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Mon, 26 Aug 2019 18:21:38 -0400 (EDT) Subject: Re: Kernel-Crash when working with ubt0 To: freebsd-current References: <47509401.1440476.1566796167857.ref@mail.yahoo.com> <47509401.1440476.1566796167857@mail.yahoo.com> <5aa8faeb-5e8e-38be-4301-81f3d82c494a@selasky.org> From: Yuri Pankov Message-ID: <6d8e5357-fa9c-a03b-ccf3-b0dad53fe089@yuripv.net> Date: Tue, 27 Aug 2019 01:21:32 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 46HRLY1NR3z40GB X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=none (invalid DKIM record) header.d=yuripv.net header.s=fm1 header.b=g8ddnD1h; dkim=pass header.d=messagingengine.com header.s=fm3 header.b=vBaLnmKl; dmarc=none; spf=pass (mx1.freebsd.org: domain of yuripv@yuripv.net designates 66.111.4.224 as permitted sender) smtp.mailfrom=yuripv@yuripv.net X-Spamd-Result: default: False [-6.32 / 15.00]; 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If so I have a 'patch' that I'm using but > haven't committed because it's just too gross: drop the lock before the > copyout and pick it up again after... > > Warner > > On Mon, Aug 26, 2019 at 1:23 AM Hans Petter Selasky wrote: > >> Do you have a backtrace? I think it's https://forums.freebsd.org/threads/kernel-crash-with-ubt0.72049/, not sure why OP didn't provide details here.