XuNeo opened a new pull request, #15638: URL: https://github.com/apache/nuttx/pull/15638
*Note: Please adhere to [Contributing Guidelines](https://github.com/apache/nuttx/blob/master/CONTRIBUTING.md).* ## Summary Add coredump support for x86-64. ## Impact coredump now works on x86-64. ## Testing 1. config ```patch CONFIG_BOARD_LOOPSPERMSEC=999 CONFIG_BOOT_RUNFROMEXTSRAM=y CONFIG_BUILTIN=y CONFIG_CONSOLE_SYSLOG=y +CONFIG_COREDUMP=y +CONFIG_DEBUG_FEATURES=y CONFIG_DEBUG_SYMBOLS=y CONFIG_DEFAULT_TASK_STACKSIZE=4194304 +CONFIG_ELF=y CONFIG_EXAMPLES_HELLO=y CONFIG_FS_PROCFS=y CONFIG_IDLETHREAD_STACKSIZE=4194304 @@ -58,4 +63,5 @@ CONFIG_SYSTEM_NSH=y CONFIG_SYSTEM_TIME64=y CONFIG_TESTING_OSTEST=y CONFIG_TESTING_OSTEST_STACKSIZE=4194304 +CONFIG_TTY_FORCE_PANIC=y CONFIG_USEC_PER_TICK=1 ``` 2. compile cmake -Bbuild -GNinja -DBOARD_CONFIG=qemu-intel64:nsh nuttx ninjia -Cbuild 3. run ``` qemu-system-x86_64 -m 2G -cpu host -enable-kvm -kernel build/nuttx -nographic -chardev pty,id=ch1 -device pci-serial,chardev=ch1 -s ``` Press CTRL+? to force panic, collect the log output and convert to core file using `python nuttx/tools/coredump.py coredump.log` 4. debug with core file ``` gdb-multiarch build/nuttx -c coredump.core GNU gdb (GDB) 17.0.50.20250117-git Copyright (C) 2024 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> 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 "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <https://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from build/nuttx... warning: core file may not match specified executable file. warning: found thread with pid 0, assigned replacement Target Id: LWP 2 [New LWP 2] [New LWP 1] Core was generated by `'. #0 up_idle () at /home/neo/projects/nuttx/nuttx/arch/x86_64/src/intel64/intel64_idle.c:91 91 } [Current thread is 1 (LWP 2)] (gdb) bt #0 up_idle () at /home/neo/projects/nuttx/nuttx/arch/x86_64/src/intel64/intel64_idle.c:91 #1 0x0000000100913bed in nx_start () at /home/neo/projects/nuttx/nuttx/sched/init/nx_start.c:782 #2 0x0000000100909220 in __nxstart () at /home/neo/projects/nuttx/nuttx/arch/x86_64/src/intel64/intel64_start.c:209 #3 0x0000000000000000 in ?? () (gdb) t 2 [Switching to thread 2 (LWP 1)] #0 0x000000010092548c in up_switch_context (tcb=0x100988200 <g_idletcb>, rtcb=0x10119f5d8) at /home/neo/projects/nuttx/nuttx/arch/x86_64/src/common/x86_64_switchcontext.c:85 85 else if (!up_saveusercontext(rtcb->xcp.regs)) (gdb) bt #0 0x000000010092548c in up_switch_context (tcb=0x100988200 <g_idletcb>, rtcb=0x10119f5d8) at /home/neo/projects/nuttx/nuttx/arch/x86_64/src/common/x86_64_switchcontext.c:85 #1 0x0000000100916b22 in nxsem_wait_slow (sem=0x100983098 <g_uart0port+56>) at /home/neo/projects/nuttx/nuttx/sched/semaphore/sem_wait.c:170 #2 0x0000000100916bb0 in nxsem_wait (sem=0x100983098 <g_uart0port+56>) at /home/neo/projects/nuttx/nuttx/sched/semaphore/sem_wait.c:270 #3 0x000000010090c02b in uart_readv (filep=0x10119fad0, uio=0x10159f670) at /home/neo/projects/nuttx/nuttx/drivers/serial/serial.c:1252 #4 0x000000010095a97a in file_readv (filep=0x10119fad0, uio=0x10159f670) at /home/neo/projects/nuttx/nuttx/fs/vfs/fs_read.c:165 #5 0x000000010095aa3a in nx_readv (fd=0, iov=0x10159f710, iovcnt=1) at /home/neo/projects/nuttx/nuttx/fs/vfs/fs_read.c:266 #6 0x000000010095aa89 in readv (fd=0, iov=0x10159f710, iovcnt=1) at /home/neo/projects/nuttx/nuttx/fs/vfs/fs_read.c:330 #7 0x000000010095ab02 in read (fd=0, buf=0x10159f743, nbytes=1) at /home/neo/projects/nuttx/nuttx/fs/vfs/fs_read.c:364 #8 0x0000000100933217 in cle_getch (priv=0x10159f7e0) at /home/neo/projects/nuttx/apps/system/cle/cle.c:305 #9 0x0000000100933863 in cle_editloop (priv=0x10159f7e0) at /home/neo/projects/nuttx/apps/system/cle/cle.c:705 #10 0x0000000100933d9c in cle_fd (line=0x1015a057c <error: Cannot access memory at address 0x1015a057c>, prompt=0x100983540 <g_nshprompt> "nsh> ", linelen=80, infd=0, outfd=1) at /home/neo/projects/nuttx/apps/system/cle/cle.c:1098 #11 0x000000010093309f in nsh_session (pstate=0x1015a0050, login=1, argc=1, argv=0x10119fcd0) at /home/neo/projects/nuttx/apps/nshlib/nsh_session.c:212 #12 0x000000010093274b in nsh_consolemain (argc=1, argv=0x10119fcd0) at /home/neo/projects/nuttx/apps/nshlib/nsh_consolemain.c:77 #13 0x0000000100922e23 in nsh_main (argc=1, argv=0x10119fcd0) at /home/neo/projects/nuttx/apps/system/nsh/nsh_main.c:76 #14 0x000000010092d9df in nxtask_startup (entrypt=0x100922da6 <nsh_main>, argc=1, argv=0x10119fcd0) at /home/neo/projects/nuttx/nuttx/libs/libc/sched/task_startup.c:72 #15 0x000000010091eaea in nxtask_start () at /home/neo/projects/nuttx/nuttx/sched/task/task_start.c:116 #16 0x0000000000000000 in ?? () (gdb) info threads Id Target Id Frame 1 LWP 2 up_idle () at /home/neo/projects/nuttx/nuttx/arch/x86_64/src/intel64/intel64_idle.c:91 * 2 LWP 1 0x000000010092548c in up_switch_context (tcb=0x100988200 <g_idletcb>, rtcb=0x10119f5d8) at /home/neo/projects/nuttx/nuttx/arch/x86_64/src/common/x86_64_switchcontext.c:85 (gdb) quit ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
