FreeBSD constantly crashing

[Stephen Bader]

I saw problems like this when PAE was crashing my box in the early version
of 4.9. I would assume the patches were put into RELENG_4_9, but maybe you
want to try RELENG_4 to get -STABLE?

I know this doesn't explain why it is crashing in 4.7 or 4.8 though. Just
a thought.

-Steve

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Stephen Bader                  JORSM Internet, Regional Internet Services
Systems Administrator          7 Area Codes in Chicagoland and NW Indiana
steveb at jorsm.com               100Mbps+ Connectivity, 56K-DS3, V.90, ISDN
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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
>