Otacílio otacilio.neto at bsd.com.br wrote on Tue Jun 21 00:06:39 UTC 2016 :
> The kernel panic is totally reproducible. I need only do a ssh in the
> beaglebone using ptty on windows or ssh on freebsd and the kernel
> panic is raised.
. . .
FreeBSD11-ALPHA4 shows the same behavior. The only thing that I need to
raise the fault is ssh in the beaglebone.
(After this quotes are command input/output from my test activity.)
Under 11.0 -r310975 on a rpi2 I can ssh out of the rpi2 just fine. . .
# uname -apKU
FreeBSD rpi2 11.0-ALPHA4 FreeBSD 11.0-ALPHA4 #1 r301975M: Thu Jun 16 18:12:02
PDT 2016 markmi@FreeBSDx64:/usr/obj/clang/arm.armv6/usr/src/sys/RPI2-NODBG
arm armv6 1100117 1100117
This is a no-debug kernel build (but with symbols). Details are given later
below.
# ssh markmi@192.168.0.105
Password:
Last login: Tue Jun 21 01:04:46 2016
markmi$
Similarly I can ssh into the rpi2 from outside, here using new remote
connection in Mac OS X terminal: ssh 192.168.0.119 resulted in. . .
Password for markmi@rpi2:
Last login: Mon May 9 19:27:33 2016 from 192.168.2.1
FreeBSD 11.0-ALPHA4 (RPI2-NODBG) #1 r301975M: Thu Jun 16 18:12:02 PDT 2016
Welcome to FreeBSD!
Release Notes, Errata: https://www.FreeBSD.org/releases/
Security Advisories: https://www.FreeBSD.org/security/
FreeBSD Handbook: https://www.FreeBSD.org/handbook/
FreeBSD FAQ: https://www.FreeBSD.org/faq/
Questions List: https://lists.FreeBSD.org/mailman/listinfo/freebsd-questions/
FreeBSD Forums: https://forums.FreeBSD.org/
Documents installed with the system are in the /usr/local/share/doc/freebsd/
directory, or can be installed later with: pkg install en-freebsd-doc
For other languages, replace "en" with a language code like de or fr.
Show the version of FreeBSD installed: freebsd-version ; uname -a
Please include that output and any error messages when posting questions.
Introduction to manual pages: man man
FreeBSD directory layout: man hier
Edit /etc/motd to change this login announcement.
To determine whether a file is a text file, executable, or some other type
of file, use
file filename
-- Dru <gene...@istar.ca>
$
No panics or other odd notices.
The problem is apparently not general to all armv6 contexts.
Various context details follow. . .
# more ~/src.configs/src.conf.rpi2-clang-bootstrap.rpi2-host
TO_TYPE=armv6
#
KERNCONF=RPI2-NODBG
TARGET=arm
.if ${.MAKE.LEVEL} == 0
TARGET_ARCH=${TO_TYPE}
.export TARGET_ARCH
.endif
#
#WITH_CROSS_COMPILER=
WITH_SYSTEM_COMPILER=
#
#CPUTYPE=soft
WITH_LIBSOFT=
WITH_LIBCPLUSPLUS=
WITH_BINUTILS_BOOTSTRAP=
#WITHOUT_CLANG_BOOTSTRAP=
WITH_CLANG=
WITH_CLANG_IS_CC=
WITH_CLANG_FULL=
WITH_CLANG_EXTRAS=
WITH_LLDB=
#
WITH_BOOT=
WITHOUT_LIB32=
#
WITHOUT_ELFTOOLCHAIN_BOOTSTRAP=
WITHOUT_GCC_BOOTSTRAP=
WITHOUT_GCC=
WITHOUT_GCC_IS_CC=
WITHOUT_GNUCXX=
#
NO_WERROR=
#WERROR=
MALLOC_PRODUCTION=
#
WITH_DEBUG_FILES=
#
XCFLAGS+= -march=armv7-a -mcpu=cortex-a7
XCXXFLAGS+= -march=armv7-a -mcpu=cortex-a7
# There is no XCPPFLAGS but XCPP ets XCFLAGS content.
~/src.configs/make.conf was empty.
# more /usr/src/sys/arm/conf/RPI2-NODBG
#
# RPI2 -- Custom configuration for the Raspberry Pi 2
#
# For more information on this file, please read the config(5) manual page,
# and/or the handbook section on Kernel Configuration Files:
#
#
http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
#
# The handbook is also available locally in /usr/share/doc/handbook
# if you've installed the doc distribution, otherwise always see the
# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
# device lines is also present in the ../../conf/NOTES and NOTES files.
# If you are in doubt as to the purpose or necessity of a line, check first
# in NOTES.
#
ident RPI2-NODBG
include "RPI2"
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
options ALT_BREAK_TO_DEBUGGER
#options VERBOSE_SYSINIT # Enable verbose sysinit messages
options KDB # Enable kernel debugger support
# For minimum debugger support (stable branch) use:
#options KDB_TRACE # Print a stack trace for a panic
options DDB # Enable the kernel debugger
nooptions INVARIANTS # Enable calls of extra sanity checking
nooptions INVARIANT_SUPPORT # Extra sanity checks of internal
structures, required by INVARIANTS
nooptions WITNESS # Enable checks to detect deadlocks and
cycles
nooptions WITNESS_SKIPSPIN # Don't run witness on spinlocks for
speed
nooptions DIAGNOSTIC
My /usr/src tree has some changes/additions --but mostly for powerpc64 and
powerpc issues:
# svnlite status /usr/src/
M /usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
M /usr/src/lib/csu/powerpc64/Makefile
? /usr/src/sys/amd64/include/include
? /usr/src/sys/arm/conf/RPI2-NODBG
? /usr/src/sys/arm/include/include
M /usr/src/sys/boot/ofw/Makefile.inc
M /usr/src/sys/boot/powerpc/Makefile
M /usr/src/sys/boot/powerpc/Makefile.inc
M /usr/src/sys/boot/uboot/Makefile.inc
M /usr/src/sys/conf/Makefile.powerpc
M /usr/src/sys/conf/kern.mk
M /usr/src/sys/conf/kmod.mk
M /usr/src/sys/dev/cxgb/ulp/tom/cxgb_listen.c
M /usr/src/sys/dev/cxgbe/tom/t4_listen.c
? /usr/src/sys/powerpc/conf/GENERIC64-NODBG
? /usr/src/sys/powerpc/conf/GENERIC64vtsc
? /usr/src/sys/powerpc/conf/GENERIC64vtsc-NODEBUG
? /usr/src/sys/powerpc/conf/GENERICvtsc
? /usr/src/sys/powerpc/conf/GENERICvtsc-NODEBUG
? /usr/src/sys/powerpc/include/include
M /usr/src/sys/powerpc/ofw/ofw_machdep.c
M /usr/src/sys/powerpc/powerpc/exec_machdep.c
? /usr/src/sys/x86/include/include
(The include/include ones are from something making links pointing back up to
the parent include/ . I did not explicitly create these.)
(The cxbg and cxbge ones were from trying to have amd64 target amd64 via
xtoolchain (devel/amd64-gcc). But other places also stopped it and I quit
trying that for now.)
# more /etc/rc.conf
hostname="rpi2"
ifconfig_ue0="DHCP"
sshd_enable="YES"
powerd_enable="YES"
# Nice if you have a network, else annoying.
ntpd_enable="YES"
ntpd_sync_on_start="YES"
# Uncomment to disable common services (more memory)
#cron_enable="NO"
#syslogd_enable="NO"
sendmail_enable="NONE"
sendmail_submit_enable="NO"
sendmail_outbound_enable="NO"
sendmail_msp_queue_enable="NO"
#
# Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable
dumpdev="AUTO"
#
dbus_enable="YES"
hald_enable="YES"
#
rpcbind_enable="YES"
nfs_server_enable="YES"
mountd_flags="-r"
#
nfs_client_enable="YES"
# more /etc/sysctl.conf
# $FreeBSD: head/etc/sysctl.conf 112200 2003-03-13 18:43:50Z mux $
#
# This file is read when going to multi-user and its contents piped thru
# ``sysctl'' to adjust kernel values. ``man 5 sysctl.conf'' for details.
#
# Uncomment this to prevent users from seeing information about processes that
# are being run under another UID.
#security.bsd.see_other_uids=0
kern.nodump_coredump=1
kern.capmode_coredump=1
kern.sugid_coredump=1
kern.corefile=/var/crash/%N.%P.core
/etc/fstab , /etc/exports , /etc/resolv.conf are very simple but non-default.
Other than password files and the like the rest of /etc/. . . is just defaults.
# more /boot/loader.conf
kern.cam.boot_delay="10000"
===
Mark Millard
markmi at dsl-only.net
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