Details
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Bug
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Resolution: Fixed
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Critical
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Lustre 2.13.0
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None
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3
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9223372036854775807
Description
So now that we have this test running, it appears it triggers some uninitialized spinlock:
[ 4227.178380] Lustre: DEBUG MARKER: == sanity test 413b: mkdir with balanced space usage ================================================= 23:36:35 (1562902595) [ 4227.257140] BUG: spinlock bad magic on CPU#2, mkdir/28359 [ 4227.258124] lock: 0xffff8800c4e27270, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 [ 4227.259569] CPU: 2 PID: 28359 Comm: mkdir Kdump: loaded Tainted: G OE ------------ 3.10.0-7.6-debug #5 [ 4227.261675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4227.262763] Call Trace: [ 4227.263346] [<ffffffff817b5bf2>] dump_stack+0x19/0x1b [ 4227.264336] [<ffffffff817b5cbe>] spin_bug+0xa1/0xa8 [ 4227.265252] [<ffffffff813fb6e1>] do_raw_spin_lock+0x61/0xa0 [ 4227.266322] [<ffffffff817bf97e>] _raw_spin_lock+0x1e/0x20 [ 4227.267524] [<ffffffffa07dd10b>] lmv_locate_tgt_rr+0x3b/0x19b [lmv] [ 4227.268604] [<ffffffffa07d7a12>] lmv_locate_tgt+0x2b2/0x300 [lmv] [ 4227.269586] [<ffffffffa07d7b17>] lmv_create+0xb7/0x6d0 [lmv] [ 4227.270465] [<ffffffff81120b62>] ? from_kgid+0x12/0x20 [ 4227.271117] [<ffffffffa0d746d9>] ? ll_prep_md_op_data+0x239/0x510 [lustre] [ 4227.272318] [<ffffffffa0d88c1f>] ll_new_node+0x21f/0xad0 [lustre] [ 4227.273590] [<ffffffffa0d89a0c>] ll_mkdir+0x8c/0x220 [lustre] [ 4227.275029] [<ffffffff81243347>] vfs_mkdir+0xb7/0x160 [ 4227.276032] [<ffffffff812496ff>] SyS_mkdirat+0x6f/0xe0 [ 4227.276872] [<ffffffff81249789>] SyS_mkdir+0x19/0x20 [ 4227.277619] [<ffffffff817cae15>] system_call_fastpath+0x1c/0x21 [ 4227.278378] [<ffffffff817cad61>] ? system_call_after_swapgs+0xae/0x146