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https://sourceware.org/gdb/onlinedocs/gdb/Server.html
20.3 Using the gdbserver Program. gdbserver is a control program for Unix-like systems, which allows you to connect your program with a remote GDB via target remote or target extended-remote—but without linking in the usual debugging stub.. gdbserver is not a complete replacement for the debugging stubs, because it requires essentially the same operating-system facilities that GDB itself does.
http://www.sourceware.org/gdb/onlinedocs/gdb/Threads.html
‘set libthread-db-search-path path’, which lets the user specify which libthread_db to use if the default choice isn’t compatible with the program. The GDB thread debugging facility allows you to observe all threads while your program runs—but whenever GDB takes control, one thread in particular is always the focus of debugging.
https://www.eclipse.org/forums/index.php/t/159525/
The binary runs without problems on the target (a freescale MPC8641D). However, when starting a remote debugging session from Eclipse, I can start gdbserver on the target ok but when I then start the debug process in Eclipse (using powerpc-linux-gnu-gdb) I see the following on the target console: ... Using host libthread_db library "/lib ...
https://stackoverflow.com/questions/11016598/cross-gdb-fix-a-mismatch-between-libthread-db-and-libpthread
Jun 19, 2012 · I tried to rebuid libc2.5 for host in order to link gdb against to it. That's not what you need. What you need, is for gdb to find and load libthread_db.so.1, that matches your target libpthread.so.0.. For this, you need to
http://e2e.ti.com/support/legacy_forums/embedded/linux/f/354/t/52720?Remote-debugging-on-DM6467T-using-gdbserver-Fails
Jul 07, 2010 · Remote debugging on DM6467T using gdbserver Fails. Prodigy 60 points ... this is one of the messages you may see if you didn't build GDB properly for the thread support: dlopen failed on 'libthread_db.so.1' - /lib/libthread_db.so.1: undefined symbol: ps_lgetfpregs ... programs and services at any time or to move or discontinue any content ...
http://sourceware-org.1504.n7.nabble.com/gdbserver-and-quot-terminated-with-signal-SIGTRAP-quot-td104640.html
I got "Child terminated with signal = 5" message when debugging this tiny program with gdbserver. Setting breakpoint on "func" (which is an entry point of thread) and doing "continue" can reproduce this problem. I'm running gdb and gdbserver on same host (linux/x86).
https://e2e.ti.com/support/legacy_forums/embedded/linux/f/354/t/84357?version-mismatch-between-libthread-db-and-libpthread
May 16, 2013 · Remote side has terminated connection. GDBserver will reopen the connection. Now the I didn't change the libraries and when I prevent the video decode thread from starting I am able to debug my code again. However I don't think the video decode thread is wrong since if I run the application in ...
https://www-zeuthen.desy.de/unix/unixguide/infohtml/gdb/Server.html
gdbserver is a control program for Unix-like systems, which allows you to connect your program with a remote gdb via target remote—but without linking in the usual debugging stub. gdbserver is not a complete replacement for the debugging stubs, because it requires essentially the same operating-system facilities that gdb itself does.
https://www-zeuthen.desy.de/unix/unixguide/infohtml/gdb/Threads.html
4.10 Debugging Programs with Multiple Threads. ... ` set libthread-db-search-path path', ... If your gdb does not support threads, these commands have no effect. For example, a system without thread support shows no output from ` info threads ', and always rejects the thread command ...
http://agentzh.org/misc/code/gdb/gdbserver/thread-db.c.html
/* Connection to the libthread_db library. */ td_thragent_t *thread_agent; /* If this flag has been set, we've already asked GDB for all; symbols we might need; assume symbol cache misses are; failures. */ int all_symbols_looked_up; #ifndef USE_LIBTHREAD_DB_DIRECTLY /* Handle of the libthread_db from dlopen. */ void *handle; #endif /* Thread ...
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