[Bug gdb/29742] [ARMv7] [gdbserver] maybe_hw_step: Assertion `has_single_step_breakpoints (thread)' failed.

["libin.dang at gmail dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=29742

--- Comment #9 from Libin Dang <libin.dang at gmail dot com> ---
Backtrace of gdbserver:

(gdb) bt
#0  0x76c7e216 in ?? () from /lib/libc.so.6
#1  0x76c8c9d4 in raise () from /lib/libc.so.6
#2  0x76c7dca0 in abort () from /lib/libc.so.6
#3  0x0041f1e0 in abort_or_exit () at
../../gdb-14.0.50.20230201/gdbserver/utils.cc:39
#4  internal_verror (file=<optimized out>, line=line@entry=2448, fmt=0x0,
fmt@entry=0x7ec8e2bc "\260KF", args=..., args@entry=...)
    at ../../gdb-14.0.50.20230201/gdbserver/utils.cc:108
#5  0x0044fd32 in internal_error_loc (file=<optimized out>,
line=line@entry=2448, fmt=0x45c8b0 "%s. Switching to stderr.\n") at
../../gdb-14.0.50.20230201/gdbsupport/errors.cc:58
#6  0x0043cfbc in linux_process_target::maybe_hw_step (this=<optimized out>,
thread=<optimized out>) at
../../gdb-14.0.50.20230201/gdbserver/linux-low.cc:2448
#7  linux_process_target::maybe_hw_step (this=<optimized out>,
thread=<optimized out>) at
../../gdb-14.0.50.20230201/gdbserver/linux-low.cc:2440
#8  0x0043d99e in linux_process_target::resume_stopped_resumed_lwps
(this=this@entry=0x4821ec <the_arm_target>, thread=0x9c17d0)
    at ../../gdb-14.0.50.20230201/gdbserver/linux-low.cc:2466
#9  0x0043e9ac in <lambda(thread_info*)>::operator() (__closure=<synthetic
pointer>, thread=<optimized out>) at
../../gdb-14.0.50.20230201/gdbserver/linux-low.cc:2606
#10 for_each_thread<linux_process_target::wait_for_event_filtered(ptid_t,
ptid_t, int*, int)::<lambda(thread_info*)> > (func=...)
    at ../../gdb-14.0.50.20230201/gdbserver/gdbthread.h:159
#11 linux_process_target::wait_for_event_filtered (this=this@entry=0x4821ec
<the_arm_target>, wait_ptid=..., filter_ptid=..., wstatp=0x7ec8e544,
options=1073741824)
    at ../../gdb-14.0.50.20230201/gdbserver/linux-low.cc:2604
#12 0x00440e2a in linux_process_target::wait_for_event (options=1078469316,
wstatp=0x7ec8e544, ptid=..., this=0x4821ec <the_arm_target>)
    at ../../gdb-14.0.50.20230201/gdbserver/linux-low.cc:2676
#13 linux_process_target::wait_1 (this=this@entry=0x4821ec <the_arm_target>,
ptid=..., ourstatus=ourstatus@entry=0x484818 <g_client_state+1288>,
target_options=..., 
    target_options@entry=...) at
../../gdb-14.0.50.20230201/gdbserver/linux-low.cc:2970
#14 0x0044256c in linux_process_target::wait (this=0x4821ec <the_arm_target>,
ptid=..., ourstatus=0x484818 <g_client_state+1288>, target_options=...)
    at ../../gdb-14.0.50.20230201/gdbserver/linux-low.cc:3624
#15 0x00430a1c in target_wait (options=..., status=0x484818
<g_client_state+1288>, ptid=...) at
../../gdb-14.0.50.20230201/gdbserver/target.cc:199
#16 mywait (ptid=..., ourstatus=ourstatus@entry=0x484818 <g_client_state+1288>,
options=..., connected_wait=connected_wait@entry=1)
    at ../../gdb-14.0.50.20230201/gdbserver/target.cc:144
#17 0x0042a6c0 in resume (actions=<optimized out>, num_actions=<optimized out>)
at ../../gdb-14.0.50.20230201/gdbserver/server.cc:2917
#18 resume (actions=0x9d4b18, num_actions=<optimized out>) at
../../gdb-14.0.50.20230201/gdbserver/server.cc:2889
#19 0x0042b168 in handle_v_cont (own_buf=0x9d4b18 "<\001") at
../../gdb-14.0.50.20230201/gdbserver/server.cc:2876
#20 handle_v_requests (own_buf=own_buf@entry=0x9b50a8
"vCont;r45b52a,45b52c:p13c.17d;c:p13c.-1", packet_len=packet_len@entry=39,
new_packet_len=new_packet_len@entry=0x7ec8e8ac)
    at ../../gdb-14.0.50.20230201/gdbserver/server.cc:3136
#21 0x0042de1e in process_serial_event () at
../../gdb-14.0.50.20230201/gdbserver/server.cc:4482
#22 handle_serial_event (err=<optimized out>, client_data=<optimized out>) at
../../gdb-14.0.50.20230201/gdbserver/server.cc:4514
#23 0x0045026c in gdb_wait_for_event (block=block@entry=1) at
../../gdb-14.0.50.20230201/gdbsupport/event-loop.cc:694
#24 0x0045099c in gdb_wait_for_event (block=1) at
../../gdb-14.0.50.20230201/gdbsupport/event-loop.cc:593
#25 gdb_do_one_event (mstimeout=mstimeout@entry=-1) at
../../gdb-14.0.50.20230201/gdbsupport/event-loop.cc:264
#26 0x0041f9cc in start_event_loop () at
../../gdb-14.0.50.20230201/gdbserver/server.cc:3512
#27 captured_main (argv=<optimized out>, argc=4) at
../../gdb-14.0.50.20230201/gdbserver/server.cc:3992
#28 main (argc=4, argv=<optimized out>) at
../../gdb-14.0.50.20230201/gdbserver/server.cc:4078

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