Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764220AbYBPDja (ORCPT ); Fri, 15 Feb 2008 22:39:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763859AbYBPDi7 (ORCPT ); Fri, 15 Feb 2008 22:38:59 -0500 Received: from smtp2.linux-foundation.org ([207.189.120.14]:59262 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757807AbYBPDix (ORCPT ); Fri, 15 Feb 2008 22:38:53 -0500 Date: Fri, 15 Feb 2008 19:37:56 -0800 From: Andrew Morton To: Oleg Nesterov Cc: roland@redhat.com, linux-kernel@vger.kernel.org, Pavel Emelyanov Subject: Re: [PATCH] do_signal_stop: use signal_group_exit() Message-Id: <20080215193756.9e5b8205.akpm@linux-foundation.org> In-Reply-To: <20080215180204.GA4359@tv-sign.ru> References: <20080215180204.GA4359@tv-sign.ru> X-Mailer: Sylpheed 2.4.1 (GTK+ 2.8.17; x86_64-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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4423 Lines: 82 ug. On about the fourth boot with the current -mm lineup I hit: : security: permission sendto in class node not defined in policy : security: permission dccp_recv in class netif not defined in policy : security: permission dccp_send in class netif not defined in policy : security: permission ingress in class netif not defined in policy : security: permission egress in class netif not defined in policy : security: permission setfcap in class capability not defined in policy : security: permission forward_in in class packet not defined in policy : security: permission forward_out in class packet not defined in policy : SELinux: policy loaded with handle_unknown=deny : type=1403 audit(1203124656.152:3): policy loaded auid=4294967295 ses=4294967295 : BUG: unable to handle kernel paging request at 0000000000200200 : IP: [] free_pid+0x35/0x8e : PGD 2574cb067 PUD 257561067 PMD 0 : Oops: 0002 [1] SMP : last sysfs file: /sys/class/net/eth0/address : CPU 2 : Modules linked in: ipv6 dm_mirror dm_multipath dm_mod sbs sbshc dock battery ac parport_pc lp parport snd_hda_intel snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq shpchp snd_seq_device sg snd_pcm_oss snd_mixer_oss snd_pcm floppy snd_timer button i2c_i801 snd soundcore ide_cd_mod cdrom serio_raw i2c_core snd_page_alloc pcspkr ehci_hcd ohci_hcd uhci_hcd : Pid: 3132, comm: ifup-eth Not tainted 2.6.25-rc2-mm1 #5 : RIP: 0010:[] [] free_pid+0x35/0x8e : RSP: 0018:ffff81025754de58 EFLAGS: 00010046 : RAX: 0000000000000000 RBX: ffff81025f268840 RCX: ffff81025f263f08 : RDX: 0000000000200200 RSI: 0000000000000046 RDI: 0000000000000000 : RBP: ffff81025f263ec0 R08: ffff81025f268b18 R09: ffff81025f268b08 : R10: ffff81025f268b08 R11: 0000000000000000 R12: ffff810259853140 : R13: 0000000000000c78 R14: 0000000000000000 R15: 0000000000000000 : FS: 00007f8f9ba7d6f0(0000) GS:ffff81025f16f0c0(0000) knlGS:0000000000000000 : CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b : CR2: 0000000000200200 CR3: 00000002598d0000 CR4: 00000000000006e0 : DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 : DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 : Process ifup-eth (pid: 3132, threadinfo ffff81025754c000, task ffff81025d467620) : Stack: ffff81025f268b08 ffff81025f268840 ffff81025994b660 ffffffff80237727 : ffff81025994b660 ffff81025994b660 0000000000000000 ffffffff80237f81 : 00000000000005d0 ffff810257561018 0000000000000000 00007fffa3aa9514 : Call Trace: : [] ? release_task+0x152/0x2e5 : [] ? do_wait+0x6c7/0xa1c : [] ? default_wake_function+0x0/0xe : [] ? sys_rt_sigaction+0x7a/0x98 : [] ? sys_wait4+0x8a/0xa1 : [] ? system_call_after_swapgs+0x7b/0x80 : : : Code: 80 53 41 51 e8 83 d4 28 00 31 ff 48 89 c6 eb 2e 48 63 c7 48 c1 e0 05 48 8d 44 28 40 48 8d 48 08 48 8b 40 08 48 8b 51 08 48 85 c0 <48> 89 02 74 04 48 89 50 08 48 c7 41 08 00 02 20 00 ff c7 3b 7d : RIP [] free_pid+0x35/0x8e : RSP : CR2: 0000000000200200 : ---[ end trace efde415d3f801416 ]--- : BUG: sleeping function called from invalid context at kernel/rwsem.c:21 : in_atomic():0, irqs_disabled():1 : Pid: 3132, comm: ifup-eth Tainted: G D 2.6.25-rc2-mm1 #5 : : Call Trace: : [] down_read+0x15/0x23 : [] acct_collect+0x40/0x180 : [] do_exit+0x1f3/0x6ba : [] sync_regs+0x0/0x67 : [] do_page_fault+0x755/0x80e : [] error_exit+0x0/0x51 : [] free_pid+0x35/0x8e : [] free_pid+0x13/0x8e : [] release_task+0x152/0x2e5 : [] do_wait+0x6c7/0xa1c : [] default_wake_function+0x0/0xe : [] sys_rt_sigaction+0x7a/0x98 : [] sys_wait4+0x8a/0xa1 : [] system_call_after_swapgs+0x7b/0x80 : : eth0: no IPv6 routers present : and I don't have a clue which patch caused it and I won't be near this machine again for over a week. -- 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/