From owner-freebsd-arm@FreeBSD.ORG Fri Nov 1 18:55:55 2013 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id C4D5BA82; Fri, 1 Nov 2013 18:55:55 +0000 (UTC) (envelope-from jiashiun@gmail.com) Received: from mail-wg0-x22f.google.com (mail-wg0-x22f.google.com [IPv6:2a00:1450:400c:c00::22f]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 2AC0D2109; Fri, 1 Nov 2013 18:55:55 +0000 (UTC) Received: by mail-wg0-f47.google.com with SMTP id c11so4345425wgh.26 for ; Fri, 01 Nov 2013 11:55:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=mGjJ3W8SzX1xqaLz6DLsuyajJQxQXHu216H815qACME=; b=vxOAWAcZFusRn6L4TtdGYFAFbxJhWG//33CI3/IJW0vuuONMv8x+wEsdL0EziwPbgw N3SGOxdFzeoBbNGDrIsE8blwZj1magyL+rDAbTOipsyBpoy01Y5YIIoldB3S2X5D75NV MJc7XSc/KafJAZwymVyUtjPQEjP0wFgwvWPs1GhsTk1zi7byUKkR1UT7PdWSfF5YL95J YicCbFJDJOxAp8mU+uWt5uovHeMhRtGmdo/9hh+BTlSYn8b9e8fSqhIWOmmX9+5A9pdm jAoDJ0aPnks1/PREpHuHNyb8Fac5XQ2HmQk1ScirmpwwMYshp3ZoUc7x5Uc3SiYr3BPZ jRcg== X-Received: by 10.180.24.197 with SMTP id w5mr3501131wif.8.1383332153529; Fri, 01 Nov 2013 11:55:53 -0700 (PDT) MIME-Version: 1.0 Received: by 10.227.206.132 with HTTP; Fri, 1 Nov 2013 11:55:23 -0700 (PDT) In-Reply-To: References: <1383313834.31172.65.camel@revolution.hippie.lan> <1383328423.31172.92.camel@revolution.hippie.lan> From: Jia-Shiun Li Date: Sat, 2 Nov 2013 02:55:23 +0800 Message-ID: Subject: Re: sshd crash To: Ian Lepore Content-Type: multipart/mixed; boundary=f46d044286e29e372d04ea221d09 Cc: "freebsd-arm@freebsd.org" , Howard Su X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Nov 2013 18:55:55 -0000 --f46d044286e29e372d04ea221d09 Content-Type: text/plain; charset=UTF-8 and attached logs putty connecting to rpi successfully. putty profiles were copied for both bbb & rpi. So there should be no obvious setting differences. -Jia-Shiun. On Sat, Nov 2, 2013 at 2:40 AM, Jia-Shiun Li wrote: > On Sat, Nov 2, 2013 at 1:53 AM, Ian Lepore wrote: >> On Sat, 2013-11-02 at 01:44 +0800, Jia-Shiun Li wrote: >>> may I add: putty causes this to happen. mine 0.62. But ssh from another >>> FreeBSD host has no problem. >>> >>> I suspect it to be some issues related to memory or malloc issues >>> specific to bbb. 'tmux a -d' without existing detached sessions >>> causes tmux client to core dump. But sshd and it are both fine on rpi. >>> >>> -Jia-Shiun. >> >> This is the first I've heard of being able to ssh to an arm platform >> that doesn't have PrivSep disabled, since about July or so. I've never >> heard a report yet that anything on the client side could make a >> difference. >> >> It's definitely not a beaglebone thing, it happens on every arm board >> I've got... dreamplug, rpi, bbw, imx53, wandboard. > > > Ok let me make sure I did not mix things up. ;) > > IIRC I once saw similar issue on rpi shortly. But after another > weekly update it was gone. I did not pay too much attention on rpi, > and thought it was bbb specific. > > I did not change sshd_config, UsePrivilegeSeparation supposed > remaining on as default is. > > sshd logs attached initiating ssh to bbb from: > - PuTTY on Windows w/ key auth, > - PuTTY on Windows w/ password auth, and > - (open)ssh on rpi > > Both rpi & bbb are now running r257094: > --- 8< --- > jsli@beaglebone:~ % uname -a > FreeBSD beaglebone 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r257094: Sat > Oct 26 03:06:24 CST 2013 > jsli@4cbsd:/root/crochet-freebsd/work/obj/arm.armv6/usr/src/sys/BEAGLEBONE > arm > jsli@beaglebone:~ % > > jsli@raspberry-pi:~ % uname -a > FreeBSD raspberry-pi 11.0-CURRENT FreeBSD 11.0-CURRENT #2 r257094: Sat > Oct 26 00:16:37 CST 2013 > jsli@4cbsd:/rpi/obj/arm.armv6/usr/src/sys/RPI-B arm > jsli@raspberry-pi:~ % > --- 8< --- > > -Jia-Shiun. --f46d044286e29e372d04ea221d09 Content-Type: text/plain; charset=US-ASCII; name="sshd-rpi-from-putty0.62.log.txt" Content-Disposition: attachment; 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