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Date:      Tue, 27 Jan 2004 01:58:44 -0500
From:      Marina Brown <marina@surferz.net>
To:        Stanislav Grozev <tacho@orbitel.bg>, freebsd-stable@freebsd.org
Subject:   Re: FreeBSD constantly crashing
Message-ID:  <04012702040502.00743@tamiru>
In-Reply-To: <20040127053642.GA10191@octavo.daemonz.org>
References:  <20040127053642.GA10191@octavo.daemonz.org>

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On Tue, 27 Jan 2004, Stanislav Grozev wrote:
> 
> Hello,
> 
> I have one FreeBSD server, that recently started to behave strangely.
> It has been rock-solid for all of its existence (almost 2 years).
> Recently I upgraded it to RELENG_4_9 and it started crashing with
> kernel panic approximately every 24 hours, but this varies.
> I have tried downgrading to RELENG_4_8 and RELENG_4_7 - the same
> thing keeps happening. I have also moved the harddrives in a brand
> new, albeit identical machine - Duron 800 MHz, 512MB RAM,
> Adaptec 29160 Ultra 160 SCSI, two Fujitsu disks in Vinum RAID1.
> 
> Here is the kernel panic:
> 
> Fatal trap 12: page fault while in kernel mode
> fault virtual address   = 0x485974e2
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0xc01cbfe3
> stack pointer           = 0x10:0xc0311854
> frame pointer           = 0x10:0xc0311858
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = Idle
> interrupt mask          = 
> trap number             = 12
> panic: page fault
> 
> attached are the kernel configuration and the dmesg.
> Please, can anyone shed any light on this? I thought it was the hardware,
> but I've changed everything except the hard disks - new case, new powersupply,
> new motherboard, new processor, new RAM, new Adaptec.
> 
> Thanks in advance.
> 
> -tacho
> 

The answer seems to be in your dmesg. 

pid 28555 (qmailadmin), uid 89: exited on signal 11

...that means you have bad ram in your new computer. It's common
for computer stores to sell ram that is less than perfect. Replace the
ram and you should be fine.

Marina Brown



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