Re: Bug in the latest version

[lars.bjorndal@grieg.uib.no (Lars Bjørndal)]

Thank you! Now, wp.exe works perfect!
Lars
Bart Oldeman <oldeman@math.ohio-state.edu> writes:

> On Sun, 27 Oct 2002, Lars Bjørndal wrote:
>
>> How do I unpack the wp.exe-file?
>
> try this:
> http://www.mirror.ac.uk/sites/ftp.simtel.net/pub/simtelnet/msdos/execomp/unp411.zip
>
> I don't completely understand the log so I couldn't reply anything useful
> so far. The last lines of your log look like this:
>
> INT21 (0) at c000:1508: AX=3300, BX=0001, CX=0000, DX=0001, DS=c000, ES=c000
> int 0x21, ax=0x3300
> DO_VM86,  cs=0133:109e ss=c000:00f4 f=00033002
> ax=3300 bx=0001 ss=c000 sp=00f4 bp=0000
>            cx=0000 dx=0001 ds=c000 cs=0133 ip=109e
>            si=13fb di=0162 es=c000 flg=00033002
> RET_VM86, cs=c000:c009 ss=c000:00ee f=000b3217 ret=0x1
> ax=8f11 bx=bf06 ss=c000 sp=00ee bp=0000
>            cx=2352 dx=0001 ds=09e8 cs=c000 ip=c009
>            si=e451 di=8208 es=c000 flg=000b3217
> PIC:   0  32 00000000 fffafff9 00000000 Activate ++ dos time to 176073668
> DO_VM86,  cs=c000:c00a ss=c000:00ee f=000b3217
> ax=8f11 bx=bf06 ss=c000 sp=00ee bp=0000
>            cx=2352 dx=0001 ds=09e8 cs=c000 ip=c00a
>            si=e451 di=8208 es=c000 flg=000b3217
> SIGILL while in vm86()
> ERROR: unexpected CPU exception 0x06 err=0x00000000 cr2=00000000 while in
> vm86 (DOS)
>
> Program=sigsegv.c, Line=202
> EIP: c000:0000c3cf ESP: c000:000018e2  VFLAGS(b): 00000 00110010 00000110
> EAX: 00006f04 EBX: 0000a0aa ECX: 0000f16a EDX: 00000000 VFLAGS(h):
> 00003206
> ESI: 00008f79 EDI: 00008208 EBP: 0000e0e2 DS: 09e8 ES: 372a FS: 0000 GS:
> 0000
> FLAGS: PF IF RF VM VIF  IOPL: 3
>
> essentially the PIC is the last thing handled before the crash and Stas
> knows the PIC better than I do. What looks suspicious (though maybe it
> might be completely logical to the DOSEMU PIC experts) is that
> a) the DOS time is the same as in the previous PIC call.
> b) IP is increased by 1 (c000:0009->c000:000a) for no apparent reason.
>
> Namely, the PIC call before the one above does this:
>
> RET_VM86, cs=fdc8:6c52 ss=0133:0916 f=000b3286 ret=0x2f02
> ax=111b bx=03c0 ss=0133 sp=0916 bp=0444
>            cx=0000 dx=3601 ds=0133 cs=fdc8 ip=6c52
>            si=00b0 di=00b0 es=036a flg=000b3286
> Do INT0x2f: Using caller_function()
> INT2F at fdc8:6c52: AX=111b, BX=03c0, CX=0000, DX=3601, DS=0133, ES=036a
> MFS: Entering dos_fs_redirect, FN=1B
> .. bunch of MFS stuff
> PIC:   0  32 00000000 fffafff9 00000000 pic_itime[1]= 176096631
> PIC:   0  32 00000000 fffafff9 00000000 pic_sys_time set to 176073668
> PIC:   0  32 00000000 fffafff9 00000000 Activate ++ dos time to 176073668
> DO_VM86,  cs=fdc8:6c52 ss=0133:0916 f=000b3287
>
> Bart
>
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-- 
Lars Bjørndal <lars.bjorndal@grieg.uib.no>
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