Date: Wed, 28 Oct 2015 11:53:26 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Don Lewis <truckman@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: 11.0-CURRENT r290039 privileged instruction fault while in kernel mode Message-ID: <20151028095326.GD2257@kib.kiev.ua> In-Reply-To: <201510272309.t9RN9SPc018751@gw.catspoiler.org> References: <201510272309.t9RN9SPc018751@gw.catspoiler.org>
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On Tue, Oct 27, 2015 at 04:09:28PM -0700, Don Lewis wrote: > I just got this crash while running poudriere on a freshly upgraded > 11.0-CURRENT machine. The instruction pointer value looks pretty > strange. > > > FreeBSD zipper.catspoiler.org 11.0-CURRENT FreeBSD 11.0-CURRENT #30 r290039: Tue Oct 27 00:08:00 PDT 2015 dl@zipper.catspoiler.org:/usr/obj/usr/src/sys/GENERIC amd64 > > panic: > > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "amd64-marcel-freebsd"... > > Unread portion of the kernel message buffer: > > > Fatal trap 1: privileged instruction fault while in kernel mode > cpuid = 4; apic id = 14 > instruction pointer = 0x20:0xffffffff8240fef5 What is the instruction at the reported address ? > stack pointer = 0x28:0xfffffe0859c636c0 > frame pointer = 0x28:0xfffffe0859c636e0 > 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 (zio_free_issue_2_9) > > Reading symbols from /boot/kernel/zfs.ko...Reading symbols from /usr/lib/debug//boot/kernel/zfs.ko.debug...done. > done. > Loaded symbols for /boot/kernel/zfs.ko > Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols from /usr/lib/debug//boot/kernel/opensolaris.ko.debug...done. > done. > Loaded symbols for /boot/kernel/opensolaris.ko > Reading symbols from /boot/kernel/geom_mirror.ko...Reading symbols from /usr/lib/debug//boot/kernel/geom_mirror.ko.debug...done. > done. > Loaded symbols for /boot/kernel/geom_mirror.ko > Reading symbols from /boot/modules/vboxdrv.ko...done. > Loaded symbols for /boot/modules/vboxdrv.ko > Reading symbols from /boot/modules/vboxnetflt.ko...done. > Loaded symbols for /boot/modules/vboxnetflt.ko > Reading symbols from /boot/kernel/netgraph.ko...Reading symbols from /usr/lib/debug//boot/kernel/netgraph.ko.debug...done. > done. > Loaded symbols for /boot/kernel/netgraph.ko > Reading symbols from /boot/kernel/ng_ether.ko...Reading symbols from /usr/lib/debug//boot/kernel/ng_ether.ko.debug...done. > done. > Loaded symbols for /boot/kernel/ng_ether.ko > Reading symbols from /boot/modules/vboxnetadp.ko...done. > Loaded symbols for /boot/modules/vboxnetadp.ko > Reading symbols from /boot/kernel/nullfs.ko...Reading symbols from /usr/lib/debug//boot/kernel/nullfs.ko.debug...done. > done. > Loaded symbols for /boot/kernel/nullfs.ko > Reading symbols from /boot/kernel/linux.ko...Reading symbols from /usr/lib/debug//boot/kernel/linux.ko.debug...done. > done. > Loaded symbols for /boot/kernel/linux.ko > Reading symbols from /boot/kernel/linux_common.ko...Reading symbols from /usr/lib/debug//boot/kernel/linux_common.ko.debug...done. > done. > Loaded symbols for /boot/kernel/linux_common.ko > Reading symbols from /boot/kernel/linprocfs.ko...Reading symbols from /usr/lib/debug//boot/kernel/linprocfs.ko.debug...done. > done. > Loaded symbols for /boot/kernel/linprocfs.ko > Reading symbols from /boot/kernel/tmpfs.ko...Reading symbols from /usr/lib/debug//boot/kernel/tmpfs.ko.debug...done. > done. > Loaded symbols for /boot/kernel/tmpfs.ko > Reading symbols from /boot/kernel/fdescfs.ko...Reading symbols from /usr/lib/debug//boot/kernel/fdescfs.ko.debug...done. > done. > Loaded symbols for /boot/kernel/fdescfs.ko > #0 doadump (textdump=0) at pcpu.h:221 > 221 pcpu.h: No such file or directory. > in pcpu.h > (kgdb) #0 doadump (textdump=0) at pcpu.h:221 > #1 0xffffffff8037c6b6 in db_fncall (dummy1=<value optimized out>, > dummy2=<value optimized out>, dummy3=<value optimized out>, > dummy4=<value optimized out>) at /usr/src/sys/ddb/db_command.c:568 > #2 0xffffffff8037c14e in db_command (cmd_table=0x0) > at /usr/src/sys/ddb/db_command.c:440 > #3 0xffffffff8037bee4 in db_command_loop () > at /usr/src/sys/ddb/db_command.c:493 > #4 0xffffffff8037e97b in db_trap (type=<value optimized out>, code=0) > at /usr/src/sys/ddb/db_main.c:251 > #5 0xffffffff80a5fc73 in kdb_trap (type=1, code=0, tf=<value optimized out>) > at /usr/src/sys/kern/subr_kdb.c:654 > #6 0xffffffff80e69c81 in trap_fatal (frame=0xfffffe0859c63610, > eva=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:829 > #7 0xffffffff80e69951 in trap (frame=<value optimized out>) > at /usr/src/sys/amd64/amd64/trap.c:203 > #8 0xffffffff80e498d7 in calltrap () > at /usr/src/sys/amd64/amd64/exception.S:234 > #9 0xffffffff8240fef5 in cpu_lock () from /boot/kernel/opensolaris.ko > #10 0xfffff804aaeb8000 in ?? () > #11 0x0000000000000001 in ?? () > #12 0xfffffe0859c63760 in ?? () > #13 0xffffffff82125325 in vdev_mirror_io_start (zio=0xfffff8047a6d9000) > at /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_mirror.c:475
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