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Internal error at xfs_trans_cancel

To: xfs@xxxxxxxxxxx
Subject: Internal error at xfs_trans_cancel
From: Avi Kivity <avi@xxxxxxxxxxxx>
Date: Thu, 31 Mar 2016 19:32:59 +0300
Delivered-to: xfs@xxxxxxxxxxx
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User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1
Saw this nice gift this morning:

[2121372.825904] XFS (dm-10): Internal error xfs_trans_cancel at line 1007 of file fs/xfs/xfs_trans.c. Caller xfs_create+0x40e/0x710 [xfs] [2121372.827209] CPU: 0 PID: 32020 Comm: java Tainted: G W ------------ 3.10.0-327.10.1.el7.x86_64 #1 [2121372.828529] Hardware name: /DH77EB, BIOS EBH7710H.86A.0099.2013.0125.1400 01/25/2013 [2121372.829873] ffff8807b2b11e80 00000000470753cc ffff88031058bb48 ffffffff816352cc [2121372.831232] ffff88031058bb60 ffffffffa084be5b ffffffffa085b7ee ffff88031058bb88 [2121372.832542] ffffffffa0866909 ffff88014a2f3b80 ffff8807f29a2800 0000000000000000
[2121372.833850] Call Trace:
[2121372.835125]  [<ffffffff816352cc>] dump_stack+0x19/0x1b
[2121372.836397]  [<ffffffffa084be5b>] xfs_error_report+0x3b/0x40 [xfs]
[2121372.837654]  [<ffffffffa085b7ee>] ? xfs_create+0x40e/0x710 [xfs]
[2121372.838915]  [<ffffffffa0866909>] xfs_trans_cancel+0xd9/0x100 [xfs]
[2121372.840178]  [<ffffffffa085b7ee>] xfs_create+0x40e/0x710 [xfs]
[2121372.841444]  [<ffffffffa0857d8b>] xfs_vn_mknod+0xbb/0x250 [xfs]
[2121372.842683]  [<ffffffffa0857f53>] xfs_vn_create+0x13/0x20 [xfs]
[2121372.843887]  [<ffffffff811eacdd>] vfs_create+0xcd/0x130
[2121372.845103]  [<ffffffff811ec36f>] do_last+0xbef/0x1270
[2121372.846324]  [<ffffffff811ee6d2>] path_openat+0xc2/0x490
[2121372.847538]  [<ffffffff811efda2>] ? user_path_at_empty+0x72/0xc0
[2121372.848746]  [<ffffffff811efe9b>] do_filp_open+0x4b/0xb0
[2121372.849917]  [<ffffffff811fca27>] ? __alloc_fd+0xa7/0x130
[2121372.851090]  [<ffffffff811dd843>] do_sys_open+0xf3/0x1f0
[2121372.852227]  [<ffffffff811dd95e>] SyS_open+0x1e/0x20
[2121372.853356]  [<ffffffff81645a49>] system_call_fastpath+0x16/0x1b
[2121372.854486] XFS (dm-10): xfs_do_force_shutdown(0x8) called from line 1008 of file fs/xfs/xfs_trans.c. Return address = 0xffffffffa0866922

Filesystem appeared full, but after a reboot (critical server) it went back down to 420GB free. I did not spend a lot of time analyzing this as I needed the machine back up, unfortunately.

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