>but it ALSO fails in a bullseye chroot, so this is possibly not related
In case this makes anyone immediately think of whatever it is: (gdb) r Starting program: /home/tg/dietlibc-0.34~cvs20160606-el-11/debian/unittests/ttt Program received signal SIGILL, Illegal instruction. __testandset () at arm/__testandset.S:7 7 swp r0, r1, [r2] (gdb) bt #0 __testandset () at arm/__testandset.S:7 #1 0x000113d4 in __pthread_lock (lock=lock@entry=0x25054 <_main_thread+20>) at libpthread/pthread_spinlock.c:84 #2 0x0001052c in __thread_find_ (pid=<optimized out>) at libpthread/pthread_internal.c:98 #3 0x00010578 in __thread_self () at libpthread/pthread_internal.c:127 #4 0x00010280 in malloc (size=32) at libpthread/pthread_sys_alloc.c:20 #5 0x00010124 in main () (gdb) info r r0 0x25054 151636 r1 0x1 1 r2 0x25054 151636 r3 0x0 0 r4 0x0 0 r5 0x25054 151636 r6 0x0 0 r7 0x1e8481 2000001 r8 0x10 16 r9 0xfffef684 4294899332 r10 0xfffef68c 4294899340 r11 0xfffef67c 4294899324 r12 0x14 20 sp 0xfffef3c0 0xfffef3c0 lr 0x113d4 70612 pc 0x11480 0x11480 <__testandset+8> cpsr 0x60000010 1610612752 fpscr 0x0 0 (gdb) disas Dump of assembler code for function __testandset: 0x00011478 <+0>: mov r2, r0 0x0001147c <+4>: mov r1, #1 => 0x00011480 <+8>: swp r0, r1, [r2] 0x00011484 <+12>: bx lr End of assembler dump.
