Date: Sat, 5 Sep 2020 10:06:53 +0200 (CEST) From: =?UTF-8?Q?Trond_Endrest=C3=B8l?= <trond.endrestol@ximalas.info> To: freebsd-current@freebsd.org Subject: In-kernel DTrace incompatible with in-kernel OpenZFS Message-ID: <20522673-395-6245-8b8c-f199f28ad7b0@ximalas.info>
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It would seem
options dtrace
options dtraceall
are incompatible with
options zfs
This is on base/head, r365358, amd64.
Fatal trap 12: page fault while in kernel mode
cpuid = 4; apic id = 04
fault virtual address = 0x7fffffff8
fault code = supervisor write data, page not present
instruction pointer = 0x20:0xfffffffff808cf8db
stack pointer = 0x20:0xfffffffff82378a00
frame pointer = 0x20:0xfffffffff82378a00
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 0 (dtrace_taskq)
trap number = 12
panic: page fault
cpuid = 4
time = 1
KDB: stack backtrace:
db_trace_self_wrapper() at
vpanic() at
panic() at
trap_fatal() at
trap_pfatal() at
trap() at
calltrap() at
--- trap 0xc, rip = 0xfffffffff808cf8db, rsp = 0xfffffffff82378a00, rbp = 0xfffffffff82378a00 ---
osd_set_reserved() at
taskqueue_thread_loop() at
fork_exit() at
fork_trampoline() at
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
Uptime: 1s
Automatic reboot in 15 seconds - press a key on the console to abort
I don't mind having dtraceall_load="YES" in /boot/loader.conf; I have
to do so anyway to get systrace_freebsd32.ko loaded at boot time.
Can this latter .ko file be made part of the kernel using an option
statement?
--
Trond.
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