https://bugzilla.novell.com/show_bug.cgi?id=734825 https://bugzilla.novell.com/show_bug.cgi?id=734825#c0 Summary: btrfs: kernel BUG at fs/btrfs/extent-tree.c:5467! Classification: openSUSE Product: openSUSE 12.1 Version: Final Platform: x86-64 OS/Version: SuSE Other Status: NEW Severity: Critical Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: win@huber-und-boehm.de QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20100101 Firefox/8.0 This morning I found my machine partially dead with a lot of kernel messages. Rebooting always results in the same problem on my btrfs root file system :-((( vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv Dec 5 10:40:18 ara kernel: [ 844.929860] ------------[ cut here ]------------ Dec 5 10:40:18 ara kernel: [ 844.929865] kernel BUG at /home/abuild/rpmbuild/BUILD/kernel-desktop-3.1.0/linux-3.1/fs/btrfs/extent-tree.c:5467! Dec 5 10:40:18 ara kernel: [ 844.929867] invalid opcode: 0000 [#1] PREEMPT SMP Dec 5 10:40:18 ara kernel: [ 844.929871] CPU 1 Dec 5 10:40:18 ara kernel: [ 844.929872] Modules linked in: fuse af_packet ip6t_LOG ipt_MASQUERADE xt_pkttype xt_TCPMSS xt_limit ipt_LOG xt_tcpudp iptable_nat nf_nat ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT iptable_raw iptable_filter ip6table_mangle 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 mperf microcode nls_utf8 loop tuner_simple tuner_types ir_lirc_codec lirc_dev tuner msp3400 ir_mce_kbd_decoder ir_sony_decoder ir_jvc_decoder snd_hda_codec_hdmi snd_hda_codec_analog dm_mod ir_rc6_decoder ir_rc5_decoder ir_nec_decoder bttv videobuf_dma_sg videobuf_core btcx_risc rc_core sr_mod cdrom snd_hda_intel firewire_ohci firewire_core snd_hda_codec i2c_i801 sg joydev tveeprom v4l2_common videodev pcspkr floppy v4l2_compat_ioctl32 iTCO_wdt snd_hwdep snd_pcm snd_timer snd asus_atk0110 soundcore iTCO_vendor_support skge snd_page_alloc sky2 crc_itu_t autofs4 btrfs zlib_defl Dec 5 10:40:18 ara kernel: ate nouveau ttm drm_kms_helper drm processor i2c_algo_bit mxm_wmi wmi video thermal_sys button ata_generic pata_jmicron Dec 5 10:40:18 ara kernel: [ 844.929929] Dec 5 10:40:18 ara kernel: [ 844.929932] Pid: 4085, comm: btrfs-endio-wri Not tainted 3.1.0-1.2-desktop #1 System manufacturer System Product Name/P5B-Deluxe Dec 5 10:40:18 ara kernel: [ 844.929936] RIP: 0010:[<ffffffffa018a4bf>] [<ffffffffa018a4bf>] alloc_reserved_file_extent+0x24f/0x270 [btrfs] Dec 5 10:40:18 ara kernel: [ 844.929953] RSP: 0018:ffff880173d4db40 EFLAGS: 00010282 Dec 5 10:40:18 ara kernel: [ 844.929954] RAX: 00000000ffffffef RBX: ffff8801e9672be0 RCX: 0000160000000000 Dec 5 10:40:18 ara kernel: [ 844.929957] RDX: 0000000000000008 RSI: 0000000000000001 RDI: ffff88016716abd0 Dec 5 10:40:18 ara kernel: [ 844.929958] RBP: 00000000000000b2 R08: 0000000000000001 R09: 0000000000000001 Dec 5 10:40:18 ara kernel: [ 844.929961] R10: ffff88018989d540 R11: 000000000000004e R12: 0000000000000000 Dec 5 10:40:18 ara kernel: [ 844.929963] R13: ffff880173d4dc0f R14: ffff88018989d540 R15: ffff8801eba1b800 Dec 5 10:40:18 ara kernel: [ 844.929965] FS: 0000000000000000(0000) GS:ffff8801ffc80000(0000) knlGS:0000000000000000 Dec 5 10:40:18 ara kernel: [ 844.929967] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Dec 5 10:40:18 ara kernel: [ 844.929969] CR2: 00007f69f3b8b000 CR3: 000000012d3bd000 CR4: 00000000000006e0 Dec 5 10:40:18 ara kernel: [ 844.929971] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Dec 5 10:40:18 ara kernel: [ 844.929973] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Dec 5 10:40:18 ara kernel: [ 844.929976] Process btrfs-endio-wri (pid: 4085, threadinfo ffff880173d4c000, task ffff880173d4a080) Dec 5 10:40:18 ara kernel: [ 844.929977] Stack: Dec 5 10:40:18 ara kernel: [ 844.929979] ffff8801f0ab9400 ffff880100000035 ffff8801f0ee8000 0000000100000001 Dec 5 10:40:18 ara kernel: [ 844.929983] 8000000000000c83 0000000000000000 0000000000000005 00000000000df493 Dec 5 10:40:18 ara kernel: [ 844.929987] 0000000000001000 0000003500000e36 000000000000003c ffff88018989d540 Dec 5 10:40:18 ara kernel: [ 844.929991] Call Trace: Dec 5 10:40:18 ara kernel: [ 844.930020] [<ffffffffa018b05e>] run_delayed_data_ref+0x10e/0x1c0 [btrfs] Dec 5 10:40:18 ara kernel: [ 844.930047] [<ffffffffa018d978>] run_clustered_refs+0xc8/0x220 [btrfs] Dec 5 10:40:18 ara kernel: [ 844.930075] [<ffffffffa018db95>] btrfs_run_delayed_refs+0xc5/0x210 [btrfs] Dec 5 10:40:18 ara kernel: [ 844.930105] [<ffffffffa019e590>] __btrfs_end_transaction+0x90/0x340 [btrfs] Dec 5 10:40:18 ara kernel: [ 844.930146] [<ffffffffa01a55d5>] btrfs_finish_ordered_io+0x2a5/0x340 [btrfs] Dec 5 10:40:18 ara kernel: [ 844.930193] [<ffffffffa01b9310>] end_bio_extent_writepage+0x120/0x170 [btrfs] Dec 5 10:40:18 ara kernel: [ 844.930259] [<ffffffffa01c5cb1>] worker_loop+0xa1/0x2a0 [btrfs] Dec 5 10:40:18 ara kernel: [ 844.930325] [<ffffffff81075c8e>] kthread+0x7e/0x90 Dec 5 10:40:18 ara kernel: [ 844.930332] [<ffffffff815a5474>] kernel_thread_helper+0x4/0x10 Dec 5 10:40:18 ara kernel: [ 844.930336] Code: 20 8b 94 24 a0 00 00 00 48 8b 7c 24 10 48 81 c6 86 00 00 00 e8 83 90 02 00 e9 6c ff ff ff 66 0f 1f 44 00 00 b8 f4 ff ff ff eb 90 <0f> 0b 49 8b 55 09 49 8b 75 00 48 c7 c7 20 ce 1e a0 31 c0 e8 0e Dec 5 10:40:18 ara kernel: [ 844.930364] RIP [<ffffffffa018a4bf>] alloc_reserved_file_extent+0x24f/0x270 [btrfs] Dec 5 10:40:18 ara kernel: [ 844.930375] RSP <ffff880173d4db40> Dec 5 10:40:18 ara kernel: [ 844.930386] ---[ end trace f28e4ec412b24934 ]--- Dec 5 10:40:18 ara kernel: [ 844.930391] note: btrfs-endio-wri[4085] exited with preempt_count 1 Dec 5 10:40:18 ara kernel: [ 845.004389] ------------[ cut here ]------------ Dec 5 10:40:18 ara kernel: [ 845.004395] kernel BUG at /home/abuild/rpmbuild/BUILD/kernel-desktop-3.1.0/linux-3.1/fs/btrfs/extent-tree.c:5467! Dec 5 10:40:18 ara kernel: [ 845.004398] invalid opcode: 0000 [#2] PREEMPT SMP Dec 5 10:40:18 ara kernel: [ 845.004401] CPU 1 Dec 5 10:40:18 ara kernel: [ 845.004403] Modules linked in: fuse af_packet ip6t_LOG ipt_MASQUERADE xt_pkttype xt_TCPMSS xt_limit ipt_LOG xt_tcpudp iptable_nat nf_nat ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT iptable_raw iptable_filter ip6table_mangle 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 mperf microcode nls_utf8 loop tuner_simple tuner_types ir_lirc_codec lirc_dev tuner msp3400 ir_mce_kbd_decoder ir_sony_decoder ir_jvc_decoder snd_hda_codec_hdmi snd_hda_codec_analog dm_mod ir_rc6_decoder ir_rc5_decoder ir_nec_decoder bttv videobuf_dma_sg videobuf_core btcx_risc rc_core sr_mod cdrom snd_hda_intel firewire_ohci firewire_core snd_hda_codec i2c_i801 sg joydev tveeprom v4l2_common videodev pcspkr floppy v4l2_compat_ioctl32 iTCO_wdt snd_hwdep snd_pcm snd_timer snd asus_atk0110 soundcore iTCO_vendor_support skge snd_page_alloc sky2 crc_itu_t autofs4 btrfs zlib_defl Dec 5 10:40:18 ara kernel: ate nouveau ttm drm_kms_helper drm processor i2c_algo_bit mxm_wmi wmi video thermal_sys button ata_generic pata_jmicron Dec 5 10:40:18 ara kernel: [ 845.004460] Dec 5 10:40:18 ara kernel: [ 845.004463] Pid: 4097, comm: btrfs-endio-wri Tainted: G D 3.1.0-1.2-desktop #1 System manufacturer System Product Name/P5B-Deluxe Dec 5 10:40:18 ara kernel: [ 845.004467] RIP: 0010:[<ffffffffa018a4bf>] [<ffffffffa018a4bf>] alloc_reserved_file_extent+0x24f/0x270 [btrfs] Dec 5 10:40:18 ara kernel: [ 845.004485] RSP: 0000:ffff8801712cfb40 EFLAGS: 00010282 Dec 5 10:40:18 ara kernel: [ 845.004487] RAX: 00000000ffffffef RBX: ffff8801e9672b50 RCX: 0000160000000000 Dec 5 10:40:18 ara kernel: [ 845.004489] RDX: 0000000000000008 RSI: 0000000000000001 RDI: ffff88016716abd0 Dec 5 10:40:18 ara kernel: [ 845.004491] RBP: 00000000000000b2 R08: 0000000000000001 R09: 0000000000000001 Dec 5 10:40:18 ara kernel: [ 845.004493] R10: ffff88018989de40 R11: 000000000000004e R12: 0000000000000000 Dec 5 10:40:18 ara kernel: [ 845.004495] R13: ffff8801712cfc0f R14: ffff88018989de40 R15: ffff8801eba1b800 Dec 5 10:40:18 ara kernel: [ 845.004498] FS: 0000000000000000(0000) GS:ffff8801ffc80000(0000) knlGS:0000000000000000 Dec 5 10:40:18 ara kernel: [ 845.004500] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Dec 5 10:40:18 ara kernel: [ 845.004502] CR2: 00007ffabfa15400 CR3: 000000011e918000 CR4: 00000000000006e0 Dec 5 10:40:18 ara kernel: [ 845.004504] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Dec 5 10:40:18 ara kernel: [ 845.004506] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Dec 5 10:40:18 ara kernel: [ 845.004508] Process btrfs-endio-wri (pid: 4097, threadinfo ffff8801712ce000, task ffff880188936280) Dec 5 10:40:18 ara kernel: [ 845.004510] Stack: Dec 5 10:40:18 ara kernel: [ 845.004511] ffff8801f0ab9400 ffff880100000035 ffff8801f0ee8000 0000000100000001 Dec 5 10:40:18 ara kernel: [ 845.004516] 0000000000000000 0000000000000000 0000000000000005 00000000000df493 Dec 5 10:40:18 ara kernel: [ 845.004519] 0000000000001000 0000003500000b1c 0000000000000000 ffff88018989de40 Dec 5 10:40:18 ara kernel: [ 845.004523] Call Trace: Dec 5 10:40:18 ara kernel: [ 845.004553] [<ffffffffa018b05e>] run_delayed_data_ref+0x10e/0x1c0 [btrfs] Dec 5 10:40:18 ara kernel: [ 845.004580] [<ffffffffa018d978>] run_clustered_refs+0xc8/0x220 [btrfs] Dec 5 10:40:18 ara kernel: [ 845.004608] [<ffffffffa018db95>] btrfs_run_delayed_refs+0xc5/0x210 [btrfs] Dec 5 10:40:18 ara kernel: [ 845.004638] [<ffffffffa019e590>] __btrfs_end_transaction+0x90/0x340 [btrfs] Dec 5 10:40:18 ara kernel: [ 845.004679] [<ffffffffa01a55d5>] btrfs_finish_ordered_io+0x2a5/0x340 [btrfs] Dec 5 10:40:18 ara kernel: [ 845.004727] [<ffffffffa01b9310>] end_bio_extent_writepage+0x120/0x170 [btrfs] Dec 5 10:40:18 ara kernel: [ 845.004793] [<ffffffffa01c5cb1>] worker_loop+0xa1/0x2a0 [btrfs] Dec 5 10:40:18 ara kernel: [ 845.004859] [<ffffffff81075c8e>] kthread+0x7e/0x90 Dec 5 10:40:18 ara kernel: [ 845.004866] [<ffffffff815a5474>] kernel_thread_helper+0x4/0x10 Dec 5 10:40:18 ara kernel: [ 845.004869] Code: 20 8b 94 24 a0 00 00 00 48 8b 7c 24 10 48 81 c6 86 00 00 00 e8 83 90 02 00 e9 6c ff ff ff 66 0f 1f 44 00 00 b8 f4 ff ff ff eb 90 <0f> 0b 49 8b 55 09 49 8b 75 00 48 c7 c7 20 ce 1e a0 31 c0 e8 0e Dec 5 10:40:18 ara kernel: [ 845.004899] RIP [<ffffffffa018a4bf>] alloc_reserved_file_extent+0x24f/0x270 [btrfs] Dec 5 10:40:18 ara kernel: [ 845.004910] RSP <ffff8801712cfb40> Dec 5 10:40:18 ara kernel: [ 845.004912] ---[ end trace f28e4ec412b24935 ]--- Dec 5 10:40:18 ara kernel: [ 845.004915] note: btrfs-endio-wri[4097] exited with preempt_count 1 ====================================================================== The machine is partially dead ... e.g. xlock keeps on showing the time, but the window manager is dead. But I can still ssh into the machine. The problem arouses within a minute or so after a reboot (tried several times). Any hint to get btrfs sane again or get the machine running for the moment? Rebalancing trees or something like that? Reproducible: Always Steps to Reproduce: 1. errr ... that's hard ... can't upload a dump of my 100 GB root file system right now... but I can reproduce it simply be rebooting :-(( Actual Results: machine dies slowly ... Expected Results: machine should keep running -- 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.