Ok, well can you check what are the calls to linux_init_abi (put a breakpoint or add a printf) and tell me what the num_disp_step_buffers argument values are? I would expect them to be 1.
If you see a call where num_disp_step_buffers is 0, then please provide the backtrace at that point. Thanks! -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gdb in Ubuntu. https://bugs.launchpad.net/bugs/1934505 Title: gdb 11 doesn't work on impish/s390x: internal-error: displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' failed. Status in gdb: Confirmed Status in gdb package in Ubuntu: Fix Released Bug description: gdb doesn't work on impish/s390x at the minute. Even if you say 'no' to both questions you still can't debug: ubuntu@laney-bos01-s390x-2:~/glib-networking-2.66.0/build$ gdb ls GNU gdb (Ubuntu 11.0.50.20210630-0ubuntu1) 11.0.50.20210630-git Copyright (C) 2021 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 "s390x-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 ls... (No debugging symbols found in ls) (gdb) run Starting program: /usr/bin/ls /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' failed. A problem internal to GDB has been detected, further debugging may prove unreliable. Quit this debugging session? (y or n) n This is a bug, please report it. For instructions, see: <https://www.gnu.org/software/gdb/bugs/>. /build/gdb-Ti35un/gdb-11.0.50.20210630/gdb/linux-tdep.c:2550: internal-error: displaced_step_prepare_status linux_displaced_step_prepare(gdbarch*, thread_info*, CORE_ADDR&): Assertion `gdbarch_data->num_disp_step_buffers > 0' failed. A problem internal to GDB has been detected, further debugging may prove unreliable. Create a core file of GDB? (y or n) n Command aborted. (gdb) To manage notifications about this bug go to: https://bugs.launchpad.net/gdb/+bug/1934505/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp