[lldb-dev] Process 45245 exited with status = -1 (0xffffffff) debugserver died with an exit status of 0x00000000

[Greg Clayton via lldb-dev]

You might be able to set LLDB_DEBUGSERVER_LOG_FILE in the lldb program's environment with a path, then set LLDB_SERVER_LOG_CHANNELS to a set of channels that lldb-server will use when logging. It might give you some insight as to what is going on. These environment variables will get passed along to the lldb-server when it runs allowing lldb-server to log anything so you might be able to tell what is going on.


> On Apr 4, 2019, at 9:44 AM, Steve Ravet via lldb-dev <lldb-dev at lists.llvm.org> wrote:
> 
> lldb developers, I am having a problem with lldb that I hope you can help with. I am debugging some C++ by running it, and attaching to the process with lldb.  I get a nonsensical backtrace like this:
> 
> thread #37, name = 'xmsim', stop reason = signal SIGSTOP
>   frame #0: 0x00002b96a2ab1409
> thread #38, name = 'xmsim', stop reason = signal SIGSTOP
>   frame #0: 0x00002b96a2ab1409
> thread #39, name = 'xmsim', stop reason = signal SIGSTOP
>   frame #0: 0x00002b96a2ab1409
> thread #40, name = 'xmsim', stop reason = signal SIGSTOP
>   frame #0: 0x00002b96a2ab1409
> thread #41, name = 'xmsim', stop reason = signal SIGSTOP
>   frame #0: 0x00002b96a2ab1409
> thread #42, name = 'xmsim', stop reason = signal SIGSTOP
>   frame #0: 0x00002b96a2ab1409
> 
> And the first lldb command I try, I get the message in the subject, and the debug session is dead.
> 
> I am on CentOS 6 with no possibility of moving to something newer.  I had this problem with lldb 6.0.0, but recently moved to lldb 8.0.0 and still have it. The compile toolchain is llvm 6.0.0. Where do I look to further debug this, either why the process exited or why the debugserver died?
> 
> thanks,
> --steve
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> lldb-dev at lists.llvm.org
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