From owner-freebsd-current@freebsd.org Fri Aug 30 03:23:35 2019 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id C85D4E7DF5 for ; Fri, 30 Aug 2019 03:23:35 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-qt1-x832.google.com (mail-qt1-x832.google.com [IPv6:2607:f8b0:4864:20::832]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46KPvV4CMFz4Zf6 for ; Fri, 30 Aug 2019 03:23:34 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-qt1-x832.google.com with SMTP id t12so6145396qtp.9 for ; Thu, 29 Aug 2019 20:23:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=+3dY3YV56t76h4TAbJHuSIWeuvhW7IKDeFYX3G4NfPw=; b=GKnsIsiqgxLYlw01YKZdfliehqpBpFa4wja9F1Y2EhzRf/l18aDoOiDh2oG6zW0sfY tG9PWv7iB77XNaGUR/YReF/1JHHKeTWUCQYPX6YbPSd48LHxSPD+ZriSD9olS/Nyfl0U 5h7hFaScE33H9Wsg7ipzlHxVwdKF4W5HDQo3r5EAAJJCPqtbZlB7FMlem7+LWB1sbGQM beRMT2plzHInMIh+0M7wiPCQQgrvc6avRwtBtfoJh5JE2NAshQ6cMKvfdK/1+Cp3ahkl xoPJbTR3dmHP/GbjHGh0UeP2ykSehXsPiMCmte+Am7A52r37YK48PBWMo5fjAPirIroE 5hPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+3dY3YV56t76h4TAbJHuSIWeuvhW7IKDeFYX3G4NfPw=; b=tmsMQUNdOFR/k7PdTOWn4rCAOfNwipfsol7NBVXxbPh8N0tId9sQfYWy3nNof+iQOu JFOy8XPtLDU3R5ltO3zdlxfrfK4PNIJ4hz/z4PVvRzsTX0PshFIwXy6qKkfjN5kbnvOb QKTaRnhFM14YvcI4sS/F6iJnvSNVahxAp5fT9I+hmUAdG04MorZK8bOOLkd6hd952EO7 /UP+wmszc2jR0uQDxBySvyW7+BELq42xovZjhT7OCwNBiYBBrkc0/4qI+sB8hbLskslh 7YrfREdTF8wCZ6ozDZJy3ALH0ffwn0QZNtprOJgQ+tU08KrNKxXXBWzsABgUnHAk0c7I 14mg== X-Gm-Message-State: APjAAAUvVWFG9LOXJX128gUOC8+LVUURBjhX9y10KWWQoCT78iJOtDjS ECf9HNxNQDPpqsAmxGBjL3q//HBFkZVWKhLS2LTQug== X-Google-Smtp-Source: APXvYqz77WxoEqnfYbmwjtb8qiMh+1ppEHpsr9jtKDodWRf3IrJCd7/9dHZp00p27/nE6rYOyQRHPi5TTD/22rd1qpY= X-Received: by 2002:ac8:760e:: with SMTP id t14mr8513876qtq.175.1567135413373; Thu, 29 Aug 2019 20:23:33 -0700 (PDT) MIME-Version: 1.0 References: <1115053193.64543.1567031661382.ref@mail.yahoo.com> <1115053193.64543.1567031661382@mail.yahoo.com> In-Reply-To: From: Warner Losh Date: Thu, 29 Aug 2019 21:23:22 -0600 Message-ID: Subject: Re: Kernel-Crash when working with ubt0 To: Maksim Yevmenkin Cc: Miranda Maria Sophie Van den Breukelingen , Konstantin Belousov , Hans Petter Selasky , "freebsd-current@freebsd.org" X-Rspamd-Queue-Id: 46KPvV4CMFz4Zf6 X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=bsdimp-com.20150623.gappssmtp.com header.s=20150623 header.b=GKnsIsiq; dmarc=none; spf=none (mx1.freebsd.org: domain of wlosh@bsdimp.com has no SPF policy when checking 2607:f8b0:4864:20::832) smtp.mailfrom=wlosh@bsdimp.com X-Spamd-Result: default: False [-5.92 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; TO_DN_SOME(0.00)[]; RCPT_COUNT_FIVE(0.00)[5]; DKIM_TRACE(0.00)[bsdimp-com.20150623.gappssmtp.com:+]; NEURAL_HAM_SHORT(-1.00)[-0.996,0]; FORGED_SENDER(0.30)[imp@bsdimp.com,wlosh@bsdimp.com]; FREEMAIL_TO(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+,1:+,2:~]; IP_SCORE(-2.92)[ip: (-9.41), ipnet: 2607:f8b0::/32(-2.84), asn: 15169(-2.32), country: US(-0.05)]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[imp@bsdimp.com,wlosh@bsdimp.com]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[bsdimp-com.20150623.gappssmtp.com:s=20150623]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TAGGED_RCPT(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; DMARC_NA(0.00)[bsdimp.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2.3.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; R_SPF_NA(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; FREEMAIL_CC(0.00)[gmail.com] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 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: Fri, 30 Aug 2019 03:23:35 -0000 On Thu, Aug 29, 2019 at 2:56 PM Maksim Yevmenkin wrote: > On Wed, Aug 28, 2019 at 6:48 PM Warner Losh wrote: > > patch -p1 worked for me to apply it. > > > > And it worked just fine for everything once I rebooted. The patch looked > fine to my eye. > > thanks Warner > > please find attached (more complete) patch that should address issue > of holding lock over copyin/out (or so i claim). > Seems to be working fine now... Warner