Hi Christian, On Tue, 2026-01-13 at 21:26 +0100, Christian Groessler wrote: > I've noticed that the kernel covers up unaligned memory accesses, see > this dmesg message (and the program doesn't crash): > > [26186.220638] unal(9569): unaligned access to 0x000110e9 at ip > 0x00010543 (iir 0x0f40109c) > > Is there a way to disable the handling of unaligned accesses in kernel 6.x? > I'd like to get a bus error (SIGBUS or other signal) so I can find the > places in the code where unaligned accesses are done.
Looks like there is to control whether to enable the unaligned handler, see [1]. If you run into programs which trigger SIGBUS, please report them to the list as they will affect SPARC as well and we're tracking bugs affecting SPARC in [2]. Adrian > [1] > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bf14e3b979a01cd7298d631736f965fe83c6e2bc > [2] https://github.com/sparclinux/issues/issues -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
