I just got this using today's kernel+userland during a pkgsrc Rust compilation while updating Firefox (pkgsrc also today's). System is a ThinkPad P53, i9 9880H and 48GB RAM:
[ 8734.5350365] panic: kernel diagnostic assertion "l->l_refcnt != 0" failed: file "/usr/src/sys/kern/kern_lwp.c", line 1701 [ 8734.5350365] cpu2: begin traceback... [ 8734.5350365] vpanic() at netbsd:vpanic+0x178 [ 8734.5350365] kern_assert() at netbsd:kern_assert+0x48 [ 8734.5350365] lwp_addref() at netbsd:lwp_addref+0xbc [ 8734.5350365] procfs_rw() at netbsd:procfs_rw+0xeb [ 8734.5350365] VOP_READ() at netbsd:VOP_READ+0x53 [ 8734.5350365] vn_read() at netbsd:vn_read+0x88 [ 8734.5350365] dofileread() at netbsd:dofileread+0x8c [ 8734.5350365] sys_read() at netbsd:sys_read+0x49 [ 8734.5350365] syscall() at netbsd:syscall+0x299 [ 8734.5350365] --- syscall (number 3) --- [ 8734.5350365] 7519d7a42baa: [ 8734.5350365] cpu2: End traceback... [ 8734.5350365] Mutex error: mutex_vector_enter,542: locking against myself [ 8734.5350365] lock address : 0xffffced93d804b00 [ 8734.5350365] current cpu : 2 [ 8734.5350365] current lwp : 0xffffced7c1ce42c0 [ 8734.5350365] owner field : 0xffffced7c1ce42c0 wait/spin: 0/0 [ 8734.5350365] Skipping crash dump on recursive panic [ 8734.5350365] panic: lock error: Mutex: mutex_vector_enter,542: locking against myself: lock 0xffffced93d804b00 cpu 2 lwp 0xffffced7c1ce42c0 [ 8734.5350365] cpu2: Begin traceback... [ 8734.5350365] vpanic() at netbsd:vpanic+0x178 [ 8734.5350365] snprintf() at netbsd:snprintf [ 8734.5350620] lockdebug_abort() at netbsd:lockdebug_abort+0xe6 [ 8734.5350620] mutex_vector_enter() at netbsd:mutex_vector_enter+0x3c1 [ 8734.5350620] suspendsched() at netbsd:suspendsched+0xf5 [ 8734.5350620] cpu_reboot() at netbsd:cpu_reboot+0x46 [ 8734.5350620] sys_reboot() at netbsd:sys_reboot [ 8734.5350620] vpanic() at netbsd:vpanic+0x181 [ 8734.5350620] kern_assert() at netbsd:kern_assert+0x48 [ 8734.5350620] lwp_addref() at netbsd:lwp_addref+0xbc [ 8734.5350620] procfs_rw() at netbsd:procfs_rw+0xeb [ 8734.5350620] VOP_READ() at netbsd:VOP_READ+0x53 [ 8734.5350620] vn_read() at netbsd:vn_read+0x88 [ 8734.5350620] dofileread() at netbsd:dofileread+0x8c [ 8734.5350620] sys_read() at netbsd:sys_read+0x49 [ 8734.5350620] syscall() at netbsd:syscall+0x299 [ 8734.5350620] --- syscall (number 3) --- [ 8734.5350620] 7519d7a42baa: [ 8734.5350620] cpu2: End traceback... Let me know if there's anything else needed. David
