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pure virtual method called/seg. fault #584

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veripoolbot opened this issue Nov 30, 2012 · 2 comments
Closed

pure virtual method called/seg. fault #584

veripoolbot opened this issue Nov 30, 2012 · 2 comments
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resolution: duplicate Closed; issue or pull request already exists

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Author Name: Alex Solomatnikov
Original Redmine Issue: 584 from https://www.veripool.org
Original Date: 2012-11-30

The same RTL compiles with verilator 3.841 w/o problem.

However, the latest version in git fails.

Running regular version under gdb:

pure virtual method called
terminate called without an active exception

Program received signal SIGABRT, Aborted.
0x0000003d37030285 in raise () from /lib64/libc.so.6
(gdb) bt
#0  0x0000003d37030285 in raise () from /lib64/libc.so.6
#1  0x0000003d37031d30 in abort () from /lib64/libc.so.6
#2  0x00000034754bed94 in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib64/libstdc++.so.6
#3  0x00000034754bce46 in ?? () from /usr/lib64/libstdc++.so.6
#4  0x00000034754bce73 in std::terminate() () from /usr/lib64/libstdc++.so.6
#5  0x00000034754bd3cf in __cxa_pure_virtual () from /usr/lib64/libstdc++.so.6
#6  0x00000000005f3d72 in WidthVisitor::visit(AstNodeVarRef*, AstNUser*) ()
#7  0x000000000045ec71 in AstNVisitor::visit(AstVarXRef*, AstNUser*) ()
#8  0x00000000004752ee in AstVarXRef::accept(AstNVisitor&, AstNUser*) ()
#9  0x000000000046978f in AstNode::iterateAndNext(AstNVisitor&, AstNUser*) ()
#10 0x00000000005fdde5 in WidthVisitor::visit(AstAttrOf*, AstNUser*) ()
#11 0x0000000000475692 in AstAttrOf::accept(AstNVisitor&, AstNUser*) ()
#12 0x000000000046978f in AstNode::iterateAndNext(AstNVisitor&, AstNUser*) ()
#13 0x00000000005ec410 in WidthVisitor::visit(AstSelBit*, AstNUser*) ()
#14 0x000000000041bc66 in AstSelBit::accept(AstNVisitor&, AstNUser*) ()
#15 0x000000000046978f in AstNode::iterateAndNext(AstNVisitor&, AstNUser*) ()
#16 0x00000000006004f6 in WidthVisitor::visit(AstNodeAssign*, AstNUser*) ()
#17 0x000000000045dbfd in AstNVisitor::visit(AstAssign*, AstNUser*) ()
#18 0x000000000041bf1f in AstAssign::accept(AstNVisitor&, AstNUser*) ()
#19 0x000000000046978f in AstNode::iterateAndNext(AstNVisitor&, AstNUser*) ()
#20 0x000000000046982e in AstNode::iterateChildren(AstNVisitor&, AstNUser*) ()
#21 0x00000000005f24fa in WidthVisitor::visit(AstNode*, AstNUser*) ()
#22 0x000000000045dc8d in AstNVisitor::visit(AstBegin*, AstNUser*) ()
#23 0x00000000004755f6 in AstBegin::accept(AstNVisitor&, AstNUser*) ()
#24 0x000000000046978f in AstNode::iterateAndNext(AstNVisitor&, AstNUser*) ()
#25 0x0000000000469856 in AstNode::iterateChildren(AstNVisitor&, AstNUser*) ()
#26 0x00000000005ee0f1 in WidthVisitor::visit(AstNodeFTask*, AstNUser*) ()
#27 0x000000000045eac1 in AstNVisitor::visit(AstTask*, AstNUser*) ()
#28 0x000000000041be24 in AstTask::accept(AstNVisitor&, AstNUser*) ()
#29 0x000000000046978f in AstNode::iterateAndNext(AstNVisitor&, AstNUser*) ()
#30 0x0000000000469842 in AstNode::iterateChildren(AstNVisitor&, AstNUser*) ()
#31 0x00000000005f24fa in WidthVisitor::visit(AstNode*, AstNUser*) ()
#32 0x000000000045e545 in AstNVisitor::visit(AstNodeModule*, AstNUser*) ()
#33 0x000000000045e395 in AstNVisitor::visit(AstModule*, AstNUser*) ()
#34 0x000000000041bd7a in AstModule::accept(AstNVisitor&, AstNUser*) ()
#35 0x0000000000469241 in AstNode::iterateListBackwards(AstNVisitor&, AstNUser*) ()
#36 0x0000000000469284 in AstNode::iterateChildrenBackwards(AstNVisitor&, AstNUser*) ()
#37 0x00000000005eaab3 in WidthVisitor::visit(AstNetlist*, AstNUser*) ()
#38 0x000000000045d24a in AstNetlist::accept(AstNVisitor&, AstNUser*) ()
#39 0x000000000046ce01 in AstNode::acceptSubtreeReturnEdits(AstNVisitor&, AstNUser*) ()
#40 0x00000000005e913b in V3Width::width(AstNetlist*) ()
#41 0x0000000000459c6d in process() ()
#42 0x000000000045cdd0 in main ()

Debug version under gdb:

Program received signal SIGSEGV, Segmentation fault.
0x00000034754bdbab in __dynamic_cast () from /usr/lib64/libstdc++.so.6
(gdb) bt
#0  0x00000034754bdbab in __dynamic_cast () from /usr/lib64/libstdc++.so.6
#1  0x000000000044863a in AstNode::castNodeDType (this=0x1) at ./V3Ast__gen_impl.h:137
#2  0x000000000049b852 in AstVar::childDTypep (this=0xa9d3a70) at ../V3AstNodes.h:896
#3  0x000000000064eeaf in WidthVisitor::visit (this=0x7fffffffd3a0, nodep=0xa9d3a70, vup=0x0) at ../V3Width.cpp:767
#4  0x000000000049b7bb in AstVar::accept (this=0xa9d3a70, v=..., vup=0x0) at ../V3AstNodes.h:880
#5  0x000000000051b5ab in AstNode::iterate (this=0xa9d3a70, v=..., vup=0x0) at ../V3Ast.h:1135
#6  0x000000000064f8c1 in WidthVisitor::visit (this=0x7fffffffd3a0, nodep=0xd9f9c80, vup=0x7fffffffc9b0) at ../V3Width.cpp:835
#7  0x00000000004802ff in AstNVisitor::visit (this=0x7fffffffd3a0, nodep=0xd9f9c80, vup=0x7fffffffc9b0) at ./V3Ast__gen_visitor.h:246
#8  0x000000000049cd3f in AstVarXRef::accept (this=0xd9f9c80, v=..., vup=0x7fffffffc9b0) at ../V3AstNodes.h:1170
#9  0x000000000048f772 in AstNode::iterateAndNext (this=0xd9f9c80, v=..., vup=0x7fffffffc9b0) at ../V3Ast.cpp:768
#10 0x000000000064dbc0 in WidthVisitor::visit (this=0x7fffffffd3a0, nodep=0xd9f9d80) at ../V3Width.cpp:636
#11 0x00000000004a0ba7 in AstAttrOf::accept (this=0xd9f9d80, v=..., vup=0x7fffffffcb30) at ../V3AstNodes.h:2700
#12 0x000000000048f772 in AstNode::iterateAndNext (this=0xd9f9d80, v=..., vup=0x7fffffffcb30) at ../V3Ast.cpp:768
#13 0x000000000064cfcd in WidthVisitor::visit (this=0x7fffffffd3a0, nodep=0x23b0fe0, vup=0x7fffffffcc50) at ../V3Width.cpp:527
#14 0x000000000042df19 in AstSelBit::accept (this=0x23b0fe0, v=..., vup=0x7fffffffcc50) at ../V3AstNodes.h:699
#15 0x000000000048f772 in AstNode::iterateAndNext (this=0x23b0fe0, v=..., vup=0x7fffffffcc50) at ../V3Ast.cpp:768
#16 0x0000000000652f14 in WidthVisitor::visit (this=0x7fffffffd3a0, nodep=0x23b1420) at ../V3Width.cpp:1209
#17 0x000000000047c87f in AstNVisitor::visit (this=0x7fffffffd3a0, nodep=0x23b1420, vup=0x0) at ./V3Ast__gen_visitor.h:11
#18 0x000000000043160f in AstAssign::accept (this=0x23b1420, v=..., vup=0x0) at ../V3AstNodes.h:1615
#19 0x000000000048f772 in AstNode::iterateAndNext (this=0x23b05e0, v=..., vup=0x0) at ../V3Ast.cpp:768
#20 0x000000000048f5bf in AstNode::iterateChildren (this=0x23af880, v=..., vup=0x0) at ../V3Ast.cpp:747
#21 0x0000000000655e77 in WidthVisitor::visit (this=0x7fffffffd3a0, nodep=0x23af880, vup=0x0) at ../V3Width.cpp:1590
#22 0x000000000047ca7f in AstNVisitor::visit (this=0x7fffffffd3a0, nodep=0x23af880, vup=0x0) at ./V3Ast__gen_visitor.h:19
#23 0x00000000004a03bd in AstBegin::accept (this=0x23af880, v=..., vup=0x0) at ../V3AstNodes.h:2472
#24 0x000000000048f772 in AstNode::iterateAndNext (this=0x23aa400, v=..., vup=0x0) at ../V3Ast.cpp:768
#25 0x000000000048f60f in AstNode::iterateChildren (this=0x23a9460, v=..., vup=0x0) at ../V3Ast.cpp:749
#26 0x0000000000654dd6 in WidthVisitor::visit (this=0x7fffffffd3a0, nodep=0x23a9460, vup=0x0) at ../V3Width.cpp:1468
#27 0x000000000047fcff in AstNVisitor::visit (this=0x7fffffffd3a0, nodep=0x23a9460, vup=0x0) at ./V3Ast__gen_visitor.h:222
#28 0x0000000000430601 in AstTask::accept (this=0x23a9460, v=..., vup=0x0) at ../V3AstNodes.h:1416
#29 0x000000000048f772 in AstNode::iterateAndNext (this=0x22cc470, v=..., vup=0x0) at ../V3Ast.cpp:768
#30 0x000000000048f5e7 in AstNode::iterateChildren (this=0x22d2360, v=..., vup=0x0) at ../V3Ast.cpp:748
#31 0x0000000000655e77 in WidthVisitor::visit (this=0x7fffffffd3a0, nodep=0x22d2360, vup=0x0) at ../V3Width.cpp:1590
#32 0x000000000047e97f in AstNVisitor::visit (this=0x7fffffffd3a0, nodep=0x22d2360, vup=0x0) at ./V3Ast__gen_visitor.h:144
#33 0x000000000047e37f in AstNVisitor::visit (this=0x7fffffffd3a0, nodep=0x22d2360, vup=0x0) at ./V3Ast__gen_visitor.h:119
#34 0x000000000042f551 in AstModule::accept (this=0x22d2360, v=..., vup=0x0) at ../V3AstNodes.h:1229
#35 0x000000000048f838 in AstNode::iterateListBackwards (this=0xa1c6b30, v=..., vup=0x0) at ../V3Ast.cpp:787
#36 0x000000000048f8be in AstNode::iterateChildrenBackwards (this=0xaee010, v=..., vup=0x0) at ../V3Ast.cpp:795
#37 0x0000000000655ce2 in WidthVisitor::visit (this=0x7fffffffd3a0, nodep=0xaee010) at ../V3Width.cpp:1578
#38 0x000000000047b577 in AstNetlist::accept (this=0xaee010, v=..., vup=0x7fffffffd360) at ../V3AstNodes.h:4466
#39 0x000000000048f9ef in AstNode::acceptSubtreeReturnEdits (this=0xaee010, v=..., vup=0x7fffffffd360) at ../V3Ast.cpp:821
#40 0x000000000065c447 in WidthVisitor::mainAcceptEdit (this=0x7fffffffd3a0, nodep=0xaee010) at ../V3Width.cpp:2349
#41 0x00000000006442eb in V3Width::width (nodep=0xaee010) at ../V3Width.cpp:2367
#42 0x00000000004760ca in process () at ../Verilator.cpp:193
#43 0x0000000000479e68 in main (argc=32, argv=0x7fffffffdd18, env=0x7fffffffde20) at ../Verilator.cpp:675
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Original Redmine Comment
Author Name: Wilson Snyder (@wsnyder)
Original Date: 2012-11-30T11:58:13Z

I suspect this was #�. Please try latest git.

@veripoolbot
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Original Redmine Comment
Author Name: Alex Solomatnikov
Original Date: 2012-11-30T18:29:10Z

You are right - it works after #� fix.

@veripoolbot veripoolbot added the resolution: duplicate Closed; issue or pull request already exists label Dec 22, 2019
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