Date: Tue, 21 Jun 2016 06:33:58 -0400 (EDT) From: Keith White <kwhite@site.uottawa.ca> To: Mark Millard <markmi@dsl-only.net> Cc: otacilio.neto@bsd.com.br, freebsd-arm <freebsd-arm@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: (beagleboneblack/urtwn) Kernel page fault with the following non-sleepable locks held [ssh on rpi2 comparison] Message-ID: <alpine.BSF.2.20.1606210626320.52002@localhost.my.domain> In-Reply-To: <99277FB6-77EB-4D8B-8A55-FBD622D29AC3@dsl-only.net> References: <99277FB6-77EB-4D8B-8A55-FBD622D29AC3@dsl-only.net>
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On Tue, 21 Jun 2016, Mark Millard wrote: > 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 <genesis@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 > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" I'm using an RPI-B rather than RPI2, but my symptoms are similar. Did you use the wired or wireless interface on the RPI2? I only get the panic on the RPI-B when using wireless. Wired works fine. In an earlier message Ian said that he thought he knew what the problem was... ...keith From owner-freebsd-current@freebsd.org Tue Jun 21 11:11:31 2016 Return-Path: <owner-freebsd-current@freebsd.org> Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9388CAC4760 for <freebsd-current@mailman.ysv.freebsd.org>; Tue, 21 Jun 2016 11:11:31 +0000 (UTC) (envelope-from otacilio.neto@bsd.com.br) Received: from mail-qk0-x235.google.com (mail-qk0-x235.google.com [IPv6:2607:f8b0:400d:c09::235]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 53B9F1A39 for <freebsd-current@freebsd.org>; Tue, 21 Jun 2016 11:11:31 +0000 (UTC) (envelope-from otacilio.neto@bsd.com.br) Received: by mail-qk0-x235.google.com with SMTP id p10so15259803qke.3 for <freebsd-current@freebsd.org>; Tue, 21 Jun 2016 04:11:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsd.com.br; s=capeta; h=subject:to:references:cc:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=7+yyYS0H/RCGAjBzJ/j/Cwrd6JwfVwpcLdMnm+8zR/I=; b=EXi5mPXVEplIo6Yz28vEYT1sh6mDhtDN73ZT8IQKKnans/HLAlERzin/2j2Qea+POg AgBzO+8YuN5IwzhkO1c+B8VLwLDo/iM04JVhWt1XmPyKwwW20tyGCS930b+/RJBPhc16 wfX52s/b6LKssSGVaDsuhmFp9Udq9/UlZPAXA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:cc:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=7+yyYS0H/RCGAjBzJ/j/Cwrd6JwfVwpcLdMnm+8zR/I=; b=knuaFEhg0YmqIP0qkjt31Z6PPXBvpRnbIA+Wme39rzCOAmP8ooKrWsrMP2+u8Ig9CU njp+cFldDuInmZM0bbSE4f2B0qdilFXqfvHA7u8YBAMgNMA2Lj4gOF2ZEhfmSh8AEarB tgZLofdIyx3PgUdHxXWs8kaztJEt6w3Hp/x012qGXEqbD5XqvM5rObKgLEaE23wV7VxF TFiWTMdkafEKNkIB5qThdnMDlDaTVZwFNVZC+vJTYjBM2JfbWscOgrL+YamqtzCxAEhz BeAExTMVmjgiubg/wXcF4+oBhfpWQ4p+Xz5VYsNhkxZRLsKq67xEax6R52NejhLO9qN8 DhgA== X-Gm-Message-State: ALyK8tLsxNLuk5zZwiZorljpHWsFnskZTonn3rPXWkgvtCHiIkyGOsl+iW9TPCgB+BMgag== X-Received: by 10.200.37.150 with SMTP id e22mr28331867qte.37.1466507490246; Tue, 21 Jun 2016 04:11:30 -0700 (PDT) Received: from [192.168.0.18] ([187.60.94.34]) by smtp.googlemail.com with ESMTPSA id j62sm9981934qtb.35.2016.06.21.04.11.28 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 21 Jun 2016 04:11:29 -0700 (PDT) Subject: Re: (beagleboneblack/urtwn) Kernel page fault with the following non-sleepable locks held [ssh on rpi2 comparison] To: Keith White <kwhite@site.uottawa.ca>, Mark Millard <markmi@dsl-only.net> References: <99277FB6-77EB-4D8B-8A55-FBD622D29AC3@dsl-only.net> <alpine.BSF.2.20.1606210626320.52002@localhost.my.domain> Cc: freebsd-arm <freebsd-arm@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org> From: =?UTF-8?B?T3RhY8OtbGlv?= <otacilio.neto@bsd.com.br> Message-ID: <22fe5f7f-6153-e092-c410-eddb1431a78a@bsd.com.br> Date: Tue, 21 Jun 2016 08:11:07 -0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <alpine.BSF.2.20.1606210626320.52002@localhost.my.domain> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Discussions about the use of FreeBSD-current <freebsd-current.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current/>; List-Post: <mailto:freebsd-current@freebsd.org> List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=subscribe> X-List-Received-Date: Tue, 21 Jun 2016 11:11:31 -0000 Em 21/06/2016 07:33, Keith White escreveu: > In an earlier message Ian said that he thought he knew what the > problem was... Here the problem occurs when using wifi. I do not have tested wired because I don't have a cable here. []'s -Otacilio
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