Taylor R Campbell <riastr...@netbsd.org> writes: >> Date: Fri, 28 Jul 2023 07:42:04 -0400 >> From: Brad Spencer <b...@anduin.eldar.org> >> >> dtrace: invalid probe specifier sdt:xen:hardclock:jump { @ = quantize(arg1 - >> arg0) } tick-10s { printa(@) }: probe description :::tick-10s does not match >> any probes > > modload dtrace_profile
Thanks, that allowed the dtrace to execute, but I never have time to execute the second probe, as this kernel panic occures within a few seconds of the first probe being run (probably on the order of 4 - 5 seconds): [ 213.9904671] fatal page fault in supervisor mode [ 213.9904671] trap type 6 code 0 rip 0xffffffff824d29ad cs 0xe030 rflags 0x10283 cr2 0xd8 ilevel 0x7 rsp 0xffff92032de8db58 [ 213.9904671] curlwp 0xffff92001784e9c0 pid 0.16 lowest kstack 0xffff92032de892c0 kernel: page fault trap, code=0 Stopped in pid 0.16 (system) at cyclic:cyclic_clock+0x86: movq d8(%rbx) ,%rax cyclic_clock() at cyclic:cyclic_clock+0x86 hardclock() at netbsd:hardclock+0x8f xen_timer_handler() at netbsd:xen_timer_handler+0x95 evtchn_do_event() at netbsd:evtchn_do_event+0x11c do_hypervisor_callback() at netbsd:do_hypervisor_callback+0x17e Xhandle_hypervisor_callback() at netbsd:Xhandle_hypervisor_callback+0x1a --- interrupt --- hypercall_page() at netbsd:hypercall_page+0x3aa idle_loop() at netbsd:idle_loop+0x147 cpu_hatch() at netbsd:cpu_hatch+0x19c ds 58f5 es f72a fs 196 gs 246 rdi ffff92032de8db78 rsi 0 rbp ffff92032de8dbb8 rbx 0 rdx d5 rcx 658f5 rax 1 r8 ffff920017834000 r9 399fcd6a r10 a9d32cec93 r11 963bca08 r12 1 r13 31d2d365f4 r14 ffffffff823f9460 solaris_cpu+0x40 r15 321e02ef47 rip ffffffff824d29ad cyclic_clock+0x86 cs e030 rflags 10283 rsp ffff92032de8db58 ss e02b cyclic:cyclic_clock+0x86: movq d8(%rbx),%rax db{1}> bt cyclic_clock() at cyclic:cyclic_clock+0x86 hardclock() at netbsd:hardclock+0x8f xen_timer_handler() at netbsd:xen_timer_handler+0x95 evtchn_do_event() at netbsd:evtchn_do_event+0x11c do_hypervisor_callback() at netbsd:do_hypervisor_callback+0x17e Xhandle_hypervisor_callback() at netbsd:Xhandle_hypervisor_callback+0x1a --- interrupt --- hypercall_page() at netbsd:hypercall_page+0x3aa idle_loop() at netbsd:idle_loop+0x147 cpu_hatch() at netbsd:cpu_hatch+0x19c -- Brad Spencer - b...@anduin.eldar.org - KC8VKS - http://anduin.eldar.org