The GDB disassembler does not support APX. Reproducer: cat >apx.s <<EOF .text f: push2 %rax, %rbx EOF as apx.s gdb -quiet -ex "disassemble f" -ex quit a.out Current output: Reading symbols from a.out... (No debugging symbols found in a.out) Dump of assembler code for function f: 0x0000000000000000 <+0>: (bad) 0x0000000000000001 <+1>: hlt 0x0000000000000002 <+2>: fs sbb %bh,%bh 0x0000000000000005 <+5>: lock End of assembler dump. Expected output: Something similar to what objdump prints: 0000000000000000 <f>: 0: 62 f4 64 18 ff f0 push2 %rax,%rbx Problem seen with: gdb-14.2-1.fc40.x86_64 Reproducible: Always
FEDORA-2024-11329d120f (gdb-14.2-2.fc40) has been submitted as an update to Fedora 40. https://bodhi.fedoraproject.org/updates/FEDORA-2024-11329d120f
FEDORA-2024-11329d120f has been pushed to the Fedora 40 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2024-11329d120f` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2024-11329d120f See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2024-11329d120f (gdb-14.2-2.fc40) has been pushed to the Fedora 40 stable repository. If problem still persists, please make note of it in this bug report.