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Date:	Sat, 28 Feb 2004 18:57:54 PST8
From:	"Steven Levine" <steve53@earthlink.net >
Reply-To:	scoug-help@scoug.com
To:	scoug-help@scoug.com
Subject:	SCOUG-Help: Trap installing InnoTek Runtime for OS/2

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In <200402281409.i1SE9LRb017579@smtp.ucsd.edu>, on 02/28/04
at 06:09 AM, sshapiro@ucsd.edu (Sandy Shapiro) said:

>I'm getting the same trap on one of my machines too.

>##0168:fff1eb67 - 000e:cb67 , 06860642
>9084

>Exception in module:
>TRAP 0008 ERRCD=0000 ERACC=**** ERLIM=********
>EAX=fee2fd80 EBX=fa3970b4 ECX=00040000 EDX=00000000
>ESI=000c0160 EDI=00000000 EBP=fa397090 FLG=00012296
>CS:EIP=0168:fff49aae CSACC=c09b CSLIM=ffffffff
>SS:ESP=0160:fa396f88 SSACC=c093 SSLIM=ffffffff
>DS=0160 DSACC=c093 DSLIM=ffffffff CR0=8001001b
>ES=0160 ESACC=c093 ESLIM=ffffffff CR2=fa396f84
>FS=0000 FSACC=**** FSLIM=********
>GS=0000 GSACC=**** GSLIM=********

>Internal revision 14.094_W4

Well,

A bit of math in the PM Dump Facility shows the trap is

# ? fff1eb67 - cb67

fff12000H 4293992448T 37774220000Q 11111111111100010010000000000000Y '.'
TRUE

# ln (%fff12000+37aae)

%fff49a85 OS2KRNL _PGPageFault + 29

Looking at the code:

OS2KRNL _PGPageFault:
%fff49a85 55 push ebp
%fff49a86 a1cc68edff mov eax,dword ptr [ffed68cc] %fff49a8b
8bec mov ebp,esp
%fff49a8d 81ec08010000 sub esp,00000108
%fff49a93 53 push ebx
%fff49a94 8945dc mov dword ptr [ebp-24],eax %fff49a97
57 push edi
%fff49a98 8b4508 mov eax,dword ptr [ebp+08] %fff49a9b
56 push esi
%fff49a9c c1e80c shr eax,0c
%fff49a9f 8bf0 mov esi,eax
%fff49aa1 33c0 xor eax,eax
%fff49aa3 8945d8 mov dword ptr [ebp-28],eax %fff49aa6
8945d4 mov dword ptr [ebp-2c],eax %fff49aa9 a1d068edff
mov eax,dword ptr [ffed68d0]
%fff49aae 33ff xor edi,edi

# ln %ffed68d0
%ffed68d0 OS2KRNL _pTCBCur

which basically says the kernel is not allowed to access the bucket that
contains the pointer to the current task.

I do find it interesting that an installer could cause a kernel trap to
kernels of such varying vintage. I can only guess that it's happening
after the Odin-ized part of the installer runs. This code gets deeper
into the kernel that a typical application might.

I guess it's time for you guys to report this to the appropriate forum.

Regards,

Steven

--
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"Steven Levine" MR2/ICE 2.41 #10183 Warp4/FP15/14.093c_W4
www.scoug.com irc.webbnet.info irc.fyrelizard.org #scoug (Wed 7pm PST)
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