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Date: Thu, 13 May 2004 17:01:41 +0530
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Thread-Topic: Mountroot panic trace
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From: <Muthu_T@Dell.com>
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Subject: Mountroot panic trace
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Hi,
   Just pressing the enter key in the mountroot> prompt leads to kernel
panic.

<snip>
mountroot> ?

List of GEOM managed disk devices:
  da0p7 da0p6 da0p5 da0p4 da0p3 da0p2 da0p1 da0 acd0

Manual root filesystem specification:
  <fstype>:<device>  Mount <device> using filesystem <fstype>
                       eg. ufs:da0s1a
  ?                  List valid disk boot devices
  <empty line>       Abort manual input

mountroot>
panic: Root mount failed, startup aborted.
at line 1292 in file /usr/src/sys/kern/vfs_mount.c
panic
Stopped at      Debugger+0x31:  [M1]    nop.m 0x0
db> where
Debugger(0xe0000000047644c8, 0xe0000000043eb4e0, 0x895,
0xe00000000476a810) at D
ebugger+0x30
__panic(0xe00000000476a810, 0x50c, 0xe00000000476a8c0) at __panic+0x180
vfs_mountroot(0xe00000000485d170, 0x0, 0xe00000000484d85c,
0xe00000000439c3e0, 0
xa9d, 0x204) at vfs_mountroot+0x240
start_init(0x0, 0x4, 0xe00000007b071a50, 0xe00000007b02bc20) at
start_init+0xa0
fork_exit(0xe00000000478d880, 0x0, 0xa000000034533580) at
fork_exit+0x100
enter_userland() at enter_userland

</snip>

Thanks.

--T. Muthu Mohan.