http://bugzilla.opensuse.org/show_bug.cgi?id=940010 Bug ID: 940010 Summary: kernel crash : kernel BUG at ../fs/btrfs/extent-tree.c:2248! Classification: openSUSE Product: openSUSE Factory Version: 201505* Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: dsterba@suse.com Reporter: mpluskal@suse.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Created attachment 642472 --> http://bugzilla.opensuse.org/attachment.cgi?id=642472&action=edit dmesg My desktop kernel (4.1.2-1-desktop) crashed when periodical balance was being executed. from dmesg: [ 46.663015] ------------[ cut here ]------------ [ 46.663093] kernel BUG at ../fs/btrfs/extent-tree.c:2248! [ 46.663111] invalid opcode: 0000 [#1] PREEMPT SMP [ 46.663132] Modules linked in: bridge stp llc iscsi_ibft iscsi_boot_sysfs af_packet bnep auth_rpcgss ftdi_sio usbserial snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support ppdev snd_hda_intel dcdbas snd_hda_controller snd_hda_codec snd_hda_core snd_hwdep snd_pcm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel btusb btbcm btintel aesni_intel aes_x86_64 snd_timer lrw gf128mul bluetooth glue_helper ablk_helper dm_mod joydev cryptd parport_pc rfkill snd 8250_fintek tpm_tis parport tpm mei_me shpchp lpc_ich soundcore i2c_i801 video mei mfd_core button pcspkr processor sunrpc btrfs xor raid6_pq crc32c_intel amdkfd amd_iommu_v2 serio_raw radeon sr_mod cdrom i2c_algo_bit drm_kms_helper xhci_pci ttm xhci_hcd [ 46.663447] e1000e ptp drm pps_core sg [ 46.663465] CPU: 1 PID: 120 Comm: kworker/u32:2 Tainted: G W 4.1.3-1-desktop #1 [ 46.663492] Hardware name: Dell Inc. OptiPlex 990/06D7TR, BIOS A18 09/24/2013 [ 46.663527] Workqueue: btrfs-extent-refs btrfs_extent_refs_helper [btrfs] [ 46.663549] task: ffff880806150150 ti: ffff880806154000 task.ti: ffff880806154000 [ 46.663573] RIP: 0010:[<ffffffffa03d5d04>] [<ffffffffa03d5d04>] __btrfs_run_delayed_refs+0x1114/0x1310 [btrfs] [ 46.663612] RSP: 0018:ffff880806157c08 EFLAGS: 00010202 [ 46.663629] RAX: 0000000000004000 RBX: ffff8807eb31ae80 RCX: ffff880805d0b000 [ 46.663651] RDX: ffff88080486a000 RSI: ffff8807eb31aef0 RDI: ffff8807eb31aee8 [ 46.663674] RBP: 0000000000000000 R08: ffff8807f5ad56b9 R09: 0000000000000001 [ 46.663696] R10: 0000000000000000 R11: 0000000000002068 R12: ffff8807f5b863a0 [ 46.663718] R13: 0000000000000000 R14: 00000113a7634000 R15: ffff8807f5a3d858 [ 46.663740] FS: 0000000000000000(0000) GS:ffff88080d240000(0000) knlGS:0000000000000000 [ 46.663765] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.663784] CR2: 0000557ecf84c018 CR3: 0000000001e0f000 CR4: 00000000000407e0 [ 46.663806] Stack: [ 46.663813] 0000000000000000 0000000000000000 ffff880800000001 0000000000000000 [ 46.663840] 0000000000000001 7fffffffffffffff ffff880700000000 ffff880807972000 [ 46.663868] ffff88077b154de0 00000000000002b7 ffff88077b154de8 000000000000015e [ 46.663895] Call Trace: [ 46.663916] [<ffffffffa03da20d>] btrfs_run_delayed_refs.part.69+0x6d/0x270 [btrfs] [ 46.663947] [<ffffffffa03da4bc>] delayed_ref_async_start+0x7c/0xa0 [btrfs] [ 46.663980] [<ffffffffa041be49>] btrfs_scrubnc_helper+0xc9/0x350 [btrfs] [ 46.664005] [<ffffffff81080b75>] process_one_work+0x155/0x490 [ 46.664025] [<ffffffff81080ef8>] worker_thread+0x48/0x4c0 [ 46.664044] [<ffffffff81086941>] kthread+0xc1/0xe0 [ 46.664062] [<ffffffff816af922>] ret_from_fork+0x42/0x70 [ 46.664080] Code: 48 8b 9c 24 80 00 00 00 44 89 f5 4c 8b ac 24 88 00 00 00 65 ff 0d e5 4c c3 5f 74 05 e9 95 f3 ff ff e8 42 a3 f9 e0 e9 8b f3 ff ff <0f> 0b 3c b6 0f 84 c6 fb ff ff 3c b8 0f 85 ba f6 ff ff 48 8b 3d [ 46.664228] RIP [<ffffffffa03d5d04>] __btrfs_run_delayed_refs+0x1114/0x1310 [btrfs] [ 46.664261] RSP <ffff880806157c08> - see attachment for details -- You are receiving this mail because: You are on the CC list for the bug.