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Date:      Wed, 19 Mar 2003 12:01:37 +0200 (EET)
From:      Mantzios Achilleus <mantzios@softlab.ece.ntua.gr>
To:        freebsd-stable@FreeBSD.ORG
Cc:        freebsd-java@FreeBSD.ORG
Subject:   Resolution of Fatal trap 12: page fault while in kernel mode
Message-ID:  <Pine.LNX.4.44.0303191156140.19109-100000@theseas.softlab.ece.ntua.gr>

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Hi,
by building a kernel based on GENERIC conf
the kernel traps went away.
I attach the diff here
diff /usr/src/sys/i386/conf/ACHIX /usr/src/sys/i386/conf/GENERIC

> cpu           I386_CPU
> cpu           I486_CPU
> cpu           I586_CPU
22,23c25,26
< ident         ACHIX
< maxusers      128
---
> ident         GENERIC
> maxusers      0
43c46
< options       SCSI_DELAY=1000 #Delay (in ms) before probing SCSI
---
> options       SCSI_DELAY=15000        #Delay (in ms) before probing SCSI
53c56
< options               ICMP_BANDLIM            #Rate limit bad replies
---
> options       ICMP_BANDLIM            #Rate limit bad replies
54a58,61
> options       AHC_REG_PRETTY_PRINT    # Print register bitfields in
debug
>                                       # output.  Adds ~128k to driver.
> options       AHD_REG_PRETTY_PRINT    # Print register bitfields in
debug
>                                       # output.  Adds ~215k to driver.
85a93
> device                ahd             # AHA39320/29320 and onboard
AIC79xx devices
87a96
> device                mpt             # LSI-Logic MPT/Fusion
90c99
< options               SYM_SETUP_LP_PROBE_MAP=0x40
---
> options       SYM_SETUP_LP_PROBE_MAP=0x40
114c123
< device          iir             # Intel Integrated RAID
---
> device                iir             # Intel Integrated RAID
120c129
< device                aacp            # SCSI passthrough for aac
(requires CAM)
---
> #device               aacp            # SCSI passthrough for aac
(requires CAM)
145a155,156
> device                agp             # support several AGP chipsets
>

I cant see any evil lines on my ACHIX conf.
However ACHIX conf used to work robustly back in 4.7

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