Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422703AbXBOXY4 (ORCPT ); Thu, 15 Feb 2007 18:24:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422704AbXBOXY4 (ORCPT ); Thu, 15 Feb 2007 18:24:56 -0500 Received: from ug-out-1314.google.com ([66.249.92.173]:12806 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422703AbXBOXYy (ORCPT ); Thu, 15 Feb 2007 18:24:54 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:user-agent:mime-version:to:cc:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding:from; b=YKyf76Rb/SsvE1EBqERE8O00Jkn2qsw5eipJZWJ+7uHK9IdmR7Sjmj83HIQnUrS9LXhCi4gCtIN1rU22p5GV7osU/dfW4KHWoRX/YhjnBtm4iGSw8iGjGYw6/ms3DD5UaSlT1z/C+vh/NqYC3hn4zARkpJJUaSRzr/8xA+ryncA= Message-ID: <45D4EBB3.2060800@googlemail.com> Date: Fri, 16 Feb 2007 00:24:35 +0100 User-Agent: Thunderbird 1.5.0.9 (X11/20070130) MIME-Version: 1.0 To: Andrew Morton CC: Michal Piotrowski , linux-kernel@vger.kernel.org, "Eric W. Biederman" Subject: Re: 2.6.20-mm1 References: <20070215051408.a7fb7d81.akpm@linux-foundation.org> <45D47020.1010309@googlemail.com> <20070215140232.0aba86a7.akpm@linux-foundation.org> In-Reply-To: <20070215140232.0aba86a7.akpm@linux-foundation.org> X-Enigmail-Version: 0.94.1.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Michal Piotrowski Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 10347 Lines: 226 Andrew Morton napisał(a): > On Thu, 15 Feb 2007 15:37:20 +0100 > Michal Piotrowski wrote: > >> Andrew Morton napisa__(a): >>> Temporarily at >>> >>> http://userweb.kernel.org/~akpm/2.6.20-mm1/ >>> >>> Will appear later at >>> >>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20/2.6.20-mm1/ >>> >>> >> BUG: sleeping function called from invalid context at /mnt/md0/devel/linux-mm/mm/slab.c:3043 >> in_atomic():1, irqs_disabled():0 >> 1 lock held by artsd/3819: >> #0: (&new->lock){--..}, at: [] ipc_lock+0x35/0x4f >> [] show_trace_log_lvl+0x1a/0x2f >> [] show_trace+0x12/0x14 >> [] dump_stack+0x16/0x18 >> [] __might_sleep+0xc9/0xcf >> [] kmem_cache_zalloc+0x28/0xe5 >> [] do_shmat+0x111/0x372 >> [] sys_ipc+0x148/0x1b5 >> [] syscall_call+0x7/0xb > > That's shm-make-sysv-ipc-shared-memory-use-stacked-files.patch, brought to > us by Eric-who-hasnt-read-Documentation/SubmitChecklist. > > Like this, I guess: > > diff -puN ipc/shm.c~shm-make-sysv-ipc-shared-memory-use-stacked-files-fix ipc/shm.c I might be drunk... This patch still doesn't solve the problem. BUG: sleeping function called from invalid context at /mnt/md0/devel/linux-mm/mm/slab.c:3043 in_atomic():1, irqs_disabled():0 1 lock held by Xorg/2885: #0: (&new->lock){--..}, at: [] ipc_lock+0x35/0x4f [] show_trace_log_lvl+0x1a/0x2f [] show_trace+0x12/0x14 [] dump_stack+0x16/0x18 [] __might_sleep+0xc9/0xcf [] kmem_cache_alloc+0x28/0xbf [] get_empty_filp+0x6a/0x173 [] do_shmat+0x136/0x390 [] sys_ipc+0x148/0x1b5 [] syscall_call+0x7/0xb ======================= BUG: MAX_LOCK_DEPTH too low! turning off the locking correctness validator. do_IRQ: stack overflow: -52 [] show_trace_log_lvl+0x1a/0x2f [] show_trace+0x12/0x14 [] dump_stack+0x16/0x18 [] do_IRQ+0x95/0xc1 BUG: unable to handle kernel paging request at virtual address 0e200034 printing eip: c01052e2 *pde = 00000000 Oops: 0000 [#1] PREEMPT SMP last sysfs file: /devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/vendor Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nfsd exportfs lockd nfs_acl autofs4 sunrpc af_packet nf_conntrack_netbios_ns ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables ipv6 binfmt_misc thermal processor fan container nvram snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss evdev snd_mixer_oss snd_pcm snd_timer skge snd 8139too intel_agp sk98lin agpgart soundcore mii i2c_i801 snd_page_alloc ide_cd cdrom rtc unix CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00013046 (2.6.20-mm1 #16) EIP is at dump_trace+0x88/0x9e eax: 00000000 ebx: f412c01c ecx: c0429344 edx: c03cf8fa BUG: unable to handle kernel paging request at virtual address 8d17ca6c printing eip: c011d927 *pde = 00000000 esi: 0e200000 edi: c03daed2 ebp: f412bfd0 esp: f412bfc0 ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 Process Xorg (pid: 2885, ti=f412a000 task=f4a58aa0 task.ti=f412c000) Stack: c7422ac0 c03daed2 00000011 00000000 f412bfe4 c0105312 c0429344 c03daed2 00000004 f412bff0 c0105a25 c03daed2 f412bffc c0105ae7 f412c008 f412c01c Call Trace: [] show_trace_log_lvl+0x1a/0x2f [] show_stack_log_lvl+0x9d/0xac [] show_registers+0x1ed/0x34c [] die+0x11d/0x234 [] do_page_fault+0x47c/0x55b [] error_code+0x7c/0x84 [] show_trace_log_lvl+0x1a/0x2f [] show_trace+0x12/0x14 [] dump_stack+0x16/0x18 [] do_IRQ+0x95/0xc1 BUG: unable to handle kernel paging request at virtual address 0e200034 printing eip: c01052e2 *pde = 00000000 Oops: 0000 [#2] PREEMPT SMP last sysfs file: /devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/vendor Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nfsd exportfs lockd nfs_acl autofs4 sunrpc af_packet nf_conntrack_netbios_ns ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables ipv6 binfmt_misc thermal processor fan container nvram snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss evdev snd_mixer_oss snd_pcm snd_timer skge snd 8139too intel_agp sk98lin agpgart soundcore mii i2c_i801 snd_page_alloc ide_cd cdrom rtc unix CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00013046 (2.6.20-mm1 #16) EIP is at dump_trace+0x88/0x9e eax: 00000000 ebx: f412c01c ecx: c0429344 edx: c03cf8fa esi: 0e200000 edi: c03cfa80 ebp: f412be5c esp: f412be4c ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 Process Xorg (pid: 2885, ti=f412a000 task=f4a58aa0 task.ti=f412c000) Stack: f412be64 c03cfa80 00000010 00000000 f412be70 c0105312 c0429344 c03cfa80 f412c003 f412be94 c01053c4 c03cfa80 c03cfa80 f412bf88 f412bfc0 f4a58c3c 0000002b 00000040 f412bef8 c01055c0 c03cfa80 00000010 f4a58c3c 00000b45 Call Trace: [] show_trace_log_lvl+0x1a/0x2f [] show_stack_log_lvl+0x9d/0xac [] show_registers+0x1ed/0x34c [] die+0x11d/0x234 [] do_page_fault+0x47c/0x55b [] error_code+0x7c/0x84 [] show_trace_log_lvl+0x1a/0x2f [] show_stack_log_lvl+0x9d/0xac [] show_registers+0x1ed/0x34c [] die+0x11d/0x234 [] do_page_fault+0x47c/0x55b [] error_code+0x7c/0x84 [] show_trace_log_lvl+0x1a/0x2f [] show_trace+0x12/0x14 [] dump_stack+0x16/0x18 [] do_IRQ+0x95/0xc1 BUG: unable to handle kernel paging request at virtual address 0e200034 printing eip: c01052e2 *pde = 00000000 Recursive die() failure, output suppressed Oops: 0000 [#3] Kernel panic - not syncing: Fatal exception in interrupt PREEMPT SMP last sysfs file: /devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/vendor Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nfsd exportfs lockd nfs_acl autofs4 sunrpc af_packet nf_conntrack_netbios_ns ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables ipv6 binfmt_misc thermal processor fan container nvram snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss evdev snd_mixer_oss snd_pcm snd_timer skge snd 8139too intel_agp sk98lin agpgart soundcore mii i2c_i801 snd_page_alloc ide_cd cdrom rtc unix CPU: 1 EIP: 0060:[] Not tainted VLI EFLAGS: 00010087 (2.6.20-mm1 #16) EIP is at resched_task+0x19/0x7f eax: 8d17ca6c ebx: f4a58aa0 ecx: f59ceae0 edx: 00003246 esi: f59ceae0 edi: 00000000 ebp: f5fedde8 esp: f5fedde0 ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 Process automount (pid: 2423, ti=f5fec000 task=f7e79550 task.ti=f5fec000) Stack: c7429b20 f59ceae0 f5fede3c c011f23d 00000080 00000000 00000003 f59ceae0 00000000 00000001 00000001 c7421b20 00000080 00000000 00000069 06f71d80 2a57c378 00000020 00000003 00000086 f5ae1f40 f5ae1f18 00000000 f5fede44 Call Trace: [] show_trace_log_lvl+0x1a/0x2f [] show_stack_log_lvl+0x9d/0xac [] show_registers+0x1ed/0x34c [] die+0x11d/0x234 [] do_page_fault+0x47c/0x55b [] error_code+0x7c/0x84 [] try_to_wake_up+0x3eb/0x418 [] default_wake_function+0xb/0xd [] __wake_up_common+0x32/0x55 [] __wake_up+0x31/0x42 [] wake_futex+0x45/0x50 [] do_futex+0x88d/0xe93 [] sys_futex+0x90/0xa3 [] syscall_call+0x7/0xb ======================= Code: 01 7b 08 11 4b 0c eb 05 01 3b 11 4b 04 5b 5e 5f 5d c3 55 89 e5 56 53 89 c3 b8 a0 fd 4a c0 8b 53 04 8b 52 10 03 04 95 00 66 47 c0 <8a> 00 31 d2 84 c0 0f 9f c2 b8 e0 cd 42 c0 e8 d2 39 0f 00 85 c0 EIP: [] resched_task+0x19/0x7f SS:ESP 0068:f5fedde0 BUG: at /mnt/md0/devel/linux-mm/drivers/char/vt.c:3392 do_unblank_screen() [] show_trace_log_lvl+0x1a/0x2f [] show_trace+0x12/0x14 [] dump_stack+0x16/0x18 [] do_unblank_screen+0x73/0x138 [] unblank_screen+0xa/0xc [] bust_spinlocks+0x18/0x2c [] die+0x174/0x234 [] do_page_fault+0x47c/0x55b [] error_code+0x7c/0x84 [] try_to_wake_up+0x3eb/0x418 [] default_wake_function+0xb/0xd [] __wake_up_common+0x32/0x55 [] __wake_up+0x31/0x42 [] wake_futex+0x45/0x50 [] do_futex+0x88d/0xe93 [] sys_futex+0x90/0xa3 [] syscall_call+0x7/0xb ======================= note: automount[2423] exited with preempt_count 4 0xc01052e2 is in dump_trace (/mnt/md0/devel/linux-mm/arch/i386/kernel/traps.c:191). 186 /* Should be after the line below, but somewhere 187 in early boot context comes out corrupted and we 188 can't reference it -AK */ 189 if (ops->stack(data, "IRQ") < 0) 190 break; 191 stack = (unsigned long*)context->previous_esp; 192 if (!stack) 193 break; 194 touch_nmi_watchdog(); 195 } 0xc011d927 is in resched_task (include2/asm/spinlock.h:33). 28 * (the type definitions are in asm/spinlock_types.h) 29 */ 30 31 static inline int __raw_spin_is_locked(raw_spinlock_t *x) 32 { 33 return *(volatile signed char *)(&(x)->slock) <= 0; 34 } 35 36 static inline void __raw_spin_lock(raw_spinlock_t *lock) 37 { Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (PL) (http://www.stardust.webpages.pl/ltg/) LTG - Linux Testers Group (EN) (http://www.stardust.webpages.pl/linux_testers_group_en/) - 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/