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  • Glasgow Haskell Compiler
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  • #10236

Closed
Open
Opened Apr 03, 2015 by thoughtpolice@trac-thoughtpolice

DWARF unwind info is broken

As reported by bitonic and petermw on #ghc (April 2nd):

07:02 < bitonic> I'm trying to get a meaningful backtrace with DWARF, using 
                 <https://ghc.haskell.org/trac/ghc/wiki/DWARF> as a guide.  however, all I get is 
                 `Backtrace stopped: previous frame identical to this frame (corrupt stack?)`
07:03 < bitonic> I've re-built GHC 7.10.1 using `GhcRtsHcOpts += -g` and `GhcLibHcOpts += -g`, even if 
                 I'm not sure it's even necessary
07:04 < bitonic> are there any additional steps I should take?  or any way to make sure that the binary 
                 I'm generating is sane?
Trac metadata
Trac field Value
Version 7.10.1
Type Bug
TypeOfFailure OtherFailure
Priority high
Resolution Unresolved
Component Compiler (Debugging)
Test case
Differential revisions
BlockedBy
Related
Blocking
CC scpmw
Operating system
Architecture
Assignee
Assign to
7.10.2
Milestone
7.10.2 (Past due)
Assign milestone
Time tracking
None
Due date
None
Reference: ghc/ghc#10236