On Mon, Jun 12, 2023 at 07:39:21PM +0200, Peter N. M. Hansteen wrote: > > That lead to, as far as I can tell, to every package on the system being > reinstalled. > > However, unfortunately both firefox and thunderbird still dump core with > "Illegal instruction".
these ones are a bit expected. you have recent packages, so there are compiled with the right instructions to said to the CPU "you could arrived here from an indirect branch". but some handmade functions (usually written in asm) are out of the scope for the compiler to automatically add such instructions. For example, devle/gmp has been recently corrected to have them. Before, the asm code was doing indirect jump (save the address in a register, and jump to the address contained in this register), and the final address destination wasn't a `endbr64' instruction to tell to the CPU "it's fine". So CPU triggers an exception, and kernel interpret it as SIGILL. firefox (and thunderbird) has devel/nasm in BUILD_DEPENDS, so they should have asm functions which might need correction, or they might using a library in this case. Could you get a egdb backtrace (and a disassemble) of the SIGILL ? Thanks. -- Sebastien Marie
