Date: Tue, 12 Oct 2010 17:40:21 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-fs@freebsd.org Subject: Re: Locked up processes after upgrade to ZFS v15 Message-ID: <4CB47355.1050109@icyb.net.ua> In-Reply-To: <20101012143559.GA34396@icarus.home.lan> References: <CF901B53-657E-49FC-A43B-27BC7D49F7A7@free.de> <4CB17983.3020907@icyb.net.ua> <20101011151508.GA10917@icarus.home.lan> <4CB32C75.2060000@icyb.net.ua> <20101011183707.GA13925@icarus.home.lan> <4CB3870F.7070107@icyb.net.ua> <20101012100709.GA29861@icarus.home.lan> <4CB4429C.9040109@icyb.net.ua> <20101012130245.GA32584@icarus.home.lan> <4CB46CE9.20905@icyb.net.ua> <20101012143559.GA34396@icarus.home.lan>
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on 12/10/2010 17:35 Jeremy Chadwick said the following: > Nope, but since it's a single-CPU system I can probably enable it > safely (I thought I remember something about CTF not working right on > SMP systems...). Give me a little while to figure out how to get it Never heard about such issue and never hit them on my two-core systems. > working, assuming you're willing to step me through what I need to do to > simulate the lock condition. :-) Enabling DTrace is really easy: http://wiki.freebsd.org/DTrace I would appreciate if you could enable it on your test system. -- Andriy Gapon
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