Hi Austin, Thanks for catching that, but you missed one -- there's another one just above it! Queued for crash-7.2.8: https://github.com/crash-utility/crash/commit/b259940b228cc7025904f9b7372348b56f73a4d2 Dave ----- Original Message ----- > When we use 'help bt' command, the instruction of 'bt' is printed as below. > crash> help bt > > NAME > bt - backtrace > ... > crash> bf -FF > ... > #4 [ffff810072b47f10] vfs_write at ffffffff800789d8 > ffff810072b47f18: [ffff81007e020380:files_cache] > [ffff81007e2c2880:filp] > ffff810072b47f28: 0000000000000002 fffffffffffffff7 > ffff810072b47f38: 00002b141825d000 sys_write+69 > #5 [ffff810072b47f40] sys_write at ffffffff80078f75 > > But it seems that 'bf -FF' shows misleading information > because invalid output is displayed using 'bf -FF' command as below. > crash> bf -FF 1 > crash: command not found: bf > > But 'bt -FF 1' shows valid output. > crash> bt -FF 1 > PID: 1 TASK: cf932d40 CPU: 0 COMMAND: "systemd" > #0 [<c0c1609c>] (__schedule) from [<c0c162c0>] > [PC: c0c1609c LR: c0c162c0 SP: cf92fe18 SIZE: 72] > cf92fe18: 40060093 _end+238341700 _end+239562316 > trace_buffer_unlock_commit_regs+280 > cf92fe28: 001c754b schedule+132 schedule+124 00000004 > cf92fe38: 001c754b 00000000 __stack_chk_guard 00000000 > cf92fe48: 00000000 80060013 _end+239554564 00000000 > cf92fe58: _end+239562340 schedule+132 > #1 [<c0c162c0>] (schedule) from [<c0c1ab5c>] > [PC: c0c162c0 LR: c0c1ab5c SP: cf92fe60 SIZE: 8] > cf92fe60: _end+239562452 schedule_hrtimeout_range_clock+300 > > So fix typo for 'bf -FF' command as below to avoid confusion. > > Signed-off-by: Austin Kim <austindh.kim@xxxxxxxxx> > --- > help.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/help.c b/help.c > index 2b2285b..934d8bc 100644 > --- a/help.c > +++ b/help.c > @@ -2133,7 +2133,7 @@ char *help_bt[] = { > " ffff810072b47f38: 00002b141825d000 sys_write+69 ", > " #5 [ffff810072b47f40] sys_write at ffffffff80078f75", > " ...", > -" %s> bf -FF", > +" %s> bt -FF", > " ...", > " #4 [ffff810072b47f10] vfs_write at ffffffff800789d8", > " ffff810072b47f18: [ffff81007e020380:files_cache] > [ffff81007e2c2880:filp]", > -- > 2.6.2 > > -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility