I too have run into this just today, file system is nearly fresh: ------------[ cut here ]------------ kernel BUG at fs/btrfs/delayed-inode.c:1693! invalid opcode: 0000 [#9] SMP CPU 21 Modules linked in: btrfs zlib_deflate ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 serio_raw pcspkr amd64_edac_mod edac_core edac_mce_amd i2c_piix4 i2c_core igb dca sg ses enclosure ext4 mbcache jbd2 sd_mod crc_t10dif ata_generic pata_acpi pata_atiixp ahci libahci megaraid_sas dm_mod [last unloaded: scsi_wait_scan] Pid: 4445, comm: cosd Tainted: G D W 3.0.0 #5 Supermicro H8DGT/H8DGT RIP: 0010:[<ffffffffa02756d0>] [<ffffffffa02756d0>] btrfs_delayed_update_inode+0x120/0x130 [btrfs] RSP: 0018:ffff8807ea0ddbb8 EFLAGS: 00010286 RAX: 00000000ffffffe4 RBX: ffff8804814cebe8 RCX: 0000000000018000 RDX: 0000000000017000 RSI: 0000000000018000 RDI: ffff8807eb8f41d0 RBP: ffff8807ea0ddbf8 R08: 0000000000000000 R09: 0000000000000016 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8804814cec30 R13: ffff88067df691d8 R14: ffff8803f3a7da50 R15: ffff8807dea6a800 FS: 00007fb19f027700(0000) GS:ffff88081f4a0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd83c1d2000 CR3: 00000007eba74000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process cosd (pid: 4445, threadinfo ffff8807ea0dc000, task ffff8807eb022a80) Stack: 0000000000000001 0000000000018000 000000000000a7f0 ffff88067df691d8 ffff8803f3a7da50 ffff88067df691d8 ffff880654f58a30 0000000000000000 ffff8807ea0ddc48 ffffffffa0233a43 ffff8807ea5839a8 000000000000018c Call Trace: [<ffffffffa0233a43>] btrfs_update_inode+0x53/0x160 [btrfs] [<ffffffffa025cfec>] btrfs_ioctl_clone+0x9bc/0xc90 [btrfs] [<ffffffffa025d5db>] btrfs_ioctl+0x31b/0xd20 [btrfs] [<ffffffff811675c9>] ? do_filp_open+0x49/0xa0 [<ffffffff8116a27a>] do_vfs_ioctl+0x9a/0x540 [<ffffffff8116a7c1>] sys_ioctl+0xa1/0xb0 [<ffffffff8153eec2>] system_call_fastpath+0x16/0x1b Code: 00 03 00 00 8d 0c 49 48 89 ca 48 89 4d c8 e8 28 db f9 ff 85 c0 48 8b 4d c8 75 10 48 89 4b 08 e9 40 ff ff ff 0f 1f 80 00 00 00 00 <0f> 0b eb fe 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 RIP [<ffffffffa02756d0>] btrfs_delayed_update_inode+0x120/0x130 [btrfs] RSP <ffff8807ea0ddbb8> ---[ end trace a90b454752c77b8a ]--- Just prior to this, lots of these: ------------[ cut here ]------------ WARNING: at fs/btrfs/inode.c:2194 btrfs_orphan_commit_root+0xb0/0xc0 [btrfs]() Hardware name: H8DGT Modules linked in: btrfs zlib_deflate ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 serio_raw pcspkr amd64_edac_mod edac_core edac_mce_amd i2c_piix4 i2c_core igb dca sg ses enclosure ext4 mbcache jbd2 sd_mod crc_t10dif ata_generic pata_acpi pata_atiixp ahci libahci megaraid_sas dm_mod [last unloaded: scsi_wait_scan] Pid: 5445, comm: kworker/14:0 Tainted: G W 3.0.0 #5 Call Trace: [<ffffffff8106000f>] warn_slowpath_common+0x7f/0xc0 [<ffffffff8106006a>] warn_slowpath_null+0x1a/0x20 [<ffffffffa022f240>] btrfs_orphan_commit_root+0xb0/0xc0 [btrfs] [<ffffffffa022a835>] commit_fs_roots+0xc5/0x1b0 [btrfs] [<ffffffffa022b8ee>] btrfs_commit_transaction+0x40e/0x850 [btrfs] [<ffffffff81059e5f>] ? dequeue_task_fair+0x20f/0x220 [<ffffffff8100a78b>] ? __switch_to+0x12b/0x320 [<ffffffff810825d0>] ? wake_up_bit+0x40/0x40 [<ffffffffa022c000>] ? btrfs_end_transaction+0x20/0x20 [btrfs] [<ffffffffa022c01f>] do_async_commit+0x1f/0x30 [btrfs] [<ffffffff8107b971>] process_one_work+0x131/0x450 [<ffffffff8107d51c>] worker_thread+0x17c/0x3c0 [<ffffffff8107d3a0>] ? manage_workers+0x220/0x220 [<ffffffff81081f56>] kthread+0x96/0xa0 [<ffffffff81540004>] kernel_thread_helper+0x4/0x10 [<ffffffff81081ec0>] ? kthread_worker_fn+0x1a0/0x1a0 [<ffffffff81540000>] ? gs_change+0x13/0x13 ---[ end trace a90b454752c77b80 ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
