--- zzzz-none-000/linux-4.9.231/arch/mips/kernel/smp-mt.c 2020-07-22 07:10:54.000000000 +0000 +++ falcon-5530-730/linux-4.9.231/arch/mips/kernel/smp-mt.c 2022-08-31 08:19:48.000000000 +0000 @@ -203,8 +203,8 @@ /* restart */ write_tc_c0_tcrestart((unsigned long)&smp_bootstrap); - /* enable the tc this vpe/cpu will be running */ - write_tc_c0_tcstatus((read_tc_c0_tcstatus() & ~TCSTATUS_IXMT) | TCSTATUS_A); + /* enable the tc this vpe/cpu will be running & allow DSP instructions */ + write_tc_c0_tcstatus((read_tc_c0_tcstatus() & ~TCSTATUS_IXMT) | TCSTATUS_A | TCSTATUS_TMX); write_tc_c0_tchalt(0);