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<div>Jiri,</div>
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<div>Thanks for your patience in looking at this problem. Here is the history from grmon:</div>
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<div>grlib> inst 20</div>
<div> time address instruction result</div>
<div> 4290645 40076240 cmp %o0 [00000000]</div>
<div> 4290648 40076244 bne 0x40076164 [40076534]</div>
<div> 4290649 40076248 sra %o0, 24, %o0 [00000000]</div>
<div> 4290650 4007624c ret [4007624c]</div>
<div> 4290651 40076250 restore [00000000]</div>
<div> 4290654 4007653c ret [4007653c]</div>
<div> 4290655 40076540 restore [00000000]</div>
<div> 4290658 4006d2ac mov 1, %g1 [00000001]</div>
<div> 4290659 4006d2b0 ta 0x0 [trapped]</div>
<div> 4290665 40000800 mov %psr, %l0 [f3400fc6]</div>
<div> 4290666 40000804 sethi %hi(0x4006fc00), %l4 [4006fc00]</div>
<div> 4290667 40000808 jmp %l4 + 0x2e4 [40000808]</div>
<div> 4290668 4000080c mov 128, %l3 [00000080]</div>
<div> 4290671 4006fee4 cmp %g1, 2 [ffffffff]</div>
<div> 4290691 4006fee8 bne 0x4006fefc [00000000]</div>
<div> 4290692 4006feec or %l0, 0xf00, %l4 [f3400fc6]</div>
<div> 4290693 4006fefc cmp %g1, 3 [fffffffe]</div>
<div> 4290706 4006ff00 bne 0x4006ff18 [00000000]</div>
<div> 4290707 4006ff04 and %i0, 0xf00, %l4 [00000900]</div>
<div> 4290714 4006ff18 ta 0x0 [trapped]</div>
<div>grlib> register</div>
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<div> INS LOCALS OUTS GLOBALS</div>
<div> 0: 400AA9B8 F3400FC6 400AA9C4 00000000</div>
<div> 1: 00000004 4006D2B0 4F61A698 00000001</div>
<div> 2: 40018028 4006D2B4 40076058 80000100</div>
<div> 3: 400B81F4 00000080 4F61A5D8 00000000</div>
<div> 4: 00000001 00000900 400AC000 00000001</div>
<div> 5: 400B8104 00000004 00000030 00000010</div>
<div> 6: 4F61A650 400B7FC4 4F61A5E0 95555956</div>
<div> 7: 4006D2A4 400EDA88 40076534 B453A533</div>
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<div> psr: F3900FC6 wim: 00000008 tbr: 40000800 y: 04000000</div>
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<div> pc: 4006ff18 ta 0x0 </div>
<div> npc: 4006ff1c mov 0, %g1 </div>
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<div>grlib> stack</div>
<div> stack pointer: 0x4ffffff0</div>
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<div>I didn’t see a way to check the stack size to see if it had been overrun.</div>
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<div><font face="Arial, sans-serif" size="2">Michael T. Gardner<font face="Calibri, sans-serif" size="2">
<br>
</font>Sandia National Labs<font face="Calibri, sans-serif" size="2"> <br>
</font>mtgardn@sandia.gov<font face="Calibri, sans-serif" size="2"> <br>
</font>505-844-1299<font face="Calibri, sans-serif" size="2"> </font></font></div>
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