From owner-freebsd-java  Wed Mar 19  2:59: 9 2003
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From: Ernst de Haan <ernst.dehaan@nl.wanadoo.com>
Organization: Wanadoo Nederland B.V.
To: Mantzios Achilleus <mantzios@softlab.ece.ntua.gr>,
	freebsd-stable@FreeBSD.ORG
Subject: Re: Resolution of Fatal trap 12: page fault while in kernel mode
Date: Wed, 19 Mar 2003 11:59:20 +0100
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References: <Pine.LNX.4.44.0303191156140.19109-100000@theseas.softlab.ece.ntua.gr>
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The most obvious possibility seems to be 'maxusers 0'....

Ernst


On Wednesday 19 March 2003 11:01, Mantzios Achilleus wrote:
> 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
>
>     ----------------------------------------------------------------
>
>     | go to the source -> http://www.softlab.ece.ntua.gr/~mantzios |
>
>     ----------------------------------------------------------------
>
>
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