On Thu, Mar 24, 2016 at 06:54:11PM -0400, Dave Jones wrote: > Just hit this on a tree from earlier this morning, v4.5-11140 or so. > > WARNING: CPU: 2 PID: 32570 at fs/btrfs/inode.c:9261 > btrfs_destroy_inode+0x389/0x3f0 [btrfs] > CPU: 2 PID: 32570 Comm: rm Not tainted 4.5.0-think+ #14 > ffffffffc039baf9 00000000ef721ef0 ffff88025966fc08 ffffffff8957bcdb > 0000000000000000 0000000000000000 ffff88025966fc50 ffffffff890b41f1 > ffff88045d918040 0000242d4eed6048 ffff88024eed6048 ffff88024eed6048 > Call Trace: > [<ffffffffc039baf9>] ? btrfs_destroy_inode+0x389/0x3f0 [btrfs] > [<ffffffff8957bcdb>] dump_stack+0x68/0x9d > [<ffffffff890b41f1>] __warn+0x111/0x130 > [<ffffffff890b43fd>] warn_slowpath_null+0x1d/0x20 > [<ffffffffc039baf9>] btrfs_destroy_inode+0x389/0x3f0 [btrfs] > [<ffffffff89352307>] destroy_inode+0x67/0x90 > [<ffffffff893524e7>] evict+0x1b7/0x240 > [<ffffffff893529be>] iput+0x3ae/0x4e0 > [<ffffffff8934c93e>] ? dput+0x20e/0x460 > [<ffffffff8933ee26>] do_unlinkat+0x256/0x440 > [<ffffffff8933ebd0>] ? do_rmdir+0x350/0x350 > [<ffffffff890031e7>] ? syscall_trace_enter_phase1+0x87/0x260 > [<ffffffff89003160>] ? enter_from_user_mode+0x50/0x50 > [<ffffffff8913c3b5>] ? __lock_is_held+0x25/0xd0 > [<ffffffff891411f2>] ? mark_held_locks+0x22/0xc0 > [<ffffffff890034ed>] ? syscall_trace_enter_phase2+0x12d/0x3d0 > [<ffffffff893400b0>] ? SyS_rmdir+0x20/0x20 > [<ffffffff893400cb>] SyS_unlinkat+0x1b/0x30 > [<ffffffff89003ac4>] do_syscall_64+0xf4/0x240 > [<ffffffff89d520da>] entry_SYSCALL64_slow_path+0x25/0x25 > ---[ end trace a48ce4e6a1b5e409 ]--- > > > That's WARN_ON(BTRFS_I(inode)->csum_bytes); > > *maybe* it's a bad disk, but there's no indication in dmesg of anything awry. > Spinning rust on SATA, nothing special.
Same WARN_ON is reachable from umount too.. WARNING: CPU: 2 PID: 20092 at fs/btrfs/inode.c:9261 btrfs_destroy_inode+0x40c/0x480 [btrfs] CPU: 2 PID: 20092 Comm: umount Tainted: G W 4.5.0-think+ #1 00000000ffffffff 00000000a32c482b ffff8803cd187b60 ffffffff9d63af84 0000000000000000 0000000000000000 ffffffffc05c5e40 ffffffffc04d316c ffff8803cd187ba8 ffffffff9d0c4c27 ffff880460d80040 0000242dcd187bb0 Call Trace: [<ffffffff9d63af84>] dump_stack+0x95/0xe1 [<ffffffffc04d316c>] ? btrfs_destroy_inode+0x40c/0x480 [btrfs] [<ffffffff9d0c4c27>] __warn+0x147/0x170 [<ffffffff9d0c4e91>] warn_slowpath_null+0x31/0x40 [<ffffffffc04d316c>] btrfs_destroy_inode+0x40c/0x480 [btrfs] [<ffffffffc04d2d60>] ? btrfs_test_destroy_inode+0x40/0x40 [btrfs] [<ffffffff9d3bf7e7>] destroy_inode+0x77/0xb0 [<ffffffff9d3bfa2e>] evict+0x20e/0x2c0 [<ffffffff9d3bfb50>] dispose_list+0x70/0xb0 [<ffffffff9d3c14ef>] evict_inodes+0x26f/0x2c0 [<ffffffff9d3c1280>] ? inode_add_lru+0x60/0x60 [<ffffffff9d40baa5>] ? fsnotify_unmount_inodes+0x215/0x2c0 [<ffffffff9d38e336>] generic_shutdown_super+0x76/0x1c0 [<ffffffff9d38e899>] kill_anon_super+0x29/0x40 [<ffffffffc044c421>] btrfs_kill_super+0x31/0x130 [btrfs] [<ffffffff9d38ec1f>] deactivate_locked_super+0x6f/0xb0 [<ffffffff9d38f2c9>] deactivate_super+0x99/0xb0 [<ffffffff9d3c8610>] cleanup_mnt+0x70/0xd0 [<ffffffff9d3c86db>] __cleanup_mnt+0x1b/0x20 [<ffffffff9d103d1f>] task_work_run+0xef/0x130 [<ffffffff9d0023c9>] exit_to_usermode_loop+0xf9/0x100 [<ffffffff9d004068>] do_syscall_64+0x238/0x2b0 [<ffffffff9df3831a>] entry_SYSCALL64_slow_path+0x25/0x25 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
