From: cde To: bug-bash@gnu.org Subject: bash crash Configuration Information [Automatically generated, do not change]: Machine: aarch64 OS: linux-gnu Compiler: aarch64-mvista-linux-gcc --sysroot= Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='aarch64' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='aarch64-mvista-linux-gnu' -DCONF_VENDOR='mvista' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I/workspace/scratch/ecenrui/mvl/SF-RP-P1S/prebuilts/mvl/build/tmp/work/aarch64-mvista-linux/bash/4.3-r1/bash-4.3 -I/workspace/scratch/ecenrui/mvl/SF-RP-P1S/prebuilts/mvl/build/tmp/work/aarch64-mvista-linux/bash/4.3-r1/bash-4.3/include -I/workspace/scratch/ecenrui/mvl/SF-RP-P1S/prebuilts/mvl/build/tmp/work/aarch64-mvista-linux/bash/4.3-r1/bash-4.3/lib -O2 -pipe -g -feliminate-unused-debug-types uname output: Linux sf-rp-p1s 3.14.37-mvista #1 SMP PREEMPT Sun Oct 11 15:26:42 CEST 2015 aarch64 GNU/Linux Machine Type: aarch64-mvista-linux-gnu Bash Version: 4.3 Patch Level: 30 Release Status: release Description: Here is the coredump log for bash4.3. sh-4.3# gdb ./bash -c ./19700101_000133_com.sh.2244.93.sf-rp-p1s.core GNU gdb (GDB) 7.9 Copyright (C) 2015 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "aarch64-mvista-linux". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from ./bash...done. warning: core file may not match specified executable file. [New LWP 2244] [New LWP 2254] warning: Could not load shared library symbols for linux-vdso.so.1. Do you need "set solib-search-path" or "set sysroot"? [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/libthread_db.so.1". Core was generated by `/bin/sh /opt/com/bin/com.sh start'. Program terminated with signal SIGSEGV, Segmentation fault. #0 morecore (nu=7) at /usr/src/debug/bash/4.3-r1/bash-4.3/lib/malloc/malloc.c:649 649 /usr/src/debug/bash/4.3-r1/bash-4.3/lib/malloc/malloc.c: No such file or directory. (gdb) bt #0 morecore (nu=7) at /usr/src/debug/bash/4.3-r1/bash-4.3/lib/malloc/malloc.c:649 #1 internal_malloc (n=n@entry=576, file=file@entry=0x4b6ce8 "", line=line@entry=3391, flags=1) at /usr/src/debug/bash/4.3-r1/bash-4.3/lib/malloc/malloc.c:786 #2 0x00000000004b3b48 in sh_malloc (bytes=bytes@entry=576, file=file@entry=0x4b6ce8 "", line=line@entry=3391) at /usr/src/debug/bash/4.3-r1/bash-4.3/lib/malloc/malloc.c:1187 #3 0x0000000000471a04 in sh_xmalloc (bytes=bytes@entry=576, file=file@entry=0x4b6ce8 "", line=line@entry=3391) at /usr/src/debug/bash/4.3-r1/bash-4.3/xmalloc.c:183 #4 0x0000000000438108 in vlist_alloc (nentries=71) at /usr/src/debug/bash/4.3-r1/bash-4.3/variables.c:3391 #5 0x000000000043abf0 in map_over ( function=function@entry=0x437fb4 , vc=vc@entry=0x51d408) at /usr/src/debug/bash/4.3-r1/bash-4.3/variables.c:3454 #6 0x000000000043c904 in make_var_export_array (vcxt=0x51d408) at /usr/src/debug/bash/4.3-r1/bash-4.3/variables.c:4029 #7 maybe_make_export_env () at /usr/src/debug/bash/4.3-r1/bash-4.3/variables.c:4208 #8 0x000000000043ca0c in maybe_make_export_env () at /usr/src/debug/bash/4.3-r1/bash-4.3/variables.c:4176 ---Type to continue, or q to quit--- #9 0x000000000044d42c in command_substitute (string=0x0, string@entry=0x51ae48 "dirname ${LOG_FILE}", quoted=quoted@entry=0) at /usr/src/debug/bash/4.3-r1/bash-4.3/subst.c:5376 #10 0x000000000045342c in expand_word_internal (word=0x51c628, quoted=quoted@entry=0, isexp=isexp@entry=0, contains_dollar_at=0x7fd004e514, contains_dollar_at@entry=0x7fd004e594, expanded_something=0x7fd004e510, expanded_something@entry=0x7fd004e590) at /usr/src/debug/bash/4.3-r1/bash-4.3/subst.c:8457 #11 0x0000000000456004 in shell_expand_word_list (eflags=31, tlist=0x51c748) at /usr/src/debug/bash/4.3-r1/bash-4.3/subst.c:9581 #12 expand_word_list_internal (list=, eflags=eflags@entry=31) at /usr/src/debug/bash/4.3-r1/bash-4.3/subst.c:9701 #13 0x000000000045680c in expand_words (list=) at /usr/src/debug/bash/4.3-r1/bash-4.3/subst.c:9280 #14 0x0000000000432b54 in execute_simple_command (simple_command=0x51b5c8, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x51c9c8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:4004 #15 0x0000000000434964 in execute_command_internal ( command=command@entry=0x51b488, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51c9c8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:787 ---Type to continue, or q to quit--- #16 0x0000000000436188 in execute_command (command=0x51b488) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #17 0x0000000000434a50 in execute_if_command (if_command=0x51af88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:3415 #18 execute_command_internal (command=command@entry=0x51b508, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51cfe8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:897 #19 0x0000000000436188 in execute_command (command=0x51b508) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #20 0x00000000004346c4 in execute_connection (fds_to_close=0x51cfc8, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x51af48) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #21 execute_command_internal (command=command@entry=0x51af48, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51cfc8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #22 0x0000000000436188 in execute_command (command=0x51af48) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #23 0x00000000004346c4 in execute_connection (fds_to_close=0x51aca8, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x51ae88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #24 execute_command_internal (command=0x51ae88, asynchronous=0, ---Type to continue, or q to quit--- pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51aca8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #25 0x0000000000434748 in execute_connection (fds_to_close=, pipe_out=, pipe_in=, asynchronous=, command=) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2542 #26 execute_command_internal (command=0x51af08, command@entry=0x0, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=0x51aca8, fds_to_close@entry=0x0) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #27 0x0000000000437648 in execute_function (var=var@entry=0x50a988, flags=flags@entry=0, fds_to_close=0x0, fds_to_close@entry=0x51aca8, async=async@entry=0, subshell=subshell@entry=0, words=) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:4543 #28 0x0000000000433b70 in execute_builtin_or_function (flags=0, fds_to_close=0x51aca8, redirects=, var=0x50a988, builtin=0x0, words=0x51d368) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:4773 #29 execute_simple_command (simple_command=, pipe_in=pipe_in@entry=-1, pipe_out=, pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x51aca8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:4174 ---Type to continue, or q to quit--- #30 0x0000000000434964 in execute_command_internal (command=0x518588, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51aca8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:787 #31 0x0000000000434708 in execute_connection (fds_to_close=0x51aca8, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517f08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2500 #32 execute_command_internal (command=command@entry=0x517f08, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51aca8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #33 0x0000000000436188 in execute_command (command=0x517f08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #34 0x00000000004346c4 in execute_connection (fds_to_close=0x51ac88, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517e88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #35 execute_command_internal (command=command@entry=0x517e88, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51ac88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #36 0x0000000000436188 in execute_command (command=0x517e88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #37 0x00000000004346c4 in execute_connection (fds_to_close=0x51aae8, ---Type to continue, or q to quit--- pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517e08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #38 execute_command_internal (command=command@entry=0x517e08, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51aae8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #39 0x0000000000436188 in execute_command (command=0x517e08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #40 0x00000000004346c4 in execute_connection (fds_to_close=0x51aac8, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517d88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #41 execute_command_internal (command=command@entry=0x517d88, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51aac8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #42 0x0000000000436188 in execute_command (command=0x517d88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #43 0x00000000004346c4 in execute_connection (fds_to_close=0x51a928, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517d08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #44 execute_command_internal (command=command@entry=0x517d08, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51a928) ---Type to continue, or q to quit--- at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #45 0x0000000000436188 in execute_command (command=0x517d08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #46 0x00000000004346c4 in execute_connection (fds_to_close=0x51a908, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517c88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #47 execute_command_internal (command=command@entry=0x517c88, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51a908) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #48 0x0000000000436188 in execute_command (command=0x517c88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #49 0x00000000004346c4 in execute_connection (fds_to_close=0x51a768, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517c08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #50 execute_command_internal (command=command@entry=0x517c08, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51a768) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #51 0x0000000000436188 in execute_command (command=0x517c08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #52 0x00000000004346c4 in execute_connection (fds_to_close=0x51a748, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517b88) ---Type to continue, or q to quit--- at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #53 execute_command_internal (command=command@entry=0x517b88, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51a748) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #54 0x0000000000436188 in execute_command (command=0x517b88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #55 0x00000000004346c4 in execute_connection (fds_to_close=0x51a5a8, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517b08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #56 execute_command_internal (command=command@entry=0x517b08, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51a5a8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #57 0x0000000000436188 in execute_command (command=0x517b08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #58 0x00000000004346c4 in execute_connection (fds_to_close=0x51a588, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517a88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #59 execute_command_internal (command=command@entry=0x517a88, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51a588) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 ---Type to continue, or q to quit--- #60 0x0000000000436188 in execute_command (command=0x517a88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #61 0x00000000004346c4 in execute_connection (fds_to_close=0x51a3e8, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517a08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #62 execute_command_internal (command=command@entry=0x517a08, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51a3e8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #63 0x0000000000436188 in execute_command (command=0x517a08) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #64 0x00000000004346c4 in execute_connection (fds_to_close=0x51a3c8, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517988) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #65 execute_command_internal (command=command@entry=0x517988, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51a3c8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #66 0x0000000000436188 in execute_command (command=0x517988) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #67 0x00000000004346c4 in execute_connection (fds_to_close=0x51a1e8, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517908) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 ---Type to continue, or q to quit--- #68 execute_command_internal (command=command@entry=0x517908, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x51a1e8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #69 0x0000000000436188 in execute_command (command=0x517908) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #70 0x00000000004346c4 in execute_connection (fds_to_close=0x4ff3c8, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517888) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #71 execute_command_internal (command=command@entry=0x517888, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x4ff3c8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #72 0x0000000000436188 in execute_command (command=0x517888) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #73 0x00000000004346c4 in execute_connection (fds_to_close=0x504c88, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x517808) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2498 #74 execute_command_internal (command=0x517808, asynchronous=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x504c88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #75 0x0000000000434748 in execute_connection (fds_to_close=, ---Type to continue, or q to quit--- pipe_out=, pipe_in=, asynchronous=, command=) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:2542 #76 execute_command_internal (command=0x5177c8, command@entry=0x0, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=0x504c88, fds_to_close@entry=0x0) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:945 #77 0x0000000000437648 in execute_function (var=var@entry=0x514288, flags=flags@entry=0, fds_to_close=0x0, fds_to_close@entry=0x504c88, async=async@entry=0, subshell=subshell@entry=0, words=) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:4543 #78 0x0000000000433b70 in execute_builtin_or_function (flags=0, fds_to_close=0x504c88, redirects=, var=0x514288, builtin=0x0, words=0x517728) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:4773 #79 execute_simple_command (simple_command=, pipe_in=pipe_in@entry=-1, pipe_out=, pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x504c88) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:4174 #80 0x0000000000434964 in execute_command_internal ( command=command@entry=0x50b808, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x504c88) ---Type to continue, or q to quit--- at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:787 #81 0x0000000000436188 in execute_command (command=0x50b808) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #82 0x000000000043515c in execute_case_command (case_command=) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:3299 #83 execute_command_internal (command=command@entry=0x5173c8, asynchronous=asynchronous@entry=0, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, fds_to_close=fds_to_close@entry=0x517408) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:879 #84 0x0000000000436188 in execute_command (command=0x5173c8) at /usr/src/debug/bash/4.3-r1/bash-4.3/execute_cmd.c:390 #85 0x00000000004205fc in reader_loop () at /usr/src/debug/bash/4.3-r1/bash-4.3/eval.c:160 #86 0x000000000041eeac in main (argc=32, argv=0x7fd0050c10, env=0x0) at /usr/src/debug/bash/4.3-r1/bash-4.3/shell.c:755 (gdb) q Repeat-By: [Describe the sequence of events that causes the problem to occur.] Fix: [Description of how to fix the problem. If you don't know a fix for the problem, don't include this section.]