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Subject: Problems on start of my system
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Hi all 

I have a problem on start of my system, appear this mesage: 

Staring file system checks: 
/dev/ad0s1a: 1304 files, 18242 used, 300053 free (1149 frags, 37363 blocks, 
0.4% fragmentation) 
/dev/ad0s1g: DEFER FOR BACKGROUND CHECKING 
/dev/ad0s1f: DEFER FOR BACKGROUND CHECKING 
/dev/ad0s1d: DEFER FOR BACKGROUND CHECKING 
/dev/ad0s1e: FILE SYSTEM CLEAN; SKIPPING CHECKS 
/dev/ad0s1e: clean, 57112 free (40 frags, 7134 bloks, 0,1% fragmentation) 
WARNING: /home was not properly dismounted 
ad0: FAILURE - READ-DMA status=51<READ,DSC,ERROR> ERROR=40<UNCORRECTABLE> 
LBA=2398527 
mount: /dev/ad0s1: input/output error 
WARNING: /usr was not properly dismounted 
WARNING: /var was not properly dismounted 
mounting /etc/fstab filesystems failed, start up aborted 
ad0: FAILURE - READ-DMA status=51<READ,DSC,ERROR> ERROR=40<UNCORRECTABLE> 
LBA=2191743 
boot interruped 
enter full pathname of shell or return for /bin/sh: 

I type something and the system reboot after this mesages: 

panic: vrele: negative refe cnt 
cannot dump: no dump device defined 

Someone can help me whith this problem? what´s happenig? how i can solve 
this? 

Sorry for my bad english.. :) 

grateful 

Thiago 

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