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Date:      Sun, 23 Feb 2003 12:20:23 +0200
From:      "Jukka-Pekka Roihuvuori" <jp@nopeus.net>
To:        freebsd-questions@freebsd.org
Subject:   I/O error
Message-ID:  <20030223102023.50901.qmail@comsix.fi>

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Hi, 

Something weird happend at 01:52. I couldn't success single command after 
freebsd had reseted my devices. 

TOP gives me an error: 

# top
/usr/bin/top: Input/output error. 

And writes to the messages: 

Feb 23 12:10:23 a /kernel: spec_getpages:(#ad/0x20004) I/O read failure: 
(error=6) bp 0xcfc90b5c vp 0xe2d62c00
Feb 23 12:10:23 a /kernel: size: 0, resid: 0, a_count: 4096, valid: 0x0
Feb 23 12:10:23 a /kernel: nread: 0, reqpage: 0, pindex: 0, pcount: 1 

So I scrolled messages file, and found this: 

Feb 23 01:52:53 a /kernel: ad0: WRITE command timeout tag=0 serv=0 - 
resetting
Feb 23 01:52:53 a /kernel: ata0: resetting devices ..
Feb 23 01:52:53 a /kernel: ad0: removed from configuration
Feb 23 01:52:53 a /kernel: done
Feb 23 03:01:00 a /kernel: spec_getpages:(#ad/0x20000) I/O read failure: 
(error=6) bp 0xcfc93390 vp 0xe2d63ec0
Feb 23 03:01:00 a /kernel: size: 0, resid: 0, a_count: 4096, valid: 0x0
Feb 23 03:01:00 a /kernel: nread: 0, reqpage: 0, pindex: 9, pcount: 1
Feb 23 03:01:00 a /kernel: vm_fault: pager read error, pid 96337 (cp)
Feb 23 03:01:00 a /kernel: pid 96337 (cp), uid 0: exited on signal 11 (core 
dumped) 

What could be broken? the hdd which I replaced sometime ago .. or memory? 

Thanks. 

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