From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id 8BA6D6B003D for ; Fri, 6 Feb 2009 10:10:44 -0500 (EST) Received: by ewy13 with SMTP id 13so338775ewy.14 for ; Fri, 06 Feb 2009 07:10:42 -0800 (PST) MIME-Version: 1.0 Date: Fri, 6 Feb 2009 18:10:40 +0300 Message-ID: Subject: next-20090206: kernel BUG at mm/slub.c:1132 From: Alexander Beregalov Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-btrfs@vger.kernel.org, "linux-next@vger.kernel.org" List-ID: Hi I run dbench on btrfs, which is on file on xfs btrfs: disabling barriers on dev /dev/loop/0 ------------[ cut here ]------------ kernel BUG at mm/slub.c:1132! invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC last sysfs file: /sys/kernel/uevent_seqnum CPU 1 Modules linked in: Pid: 2078, comm: loop0 Not tainted 2.6.29-rc3-next-20090206 #1 RIP: 0010:[] [] __slab_alloc+0x41e/0x610 RSP: 0018:ffff88007b17d620 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000120012 RCX: 0000000000000010 RDX: 0000000000000000 RSI: ffffffff802c2301 RDI: ffffffff8026c12d RBP: ffff88007b17d670 R08: 0000000000000001 R09: 0000000000000000 R10: ffff88007dbbce40 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88007db82ed8 R14: ffff88007d2554a8 R15: ffff88007d255488 FS: 0000000000000000(0000) GS:ffff880004dd6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 00007ff50c1bb000 CR3: 000000006c19d000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process loop0 (pid: 2078, threadinfo ffff88007b17c000, task ffff88007dbbce40) Stack: ffffffff802c27d9 ffffffff804379f7 ffffffff7d255488 0000001000120012 ffff88007b17d660 0000000000000000 0000000000000202 0000000000120012 ffff88007d255488 ffffffff804379f7 ffff88007b17d6b0 ffffffff802c2896 Call Trace: [] ? kmem_cache_alloc+0x39/0x100 [] ? alloc_extent_state+0x17/0xa0 [] ? alloc_extent_state+0x17/0xa0 [] kmem_cache_alloc+0xf6/0x100 [] alloc_extent_state+0x17/0xa0 [] clear_extent_bit+0x1a6/0x2e0 [] try_release_extent_state+0x7e/0xa0 [] try_release_extent_mapping+0x152/0x180 [] ? __remove_mapping+0xd0/0x100 [] __btrfs_releasepage+0x36/0x70 [] btrfs_releasepage+0x25/0x30 [] try_to_release_page+0x2e/0x60 [] shrink_page_list+0x572/0x860 [] ? _spin_unlock_irq+0x2b/0x60 [] ? shrink_list+0x2b1/0x680 [] shrink_list+0x2cd/0x680 [] ? sub_preempt_count+0xc0/0x130 [] ? _spin_unlock_irqrestore+0x42/0x80 [] ? __up_write+0x70/0x120 [] shrink_zone+0x26b/0x380 [] try_to_free_pages+0x255/0x3d0 [] ? isolate_pages_global+0x0/0x270 [] __alloc_pages_internal+0x237/0x590 [] grab_cache_page_write_begin+0x85/0xd0 [] ? __mutex_lock_common+0x37c/0x4d0 [] ? do_lo_send_aops+0x43/0x190 [] block_write_begin+0x87/0xf0 [] xfs_vm_write_begin+0x25/0x30 [] ? xfs_get_blocks+0x0/0x20 [] pagecache_write_begin+0x1b/0x20 [] do_lo_send_aops+0xb3/0x190 [] ? _spin_unlock_irq+0x2b/0x60 [] ? sub_preempt_count+0xc0/0x130 [] loop_thread+0x445/0x4e0 [] ? do_lo_send_aops+0x0/0x190 [] ? autoremove_wake_function+0x0/0x40 [] ? loop_thread+0x0/0x4e0 [] kthread+0x56/0x90 [] child_rip+0xa/0x20 [] ? finish_task_switch+0x89/0x110 [] ? _spin_unlock_irq+0x36/0x60 [] ? restore_args+0x0/0x30 [] ? kthread+0x0/0x90 [] ? child_rip+0x0/0x20 Code: e8 18 69 1b 00 e9 48 ff ff ff 31 c9 48 c7 c2 00 4f 81 80 89 c6 e8 93 7f fd ff 48 89 c3 48 85 c0 0f 85 73 fe ff ff e9 91 fd ff ff <0f> 0b eb fe 49 83 7f 60 00 90 0f 84 2d fd ff ff 4c 89 f7 e8 aa RIP [] __slab_alloc+0x41e/0x610 RSP -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org