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Date:      Sun, 27 Jun 2004 10:42:26 -0400
From:      Vladimir Zhurov <vzhurov@uwo.ca>
To:        freebsd-stable@freebsd.org
Subject:   dscheck(#ar/2): negative b_blkno error on FreeBSD-4.10-STABLE
Message-ID:  <40DEDCD2.3020606@uwo.ca>

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Hello,

Today's /var/log/messages and /var/log/dmesg.today got filled with:

dmesg.today:
dscheck(#ar/2): negative b_blkno -1721888480

messages:
/kernel: dscheck(#ar/2): negative b_blkno -1721888480

System configuration is the following:

FreeBSD-4.10-STABLE
CPU: Intel P3
MB: Asus P3B-F
ATA channels:
ATA-0 (MB): IBM DPTA-372050 as PM
ATA-1 (MB): HP CDRW 8200+ as PM
ATA-2 and -3 (RAID): Promise FastTrack TX2000 with four 80 GB WDC 
WD800JB in 1+0 configuration

I have checked status of array and drives with atacontrol but everything 
appears normal and I definitely can access all file systems.

Does anyone know what is the reason for such error and whether it is 
critical?

Thank you.

Vlad.



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