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Old 02-25-2017, 02:45 AM   #1
TKH
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Distribution: Ubuntu, LFS, Slackware, Fedora
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GDB Internal Error


I don't know whether this is a distro-specific problem (of Gentoo).

Anyway, I encountered a weird error when I was on my GDB session.
To give some context, I was working on a college assignment.
It was an Operating System course that's having me program a miniature UNIX kernel.
I was debugging some problem on process-management.
The GDB seemed okay until one point.

Code:
(gdb) b proc.c:929
Breakpoint 1 at 0x801059e0: file proc.c, line 929.
(gdb) cond 1 (!holding(&ptable.lock))
(gdb) c
Continuing.
The target architecture is assumed to be i386
=> 0x803bef6f:	int3   
regcache.c:401: internal-error: regcache_cpy: Assertion `src->descr->gdbarch == dst->descr->gdbarch' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n)
Have anyone ever encountered this kind of experience?
Any little information is appreciated.

Thank you
 
Old 02-27-2017, 07:51 PM   #2
dijetlo
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Quote:
The target architecture is assumed to be i386
=> 0x803bef6f: int3
regcache.c:401: internal-error: regcache_cpy: Assertion `src->descr->gdbarch == dst->descr->gdbarch' failed.
It's assuming i386 architecture during the build however when it tries to copy, the... um... processor registers...maybe... the destination architecture is something else. Have you changed any data structures in your code since the last time you ran the debugger?

did you get something that looked like this in the debugger output prior to your error?

Quote:
Syncing %s cache

Last edited by dijetlo; 02-27-2017 at 08:13 PM.
 
  


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