From mboxrd@z Thu Jan 1 00:00:00 1970 From: "J. Bruce Fields" Subject: Re: kernel BUG at fs/dcache.c:2105 (__d_rehash(): BUG_ON(!d_unhashed(entry))) Date: Wed, 19 Sep 2012 10:07:34 -0400 Message-ID: <20120919140734.GD21472@fieldses.org> References: <20120918212317.GB21472@fieldses.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "linux-fsdevel@vger.kernel.org" , "dbavatar@gmail.com" To: "Banerjee, Debabrata" Return-path: Received: from fieldses.org ([174.143.236.118]:58473 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753508Ab2ISOHo (ORCPT ); Wed, 19 Sep 2012 10:07:44 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Tue, Sep 18, 2012 at 06:17:33PM -0400, Banerjee, Debabrata wrote: > On 9/18/12 5:23 PM, "J. Bruce Fields" wrote: > >$ git show v3.0.30:fs/dcache.c |nl|grep '2105' > >2105 * This helper attempts to cope with remotely renamed directories > > > >$ git grep -n 'BUG_ON(!d_unhashed(entry))' v3.0.30:fs/dcache.c > >v3.0.30:fs/dcache.c:2077: BUG_ON(!d_unhashed(entry)); > > It's just some instrumentation, doesn't have an affect on the outcome, > it's the same src line. In retrospect I probably should have grabbed the > stack from the vanilla dcache.c. Anyways I'll be getting more data but it > will take a few days, I can get a vanilla one if that will satisfy you. No big deal, just curious. --b.