From owner-freebsd-current@freebsd.org Thu Mar 22 05:17:42 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DAE66F698EF for ; Thu, 22 Mar 2018 05:17:41 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-it0-x236.google.com (mail-it0-x236.google.com [IPv6:2607:f8b0:4001:c0b::236]) (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 645007F614 for ; Thu, 22 Mar 2018 05:17:41 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-it0-x236.google.com with SMTP id y20-v6so9539412itc.5 for ; Wed, 21 Mar 2018 22:17:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=+dzTV3sW2fxV9InblVW2WLZHk7Dj5MBQ92G+gDUZgn8=; b=jld+ivL4GtBSW7ut7HU1g9pMr2/y6CH0qXyNAEJaUTD3T1p2hmVwcoSxWMmHaNDjw3 0vZR1l/cx1mdW6KyX8BtLbup4VvCPMKwWrZXZzKsd+EGP2rls32LKI80oKnSDHTH/sFu oV/ZyGxP1BE4UL46Pqi6QF3ZD3YZmAnPJTAePXpuorSggq4tlB/p2mgPcB1VhwteW7HQ JqxgASema3S+4nIi184FgumSAGvlSBPKs6qETTShTi7iXiRXdXXAf7EkzTe2K+Amg2ON N/QaGKfLO1Mo9TeOjR46kseySnGSm4Cqem16dc2M0tQqLGYW1PmwmE7SnZ1HSMrYHZpk nfOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=+dzTV3sW2fxV9InblVW2WLZHk7Dj5MBQ92G+gDUZgn8=; b=IUq3SNInBlwa+OgIqZLoH6Ucge3hOdbVrEH5nAASS+O1TbHemMd+IniI7NfgjWYIOa GJo6Cm78wZrectYwrdiLB1LY+nnYFrMaTJrLDNVgQRPudD8SAvruF4mDOO0J6dt4vFsE hJ72HM2Fjf+ukm9Gb/PpM196bTiuIRVm+nZRACVGAoYlFfLh7lLmJ88hQVatnj3tf5Ku kw6YWh60F/TQpMIoOj56GWWGqBJV/A12oZXjjCK/Uc0zLCwa+ofwiypxmxAQ/4F4Fylp K3T5eNcs9LGa5xYxW0vwb5xDxj3PVq6+ffEnugj1VIiHnCZMECdb+1FgSEtxovZngh9r cIkA== X-Gm-Message-State: AElRT7EnteLzubZwXKywu7/qpJmf9sfQ6CMVsl6QJ6+JESughgo7omtP WAacS8cuXRbhofgwu2tsyBSmtDr04+eU+YudJ7UsC6/g X-Google-Smtp-Source: AG47ELtnQgWdGm2vVRrQwE7REIoOHlsp0YfWyGmiX9KtzWCtmWnde89F/WbFgMNhqpstWle0q7B5oJTtNh7z9VKVZ5g= X-Received: by 2002:a24:fa83:: with SMTP id v125-v6mr7435186ith.36.1521695860542; Wed, 21 Mar 2018 22:17:40 -0700 (PDT) MIME-Version: 1.0 Sender: wlosh@bsdimp.com Received: by 10.79.203.196 with HTTP; Wed, 21 Mar 2018 22:17:39 -0700 (PDT) X-Originating-IP: [2603:300b:6:5100:1052:acc7:f9de:2b6d] In-Reply-To: <1521686539.3047757.1311778784.3E60E604@webmail.messagingengine.com> References: <20180321120710.4eb3b944@hermann> <1521686539.3047757.1311778784.3E60E604@webmail.messagingengine.com> From: Warner Losh Date: Wed, 21 Mar 2018 23:17:39 -0600 X-Google-Sender-Auth: A0FEkMzFR-EDeZHGVl19SkdwdXg Message-ID: Subject: Re: CURRENT r331284: crashing with USB To: Hyun Hwang Cc: "Hartmann, O." , FreeBSD CURRENT Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.25 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Mar 2018 05:17:42 -0000 On Wed, Mar 21, 2018 at 8:42 PM, Hyun Hwang wrote: > On Wednesday, March 21, 2018, 12:07 PM (UTC+0100), "Hartmann, O." < > ohartmann@walstatt.org> wrote: > > Hello. > > > > Incident: CURRENT r331284 can be brought down reliably with an USB > > flash drive plugged in and out without mounting or doing anything with > > it. > > > > [...] > > > > Does anyone else observe this bug? > > > > Can confirm: whenever I plug my Transcend USB microSD reader into my > builder (amd64, r331284), the kernel does attach da0 then immediately > panics and falls down to `db>` prompt. > Do you have a traceback? Warner > > I can plugin the USB and then unplug it and after two or three times > doing this, the box goes down. > > I did not even have to plug-unplug the reader three times; plug the reader > in and bam! immediate panic. > > AFAIK, r331115 did not have this issue because I was able to update my RPi > 2 with the very reader from the very builder. > I managed to salvage kernel binary dump; in case the dump is needed, > please let me know. > -- > Hyun Hwang > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >