSD
shows messages like "fail to mount swap on wd1s2(I don't quite remember
the device name)". Changing to the original kernel didn't get my system
back. I thought it was my fault , and rebuilt all the device names to
save my system.

 Then the second time, I recompiled the kernel on machine B, copied it
to root as kernel.1, and rebooted. FreeBSD shows : " cannot mounting
root sd1a", and then system panic and rebooting. Changing back to boot 
with the original kernel didn't bring it back.

 What can go wrong with my re-compilation ? This was never the case back
in FreeBSD 2.0R. Were device names changed when I first time rebooted with
new kernels ?

 I hope somebody can help me.

--
Yen-Wei Liu



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