From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.osdl.org (smtp.osdl.org [65.172.181.4]) (using TLSv1 with cipher EDH-RSA-DES-CBC3-SHA (168/168 bits)) (Client CN "smtp.osdl.org", Issuer "OSDL Hostmaster" (not verified)) by ozlabs.org (Postfix) with ESMTP id 816EA67B56 for ; Wed, 11 Oct 2006 05:34:56 +1000 (EST) Date: Tue, 10 Oct 2006 12:34:49 -0700 From: Andrew Morton To: Olof Johansson Subject: Re: BUG() in copy_fdtable() with 64K pages (2.6.19-rc1-mm1) Message-Id: <20061010123449.7be924f0.akpm@osdl.org> In-Reply-To: <20061010121519.447d62f8@localhost.localdomain> References: <20061010000928.9d2d519a.akpm@osdl.org> <20061010121519.447d62f8@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org, Vadim Lobanov List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 10 Oct 2006 12:15:19 -0500 Olof Johansson wrote: > I keep hitting this on -rc1-mm1. The system comes up but I can't login > since login hits it. > > Bisect says that fdtable-implement-new-pagesize-based-fdtable-allocator.patch is at fault. > > CONFIG_PPC_64K_PAGES=y is required for it to fail, with 4K pages it's fine. > > (Hardware is a Quad G5, 1GB RAM, g5_defconfig + CONFIG_PPC_64K_PAGES, defaults > on all new options) > > > > kernel BUG in copy_fdtable at fs/file.c:138! OK, thanks. I put the revert patch into ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.19-rc1/2.6.19-rc1-mm1/hot-fixes/