closing this rather old issue. sorry for not addressing this earlier.
Please could you recheck with the recent 14.04 LTS or 14.10 releases and
reopen the issue if the problem persists?
** Changed in: gdb (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/495115
Title:
gdb segfaults after a program it is debugging segfaults, restarts, and
reaches a break point
Status in “gdb” package in Ubuntu:
Invalid
Bug description:
Binary package hint: gdb
gdb is crashing when i restart a segfaulted program and reach a
breakpoint. I'm debugging some simple data transforms via a test
program (i'll try to attach), which fails when run on itself(not the
bug i'm reporting). I set a breakpoint before the first run at line
data_transforms.c:156(middle of a for loop). When it reaches the break
for the first time in the new run, it segfaults.
I'm running 9.10 karmic, with uname -a:
Linux schrodingers-grue-box 2.6.31-16-generic #52-Ubuntu SMP Thu Dec 3
22:00:22 UTC 2009 i686 GNU/Linux
apt-cache reports gdb as: Architecture: i386 Version: 7.0-0ubuntu1
I attached gdb to gdb, caused the segfault again, and recieved the
following backtrace:
Program received signal SIGSEGV, Segmentation fault.
0x08181de9 in check_typedef ()
(gdb) bt
#0 0x08181de9 in check_typedef ()
#1 0x08129be2 in allocate_value_lazy ()
#2 0x08129ca2 in allocate_value ()
#3 0x08129e73 in value_from_longest ()
#4 0x0812e10d in evaluate_subexp_standard ()
#5 0x081cb73e in ?? ()
#6 0x0812c1d7 in evaluate_subexp_standard ()
#7 0x081cb73e in ?? ()
#8 0x0812ad1e in evaluate_subexp_with_coercion ()
#9 0x0812cbc9 in evaluate_subexp_standard ()
#10 0x081cb73e in ?? ()
#11 0x0812aaff in evaluate_expression ()
#12 0x08141681 in ?? ()
#13 0x0814182f in do_displays ()
#14 0x0815e826 in normal_stop ()
#15 0x0815a9e7 in ?? ()
#16 0x080928e2 in execute_command ()
#17 0x0817094b in ?? ()
#18 0x081716a2 in ?? ()
#19 0x007fba32 in rl_callback_read_char () from /lib/libreadline.so.6
#20 0x08170a8b in ?? ()
#21 0x0816ff79 in ?? ()
#22 0x0816f7bb in ?? ()
---Type <return> to continue, or q <return> to quit---
#23 0x08170646 in gdb_do_one_event ()
#24 0x0816a983 in catch_errors ()
#25 0x080f4ab4 in ?? ()
#26 0x0816b053 in current_interp_command_loop ()
#27 0x080891bb in ?? ()
#28 0x0816a983 in catch_errors ()
#29 0x08089d84 in ?? ()
#30 0x0816a983 in catch_errors ()
#31 0x080890e2 in gdb_main ()
#32 0x080890a3 in main ()
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