Details
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Bug
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Resolution: Fixed
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Critical
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None
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None
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I hit the following ASSERT() several times on client-side during LFSCK performance testing:
{code}
LustreError: 16887:0:(lu_object.c:1199:lu_device_fini()) ASSERTION( t->ldt_device_nr > 0 ) failed:
LustreError: 16887:0:(lu_object.c:1199:lu_device_fini()) LBUG
Pid: 16887, comm: umount
Call Trace:
[<ffffffffa03fc895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
[<ffffffffa03fce97>] lbug_with_loc+0x47/0xb0 [libcfs]
[<ffffffffa0589434>] lu_device_fini+0x84/0xc0 [obdclass]
[<ffffffffa0b8e778>] lov_device_free+0x38/0x250 [lov]
[<ffffffffa058d1fe>] lu_stack_fini+0x7e/0xc0 [obdclass]
[<ffffffffa0593b8e>] cl_stack_fini+0xe/0x10 [obdclass]
[<ffffffffa117ce8d>] cl_sb_fini+0x6d/0x190 [lustre]
[<ffffffffa1140364>] client_common_put_super+0x54/0x9f0 [lustre]
[<ffffffffa1140e16>] ll_put_super+0x116/0x500 [lustre]
[<ffffffffa116e6e3>] ? ll_destroy_inode+0xc3/0x100 [lustre]
[<ffffffff8119d03f>] ? destroy_inode+0x2f/0x60
[<ffffffff8119d50c>] ? dispose_list+0xfc/0x120
[<ffffffff8119d906>] ? invalidate_inodes+0xf6/0x190
[<ffffffff8118366b>] generic_shutdown_super+0x5b/0xe0
[<ffffffff81183756>] kill_anon_super+0x16/0x60
[<ffffffffa057f2fa>] lustre_kill_super+0x4a/0x60 [obdclass]
[<ffffffff81183ef7>] deactivate_super+0x57/0x80
[<ffffffff811a21ef>] mntput_no_expire+0xbf/0x110
[<ffffffff811a2c5b>] sys_umount+0x7b/0x3a0
[<ffffffff8100b072>] system_call_fastpath+0x16/0x1b
Kernel panic - not syncing: LBUG
{code}
During the test, I mount multiple logic clients on the same node, and create in parallel, and then umount all of them after the create. LFSCK patches do not touch client-side code. So I do not know it is LFSCK patches caused the issue, but it is blocking the LFSCK performance test.
Jay, would you please give some look when you have time? Thanks!I hit the following ASSERT() several times on client-side during LFSCK performance testing: {code} LustreError: 16887:0:(lu_object.c:1199:lu_device_fini()) ASSERTION( t->ldt_device_nr > 0 ) failed: LustreError: 16887:0:(lu_object.c:1199:lu_device_fini()) LBUG Pid: 16887, comm: umount Call Trace: [<ffffffffa03fc895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs] [<ffffffffa03fce97>] lbug_with_loc+0x47/0xb0 [libcfs] [<ffffffffa0589434>] lu_device_fini+0x84/0xc0 [obdclass] [<ffffffffa0b8e778>] lov_device_free+0x38/0x250 [lov] [<ffffffffa058d1fe>] lu_stack_fini+0x7e/0xc0 [obdclass] [<ffffffffa0593b8e>] cl_stack_fini+0xe/0x10 [obdclass] [<ffffffffa117ce8d>] cl_sb_fini+0x6d/0x190 [lustre] [<ffffffffa1140364>] client_common_put_super+0x54/0x9f0 [lustre] [<ffffffffa1140e16>] ll_put_super+0x116/0x500 [lustre] [<ffffffffa116e6e3>] ? ll_destroy_inode+0xc3/0x100 [lustre] [<ffffffff8119d03f>] ? destroy_inode+0x2f/0x60 [<ffffffff8119d50c>] ? dispose_list+0xfc/0x120 [<ffffffff8119d906>] ? invalidate_inodes+0xf6/0x190 [<ffffffff8118366b>] generic_shutdown_super+0x5b/0xe0 [<ffffffff81183756>] kill_anon_super+0x16/0x60 [<ffffffffa057f2fa>] lustre_kill_super+0x4a/0x60 [obdclass] [<ffffffff81183ef7>] deactivate_super+0x57/0x80 [<ffffffff811a21ef>] mntput_no_expire+0xbf/0x110 [<ffffffff811a2c5b>] sys_umount+0x7b/0x3a0 [<ffffffff8100b072>] system_call_fastpath+0x16/0x1b Kernel panic - not syncing: LBUG {code} During the test, I mount multiple logic clients on the same node, and create in parallel, and then umount all of them after the create. LFSCK patches do not touch client-side code. So I do not know it is LFSCK patches caused the issue, but it is blocking the LFSCK performance test. Jay, would you please give some look when you have time? Thanks!
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