Date: Thu, 13 Dec 2012 12:25:48 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: Dimitry Andric <dim@FreeBSD.org> Cc: Volodymyr Kostyrko <c.kworr@gmail.com>, freebsd-current@FreeBSD.org, fs@FreeBSD.org Subject: Re: clang compiled kernel panic when mounting zfs root on i386 Message-ID: <50C9AD2C.7000301@FreeBSD.org> In-Reply-To: <50C8DC8E.1080204@FreeBSD.org> References: <50b37d46.8584440a.735c.ffffb4e6@mx.google.com> <20121126171658.GD3013@kib.kiev.ua> <20121127071243.D1255@besplex.bde.org> <20121129232944.GQ3013@kib.kiev.ua> <50b8a9c5.e64dec0a.1d88.133a@mx.google.com> <20121130164715.GW3013@kib.kiev.ua> <50b9cf0c.0fd9650a.5bbf.ffffb9b3@mx.google.com> <20121203224132.GJ3013@kib.kiev.ua> <50C880D7.1040907@gmail.com> <50C8DC8E.1080204@FreeBSD.org>
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on 12/12/2012 21:35 Dimitry Andric said the following: > Especially the recursive spa_load and traverse_visitbp calls are scary, > because that can grow out of hand very quickly. It is probably tricky > to remove the recursion... Re-entering spa_load once is normal and is expected. traverse_visitbp is also expected to recurse depending on data layout. So yeah, it's probably even trickier than teaching clang to allocate smaller stack frames ;-) -- Andriy Gapon
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