From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:54083 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756460Ab3EFUdf (ORCPT ); Mon, 6 May 2013 16:33:35 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1UZS69-0006Nm-4w for linux-btrfs@vger.kernel.org; Mon, 06 May 2013 22:33:25 +0200 Received: from host-091-097-225-022.ewe-ip-backbone.de ([91.97.225.22]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 06 May 2013 22:33:25 +0200 Received: from hurikhan77+btrfs by host-091-097-225-022.ewe-ip-backbone.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 06 May 2013 22:33:25 +0200 To: linux-btrfs@vger.kernel.org From: Kai Krakow Subject: Re: hard freezes with 3.9.0 during io-intensive loads Date: Mon, 06 May 2013 22:29:27 +0200 Message-ID: <3egl5a-al5.ln1@hurikhan.ath.cx> References: <6moh5a-knf.ln1@hurikhan.ath.cx> <2sci5a-n8p.ln1@hurikhan.ath.cx> <5187700F.20807@jan-o-sch.net> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Sender: linux-btrfs-owner@vger.kernel.org List-ID: Jan Schmidt schrieb: > That one should be fixed in btrfs-next. If you can reliably reproduce the > bug I'd be glad to get a confirmation - you can probably even save putting > it on bugzilla then ;-) I can reliably reproduce it from two different approaches. I'd like to only apply the commits fixing it. Can you name them here? >> 4,1072,17508258745,-;------------[ cut here ]------------ >> 2,1073,17508258772,-;kernel BUG at fs/btrfs/ctree.c:1144! >> 4,1074,17508258791,-;invalid opcode: 0000 [#1] SMP >> 4,1075,17508258811,-;Modules linked in: bnep bluetooth af_packet vmci(O) >> vmmon(O) vmblock(O) vmnet(O) vsock reiserfs snd_usb_audio snd_usbmidi_lib >> snd_rawmidi snd_seq_device gspca_sonixj gpio_ich gspca_main videodev >> coretemp hwmon kvm_intel kvm crc32_pclmul crc32c_intel 8250 serial_core >> lpc_ich microcode mfd_core i2c_i801 pcspkr evdev usb_storage zram(C) unix >> 4,1076,17508258966,-;CPU 0 >> 4,1077,17508258977,-;Pid: 7212, comm: btrfs-endio-wri Tainted: G >> C O 3.9.0-gentoo #2 To Be Filled By O.E.M. To Be Filled By O.E.M./Z68 >> Pro3 >> 4,1078,17508259023,-;RIP: 0010:[] [] >> __tree_mod_log_rewind+0x4c/0x121 >> 4,1079,17508259064,-;RSP: 0018:ffff8801966718e8 EFLAGS: 00010293 >> 4,1080,17508259085,-;RAX: 0000000000000003 RBX: ffff8801ee8d33b0 RCX: >> ffff880196671888 >> 4,1081,17508259112,-;RDX: 000000000a4596a4 RSI: 0000000000000eee RDI: >> ffff8804087be700 >> 4,1082,17508259138,-;RBP: 0000000000000071 R08: 0000000000001000 R09: >> ffff880196671898 >> 4,1083,17508259165,-;R10: 0000000000000000 R11: 0000000000000000 R12: >> ffff880406c2e000 >> 4,1084,17508259191,-;R13: 0000000000008a11 R14: ffff8803b5aa1200 R15: >> 0000000000000001 >> 4,1085,17508259218,-;FS: 0000000000000000(0000) >> GS:ffff88041f200000(0000) knlGS:0000000000000000 >> 4,1086,17508259248,-;CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> 4,1087,17508259270,-;CR2: 00000000026f0390 CR3: 0000000001a0b000 CR4: >> 00000000000407f0 >> 4,1088,17508259297,-;DR0: 0000000000000000 DR1: 0000000000000000 DR2: >> 0000000000000000 >> 4,1089,17508259323,-;DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: >> 0000000000000400 >> 4,1090,17508259350,-;Process btrfs-endio-wri (pid: 7212, threadinfo >> ffff880196670000, task ffff8801b82e5400) >> 4,1091,17508259383,-;Stack: >> 4,1092,17508259391,-; ffff8801ee8d38f0 ffff880021b6f360 ffff88013a5b2000 >> 0000000000008a11 >> 4,1093,17508259423,-; ffff8802d0a14000 ffffffff81167606 0000000000000246 >> ffff8801ee8d33b0 >> 4,1094,17508259455,-; ffff880406c2e000 ffff8801966719bf ffff880021b6f360 >> 0000000000000000 >> 4,1095,17508259488,-;Call Trace: >> 4,1096,17508259500,-; [] ? >> btrfs_search_old_slot+0x543/0x61e >> 4,1097,17508259526,-; [] ? >> btrfs_next_old_leaf+0x8a/0x332 4,1098,17508259552,-; [] >> ? __resolve_indirect_refs+0x2d8/0x408 >> 4,1099,17508259578,-; [] ? >> find_parent_nodes+0x9c1/0xcec 4,1100,17508259602,-; [] >> ? iterate_extent_inodes+0xf1/0x23c >> 4,1101,17508259628,-; [] ? >> btrfs_real_readdir+0x482/0x482 4,1102,17508259652,-; [] >> ? release_extent_buffer.isra.19+0x27/0x88 >> 4,1103,17508259679,-; [] ? >> btrfs_real_readdir+0x482/0x482 4,1104,17508259703,-; [] >> ? iterate_inodes_from_logical+0x89/0x96 >> 4,1105,17508259729,-; [] ? >> record_extent_backrefs+0x4d/0x8e >> 4,1106,17508259755,-; [] ? >> btrfs_finish_ordered_io+0x671/0x798 >> 4,1107,17508259781,-; [] ? worker_loop+0x176/0x493 >> 4,1108,17508259803,-; [] ? >> btrfs_queue_worker+0x272/0x272 4,1109,17508259827,-; [] >> ? btrfs_queue_worker+0x272/0x272 4,1110,17508259852,-; >> [] ? kthread+0x81/0x89 4,1111,17508259873,-; >> [] ? free_sched_groups+0x32/0x50 4,1112,17508259896,-; >> [] ? kthread_freezable_should_stop+0x36/0x36 >> 4,1113,17508259924,-; [] ? ret_from_fork+0x7c/0xb0 >> 4,1114,17508259947,-; [] ? >> kthread_freezable_should_stop+0x36/0x36 >> 4,1115,17508259974,-;Code: 85 e4 89 c5 0f 85 d6 00 00 00 e9 db 00 00 00 >> 41 83 7e 28 05 0f 87 ab 00 00 00 41 8b 46 28 ff 24 c5 20 78 62 81 41 39 >> 6e 2c 73 02 <0f> 0b 41 8b 56 2c 49 8d 76 38 48 89 df ff c5 e8 7c fb ff ff >> 49 >> 1,1116,17508260117,-;RIP [] >> __tree_mod_log_rewind+0x4c/0x121 >> 4,1117,17508260144,-; RSP >> 4,1118,17508446926,-;---[ end trace e7a8cddfc052e9e9 ]---