From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:13671 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755682AbaCNPf6 (ORCPT ); Fri, 14 Mar 2014 11:35:58 -0400 Message-ID: <532321D5.4020906@fb.com> Date: Fri, 14 Mar 2014 11:35:49 -0400 From: Josef Bacik MIME-Version: 1.0 To: Sage Weil CC: Subject: Re: warn at fs/btrfs/extent-tree.c:5748 __btrfs_free_extent+0x9ce/0xa20 References: <53231FC8.6040100@fb.com> In-Reply-To: Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 03/14/2014 11:34 AM, Sage Weil wrote: > On Fri, 14 Mar 2014, Josef Bacik wrote: >> On 03/11/2014 07:44 PM, Sage Weil wrote: >>> Hey, >>> >>> Is this something you guys have seen before? This is from v3.13-rc2. >>> >>> kernel: [49432.696440] WARNING: CPU: 3 PID: 26411 at /srv/autobuild-ceph/gitbuilder.git/build/fs/btrfs/extent-tree.c:5748 __btrfs_free_extent+0x9ce/0xa20 [btrfs]() >>> kernel: [49432.710128] Modules linked in: arc4(F) md4(F) nls_utf8(F) cifs(F) ufs(F) qnx4(F) hfsplus(F) hfs(F) minix(F) ntfs(F) msdos(F) jfs(F) xfs(F) reiserfs(F) ext2(F) kvm_intel(F) kvm(F) ib_iser(F) rdma_cm(F) ib_cm(F) iw_cm(F) ib_sa(F) ib_mad(F) ib_core(F) ib_addr(F) iscsi_tcp(F) libiscsi_tcp(F) libiscsi(F) psmouse(F) ipmi_si(F) serio_raw(F) gpio_ich(F) joydev(F) dcdbas(F) i7core_edac(F) edac_core(F) ipmi_msghandler(F) mac_hid(F) acpi_power_meter(F) lpc_ich(F) tpm_tis(F) nfsd(F) nfs_acl(F) auth_rpcgss(F) scsi_transport_iscsi(F) nfs(F) fscache(F) lockd(F) lp(F) sunrpc(F) parport(F) hid_generic(F) usbhid(F) hid(F) btrfs(F) raid6_pq(F) mptsas(F) ixgbe(F) mptscsih(F) dca(F) mptbase(F) ptp(F) pps_core(F) scsi_transport_sas(F) xor(F) mdio(F) bnx2(F) libcrc32c(F) >>> kernel: [49432.777445] CPU: 3 PID: 26411 Comm: ceph-osd Tainted: GF I 3.14.0-rc5-ceph-00016-gf31a96a #1 >>> kernel: [49432.786704] Hardware name: Dell Inc. PowerEdge R410/01V648, BIOS 1.6.3 02/07/2011 >>> kernel: [49432.794223] 0000000000001674 ffff8800bf1cbac8 ffffffff816e4840 ffff88022726ef90 >>> kernel: [49432.801700] 0000000000000000 ffff8800bf1cbb08 ffffffff810524ac a800000000b07e50 >>> kernel: [49432.809176] ffff880094e74120 0000000000000000 00000000b07c9000 0000000000000000 >>> kernel: [49432.816653] Call Trace: >>> kernel: [49432.819119] [] dump_stack+0x46/0x58 >>> kernel: [49432.825384] [] warn_slowpath_common+0x8c/0xc0 >>> kernel: [49432.831413] [] warn_slowpath_null+0x1a/0x20 >>> kernel: [49432.837284] [] __btrfs_free_extent+0x9ce/0xa20 [btrfs] >>> kernel: [49432.844108] [] __btrfs_run_delayed_refs+0x428/0x11e0 [btrfs] >>> kernel: [49432.851465] [] ? block_rsv_release_bytes+0x108/0x190 [btrfs] >>> kernel: [49432.858823] [] btrfs_run_delayed_refs+0x76/0x2a0 [btrfs] >>> kernel: [49432.865869] [] __btrfs_end_transaction+0x26f/0x370 [btrfs] >>> kernel: [49432.873044] [] btrfs_end_transaction+0x10/0x20 [btrfs] >>> kernel: [49432.879872] [] btrfs_link+0x13e/0x1d0 [btrfs] >>> kernel: [49432.885903] [] vfs_link+0x1b1/0x270 >>> kernel: [49432.891060] [] SyS_linkat+0x210/0x2d0 >>> kernel: [49432.896394] [] SyS_link+0x1e/0x20 >>> kernel: [49432.901380] [] system_call_fastpath+0x1a/0x1f >>> >>> The full dump is at >>> >>> https://urldefense.proofpoint.com/v1/url?u=http://tracker.ceph.com/issues/7688&k=ZVNjlDMF0FElm4dQtryO4A%3D%3D%0A&r=cKCbChRKsMpTX8ybrSkonQ%3D%3D%0A&m=5Q0Wl4GGvXb3sw11Xy%2FYQnZbcMlzHHsbegI1uoQnEbE%3D%0A&s=f85b1094d776c10386c681a8a7b31e49f0621bf51829b6e7153095f2335a01c0 >>> https://urldefense.proofpoint.com/v1/url?u=http://tracker.ceph.com/attachments/download/1141/kern.log.gz&k=ZVNjlDMF0FElm4dQtryO4A%3D%3D%0A&r=cKCbChRKsMpTX8ybrSkonQ%3D%3D%0A&m=5Q0Wl4GGvXb3sw11Xy%2FYQnZbcMlzHHsbegI1uoQnEbE%3D%0A&s=dff103270aba751a919e566182a4d9482041f972ac72cb12435814ae75cacf14 >>> >> >> Filipe's looking at this Sage, you said it happend on v3.13-rc2 but the >> kernel line says 3.14.0-rc5, have you had it happen in both places? Thanks, > > Whoops, that's my mistake.. it's 3.14-rc5. The exact commit is it > git://github.com/ceph/ceph-client.git, if it matters; it's -rc5 + some > ceph patches. > Cool, not worried about what you guys are doing, just wondering if it may be related to me screwing around in delayed ref land recently or if you had seen it earlier too. Thanks, Josef