Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964825AbWJJRTk (ORCPT ); Tue, 10 Oct 2006 13:19:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964866AbWJJRTf (ORCPT ); Tue, 10 Oct 2006 13:19:35 -0400 Received: from lixom.net ([66.141.50.11]:24552 "EHLO mail.lixom.net") by vger.kernel.org with ESMTP id S964830AbWJJRQB (ORCPT ); Tue, 10 Oct 2006 13:16:01 -0400 Date: Tue, 10 Oct 2006 12:15:19 -0500 From: Olof Johansson To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Vadim Lobanov , linuxppc-dev@ozlabs.org Subject: BUG() in copy_fdtable() with 64K pages (2.6.19-rc1-mm1) Message-ID: <20061010121519.447d62f8@localhost.localdomain> In-Reply-To: <20061010000928.9d2d519a.akpm@osdl.org> References: <20061010000928.9d2d519a.akpm@osdl.org> X-Mailer: Sylpheed-Claws 2.5.0-rc3 (GTK+ 2.10.4; powerpc-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2176 Lines: 46 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! Oops: Exception in kernel mode, sig: 5 [#1] SMP NR_CPUS=4 Modules linked in: snd_pcm_oss snd_mixer_oss joydev snd_pcm snd_page_alloc snd_timer snd soundcore NIP: C0000000000B926C LR: C0000000000B9210 CTR: C0000000000ADA34 REGS: c00000000f80ba60 TRAP: 0700 Not tainted (2.6.19-rc1-mm1) MSR: 9000000000029032 CR: 22002428 XER: 200FFFFF TASK = c00000000fe38ba0[2022] 'dhclient-script' THREAD: c00000000f808000 CPU: 2 GPR00: 0000000000000001 C00000000F80BCE0 C0000000006CDCC8 C00000003F8CF880 GPR04: 00000000000000D0 0000000042002428 0000000000004000 000000000FEC1950 GPR08: C000000000585480 0000000000000000 C00000003FFD0480 C000000001E04200 GPR12: 100000000000F032 C000000000585480 0000000010000000 0000000010010000 GPR16: 0000000010002790 000000001001819D 00000000FCCDF818 0000000000000000 GPR20: 0000000000000000 00000000FCCDF828 0000000010018790 0000000010018760 GPR24: 00000000F7FDE6F0 C00000003F8CF800 0000000000000000 C00000003F8CF810 GPR28: 0000000000000040 0000000000000000 C0000000005B4B00 C00000000FB511C0 NIP [C0000000000B926C] .expand_files+0x1d4/0x34c LR [C0000000000B9210] .expand_files+0x178/0x34c Call Trace: [C00000000F80BCE0] [C0000000000B91D0] .expand_files+0x138/0x34c (unreliable) [C00000000F80BD90] [C0000000000ADAD8] .sys_dup2+0xa4/0x1ec [C00000000F80BE30] [C00000000000871C] syscall_exit+0x0/0x40 Instruction dump: 60000000 4800000c 4bfd3609 60000000 7fe3fb78 4bfdf125 60000000 48000150 835f0000 7f9ae040 7c101026 5400effe <0b000000> 2fbc0000 419e00a4 7b9d1828 -Olof - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/