https://bugzilla.novell.com/show_bug.cgi?id=811383 https://bugzilla.novell.com/show_bug.cgi?id=811383#c0 Summary: kernel/btrfs crash with 3.7.10 and a balance/rebalance Classification: openSUSE Product: openSUSE 12.3 Version: Final Platform: Other OS/Version: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: jnelson-suse@jamponi.net QAContact: qa-bugs@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:19.0) Gecko/20100101 Firefox/19.0 I'm running openSUSE 12.3 on x86_64. I was running a balance: btrfs balance -dusage=5 -v / using the latest btrfs tools code from git (as of this writing) and got a crash: [304158.496250] btrfs: found 75 extents [304159.309289] btrfs: relocating block group 2303295684608 flags 17 [304159.839886] btrfs: found 1 extents [304161.484616] ------------[ cut here ]------------ [304161.484668] WARNING: at /home/abuild/rpmbuild/BUILD/kernel-default-3.7.10/linux-3.7/fs/btrfs/super.c:246 __btrfs_abort_transaction+0xc3/0xe0 [btrfs]() [304161.484671] Hardware name: TA790GX XE [304161.484673] btrfs: Transaction aborted [304161.484675] Modules linked in: af_packet md5 xt_REDIRECT xt_pkttype xt_physdev xt_TCPMSS xt_tcpudp xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat iptable_mangle xt_mark nfsd nfs_acl nfs fscache lockd auth_rpcgss ebt_ip sunrpc ebtable_filter ebtables bridge stp llc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_ftp nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables cpufreq_conservative cpufreq_userspace cpufreq_powersave snd_hda_codec_hdmi snd_hda_codec_realtek acpi_cpufreq snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd sr_mod cdrom radeon mperf ttm soundcore ata_generic sg via_velocity sp5100_tco drm_kms_helper kvm_amd kvm microcode snd_page_alloc r8169 pcspkr crc_ccitt button i2c_piix4 k10temp edac_core drm pata_atiixp i2c_algo_bit edac_mce_amd shpchp pci_hotplug wmi tcp_htcp autofs4 btrfs zlib_deflate libcrc32c raid456 async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx raid10 raid0 raid1 ohci_hcd ehci_hcd usbcore usb_common scsi_dh_rdac scsi_dh_hp_sw scsi_dh_emc scsi_dh_alua scsi_dh dm_mirror dm_region_hash dm_log dm_mod edd fan thermal processor thermal_sys [304161.484749] Pid: 22397, comm: btrfs Tainted: G W 3.7.10-1.1-default #1 [304161.484751] Call Trace: [304161.484770] [<ffffffff81004728>] dump_trace+0x78/0x2c0 [304161.484777] [<ffffffff8153b44e>] dump_stack+0x69/0x6f [304161.484785] [<ffffffff81043f69>] warn_slowpath_common+0x79/0xc0 [304161.484791] [<ffffffff81044065>] warn_slowpath_fmt+0x45/0x50 [304161.484812] [<ffffffffa01662e3>] __btrfs_abort_transaction+0xc3/0xe0 [btrfs] [304161.484844] [<ffffffffa0175ddd>] __btrfs_inc_extent_ref+0x1ed/0x250 [btrfs] [304161.484899] [<ffffffffa017c3f6>] run_clustered_refs+0x666/0xa90 [btrfs] [304161.484954] [<ffffffffa017f4ea>] btrfs_run_delayed_refs+0xca/0x310 [btrfs] [304161.485012] [<ffffffffa018f7d9>] __btrfs_end_transaction+0xf9/0x420 [btrfs] [304161.485085] [<ffffffffa01d457d>] merge_reloc_root+0x48d/0x520 [btrfs] [304161.485214] [<ffffffffa01d4711>] merge_reloc_roots+0x101/0x140 [btrfs] [304161.485337] [<ffffffffa01d4bde>] relocate_block_group+0x25e/0x6b0 [btrfs] [304161.485459] [<ffffffffa01d51d9>] btrfs_relocate_block_group+0x1a9/0x2e0 [btrfs] [304161.485579] [<ffffffffa01aed4d>] btrfs_relocate_chunk.isra.53+0x5d/0x6e0 [btrfs] [304161.485674] [<ffffffffa01b3086>] btrfs_balance+0x826/0xd60 [btrfs] [304161.485770] [<ffffffffa01b88f6>] btrfs_ioctl_balance+0x136/0x420 [btrfs] [304161.485878] [<ffffffffa01bcc64>] btrfs_ioctl+0xe54/0x1870 [btrfs] [304161.485967] [<ffffffff81177b1f>] do_vfs_ioctl+0x8f/0x520 [304161.485973] [<ffffffff81178050>] sys_ioctl+0xa0/0xc0 [304161.485979] [<ffffffff8154f2ed>] system_call_fastpath+0x1a/0x1f [304161.485989] [<00007f03050aef27>] 0x7f03050aef26 [304161.485991] ---[ end trace d010cbea0d653c96 ]--- [304161.485995] BTRFS error (device sdd) in __btrfs_inc_extent_ref:1952: Object already exists [304161.485996] btrfs is forced readonly [304161.486051] ------------[ cut here ]------------ [304161.486138] kernel BUG at /home/abuild/rpmbuild/BUILD/kernel-default-3.7.10/linux-3.7/fs/btrfs/relocation.c:2279! [304161.486299] invalid opcode: 0000 [#1] SMP [304161.486371] Modules linked in: af_packet md5 xt_REDIRECT xt_pkttype xt_physdev xt_TCPMSS xt_tcpudp xt_LOG xt_limit iptable_nat nf_nat_ipv4 nf_nat iptable_mangle xt_mark nfsd nfs_acl nfs fscache lockd auth_rpcgss ebt_ip sunrpc ebtable_filter ebtables bridge stp llc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle nf_conntrack_ftp nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables cpufreq_conservative cpufreq_userspace cpufreq_powersave snd_hda_codec_hdmi snd_hda_codec_realtek acpi_cpufreq snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd sr_mod cdrom radeon mperf ttm soundcore ata_generic sg via_velocity sp5100_tco drm_kms_helper kvm_amd kvm microcode snd_page_alloc r8169 pcspkr crc_ccitt button i2c_piix4 k10temp edac_core drm pata_atiixp i2c_algo_bit edac_mce_amd shpchp pci_hotplug wmi tcp_htcp autofs4 btrfs zlib_deflate libcrc32c raid456 async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx raid10 raid0 raid1 ohci_hcd ehci_hcd usbcore usb_common scsi_dh_rdac scsi_dh_hp_sw scsi_dh_emc scsi_dh_alua scsi_dh dm_mirror dm_region_hash dm_log dm_mod edd fan thermal processor thermal_sys [304161.488642] CPU 3 [304161.488678] Pid: 22397, comm: btrfs Tainted: G W 3.7.10-1.1-default #1 BIOSTAR Group TA790GX XE/TA790GX XE [304161.488851] RIP: 0010:[<ffffffffa01d473f>] [<ffffffffa01d473f>] merge_reloc_roots+0x12f/0x140 [btrfs] [304161.489024] RSP: 0018:ffff8800560e3ae8 EFLAGS: 00010286 [304161.489109] RAX: 00000000ffffffe2 RBX: ffff880075ada000 RCX: 00000000ffffffe2 [304161.489222] RDX: 0000000000000001 RSI: ffffffffa01f2140 RDI: ffff88007ec44000 [304161.489335] RBP: ffff88003dc0a000 R08: 0000000000000000 R09: ffff88000ad589c0 [304161.489447] R10: ffff880007fd7840 R11: 0000000000000000 R12: ffff8800560e3ae8 [304161.489560] R13: ffff88003dc0a590 R14: 0000000000000000 R15: ffff88003dc0a000 [304161.489674] FS: 00007f03062fa740(0000) GS:ffff88008fcc0000(0000) knlGS:0000000000000000 [304161.489800] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [304161.489892] CR2: 00007fb1b64f3000 CR3: 000000000ec90000 CR4: 00000000000007e0 [304161.490005] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [304161.490117] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [304161.490231] Process btrfs (pid: 22397, threadinfo ffff8800560e2000, task ffff8800315d8440) [304161.490359] Stack: [304161.490393] ffff880089556c40 ffff88001da2fc40 ffff88003dc0a020 0000000000000000 [304161.490527] ffff88003dc0a020 ffff88003dc0a0e8 ffff880011ed7e20 ffffffffa01d4bde [304161.490661] ffff8800315d8440 ffff88000e8a19e8 0000000000000001 ffff8800560e3b70 [304161.490794] Call Trace: [304161.490959] [<ffffffffa01d4bde>] relocate_block_group+0x25e/0x6b0 [btrfs] [304161.491188] [<ffffffffa01d51d9>] btrfs_relocate_block_group+0x1a9/0x2e0 [btrfs] [304161.491423] [<ffffffffa01aed4d>] btrfs_relocate_chunk.isra.53+0x5d/0x6e0 [btrfs] [304161.496247] [<ffffffffa01b3086>] btrfs_balance+0x826/0xd60 [btrfs] [304161.501104] [<ffffffffa01b88f6>] btrfs_ioctl_balance+0x136/0x420 [btrfs] [304161.506028] [<ffffffffa01bcc64>] btrfs_ioctl+0xe54/0x1870 [btrfs] [304161.510965] [<ffffffff81177b1f>] do_vfs_ioctl+0x8f/0x520 [304161.515804] [<ffffffff81178050>] sys_ioctl+0xa0/0xc0 [304161.520633] [<ffffffff8154f2ed>] system_call_fastpath+0x1a/0x1f [304161.525500] [<00007f03050aef27>] 0x7f03050aef26 [304161.530364] Code: 98 0f 0b 66 0f 1f 84 00 00 00 00 00 85 d2 0f 85 08 ff ff ff 48 83 bd 80 05 00 00 00 75 13 48 83 c4 18 31 c0 5b 5d 41 5c 41 5d c3 <0f> 0b 0f 0b 0f 0b 0f 0b 66 0f 1f 84 00 00 00 00 00 41 57 41 56 [304161.540686] RIP [<ffffffffa01d473f>] merge_reloc_roots+0x12f/0x140 [btrfs] [304161.545834] RSP <ffff8800560e3ae8> [304161.567260] ---[ end trace d010cbea0d653c97 ]--- after reboot, I had these in dmesg: [ 2.987614] Btrfs loaded [ 3.086503] device fsid 7feedf1e-9711-4900-af9c-92738ea8aace devid 3 transid 191375 /dev/sda3 [ 3.266789] device fsid 7feedf1e-9711-4900-af9c-92738ea8aace devid 4 transid 191375 /dev/sdb3 [ 3.295747] device fsid 7feedf1e-9711-4900-af9c-92738ea8aace devid 6 transid 191375 /dev/sdc [ 3.323649] device fsid 7feedf1e-9711-4900-af9c-92738ea8aace devid 5 transid 191375 /dev/sdd ... [ 3.397936] device fsid 7feedf1e-9711-4900-af9c-92738ea8aace devid 3 transid 191375 /dev/sda3 [ 3.399260] btrfs: enabling inode map caching [ 3.399263] btrfs: disk space caching is enabled [ 31.647466] btrfs: unlinked 1 orphans [ 148.625870] btrfs: unlinked 9 orphans [ 150.308382] auto deleting 2158 [ 150.308576] auto deleting 2157 [ 150.308627] auto deleting 2156 [ 150.308671] auto deleting 2155 [ 150.308715] auto deleting 2154 [ 150.308763] auto deleting 2153 [ 150.308808] auto deleting 2152 [ 150.308851] auto deleting 2151 [ 150.308898] auto deleting 2150 [ 150.308944] auto deleting 2149 [ 150.309004] auto deleting 2148 [ 150.309090] auto deleting 2147 [ 150.309148] auto deleting 2146 [ 150.309210] auto deleting 2145 [ 150.309287] auto deleting 2144 [ 150.309343] auto deleting 2143 [ 150.309398] auto deleting 2142 [ 150.309460] auto deleting 2141 [ 150.309517] auto deleting 2140 [ 150.309574] auto deleting 2139 [ 150.309653] auto deleting 2138 [ 150.309715] auto deleting 2137 [ 150.309772] auto deleting 2136 [ 150.309829] auto deleting 2134 [ 150.309885] auto deleting 2132 [ 150.309967] auto deleting 2128 [ 150.310023] auto deleting 2127 [ 150.310077] auto deleting 2126 [ 150.312906] btrfs: continuing balance As soon as I could log in, I cancelled the balance. Reproducible: Always Steps to Reproduce: 1. 2. 3. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.