A amd64 box updated to -current yesterday panicked overnight with (gdb) target kvm netbsd.0.core 0xffffffff80222535 in cpu_reboot (howto=howto@entry=260, bootstr=bootstr@entry=0x0) at ../../../../arch/amd64/amd64/machdep.c:713 713 dumpsys(); (gdb) bt #0 0xffffffff80222535 in cpu_reboot (howto=howto@entry=260, bootstr=bootstr@entry=0x0) at ../../../../arch/amd64/amd64/machdep.c:713 #1 0xffffffff8062750a in kern_reboot (howto=howto@entry=260, bootstr=bootstr@entry=0x0) at ../../../../kern/kern_reboot.c:73 #2 0xffffffff80657570 in vpanic (fmt=fmt@entry=0xffffffff809397d0 "trap", ap=ap@entry=0xffffa9814eb90ac8) at ../../../../kern/subr_prf.c:290 #3 0xffffffff80657634 in panic (fmt=fmt@entry=0xffffffff809397d0 "trap") at ../../../../kern/subr_prf.c:209 #4 0xffffffff80224b6b in trap (frame=0xffffa9814eb90c10) at ../../../../arch/amd64/amd64/trap.c:326 #5 0xffffffff8021da35 in alltraps () #6 0xffffffff807596d5 in radix_tree_lookup_ptr (tagmask=0, alloc=false, path=0xffffa9814eb90d00, idx=10, t=0xffff84733b57b1d8) at ../../../../../../lib/libkern/../../../common/lib/libc/gen/radixtree.c:557 #7 radix_tree_clear_tag (t=t@entry=0xffff84733b57b1d8, idx=idx@entry=10, tagmask=tagmask@entry=1) at ../../../../../../lib/libkern/../../../common/lib/libc/gen/radixtree.c:1113 #8 0xffffffff805f2f42 in uvm_pagemarkdirty (pg=pg@entry=0xffffa98005772880, newstatus=newstatus@entry=1) at ../../../../uvm/uvm_page_status.c:109 #9 0xffffffff805f44a8 in uvmpd_scan_queue () at ../../../../uvm/uvm_pdaemon.c:752 #10 uvmpd_scan () at ../../../../uvm/uvm_pdaemon.c:900 #11 uvm_pageout (arg=<optimized out>) at ../../../../uvm/uvm_pdaemon.c:316 #12 0xffffffff802086f7 in lwp_trampoline ()
reminds me of PR 55493 which was on a different box Cheers, Patrick