Hello, We have been getting some of these in dmesg:
[33957.472633] ------------[ cut here ]------------ [33957.472681] WARNING: CPU: 1 PID: 22758 at fs/btrfs/qgroup.c:1408 btrfs_delayed_qgroup_accounting+0x540/0xe40() [33957.472738] Modules linked in: cpuid nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack serio_raw microcode [33957.472821] CPU: 1 PID: 22758 Comm: btrfs-cleaner Tainted: G W I 3.17.0-rc6-backup5001-00216-g02f130a #5 [33957.472878] Hardware name: empty empty/S5393, BIOS V1.05 04/24/2009 [33957.472915] 0000000000000009 ffff880004a1fbf8 ffffffff817dd481 0000000000000000 [33957.472973] 0000000000000000 ffff880004a1fc38 ffffffff81084de7 ffff88010c5b4d18 [33957.473031] ffff88017939b658 ffff8801cacdd000 ffff880301baaee0 ffff8800bad15688 [33957.473090] Call Trace: [33957.473120] [<ffffffff817dd481>] dump_stack+0x46/0x58 [33957.473153] [<ffffffff81084de7>] warn_slowpath_common+0x87/0xb0 [33957.473186] [<ffffffff81084e25>] warn_slowpath_null+0x15/0x20 [33957.473219] [<ffffffff814026c0>] btrfs_delayed_qgroup_accounting+0x540/0xe40 [33957.473256] [<ffffffff8138fae8>] btrfs_run_delayed_refs+0x1f8/0x280 [33957.473324] [<ffffffff8139fcac>] btrfs_should_end_transaction+0x4c/0x70 [33957.473361] [<ffffffff8138e15a>] btrfs_drop_snapshot+0x41a/0x7f0 [33957.473397] [<ffffffff813f4db6>] ? btrfs_kill_all_delayed_nodes+0x56/0xf0 [33957.473433] [<ffffffff813a1852>] btrfs_clean_one_deleted_snapshot+0xb2/0x100 [33957.473469] [<ffffffff81398210>] cleaner_kthread+0x100/0x130 [33957.473502] [<ffffffff81398110>] ? btrfs_alloc_root+0x40/0x40 [33957.473544] [<ffffffff8109eb24>] kthread+0xc4/0xe0 [33957.473575] [<ffffffff8109ea60>] ? __kthread_parkme+0x80/0x80 [33957.473609] [<ffffffff817e37ac>] ret_from_fork+0x7c/0xb0 [33957.473645] [<ffffffff8109ea60>] ? __kthread_parkme+0x80/0x80 [33957.473681] ---[ end trace 2b8dc3f1ba7ad88b ]--- This seems to indicate a firmware issue, how do I tell which firmware? [33957.472821] CPU: 1 PID: 22758 Comm: btrfs-cleaner Tainted: G W I cat /proc/sys/kernel/tainted 2048 Thanks Kui.Z -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
