Details
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Bug
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Resolution: Fixed
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Major
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None
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Lustre 1.8.8
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None
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Server: 1.8.8-wc1
Client: 1.8.8-wc1
OS : RHEL Server release 5.8 (Tikanga)
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4
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6875
Description
Customer experienced an issue with file locking.
This case is the same as LU-1126.
Please increase priority to release a patch.
This is customer with payed Lustre support for env. size of 8 OSS.
Example traceback:
Jul 30 08:19:54 skpriu01b kernel: LustreError: 2427:0:(ldlm_lock.c:599:ldlm_lock_decref_internal_nolock()) ASSERTION(loc
k->l_readers > 0) failed
Jul 30 08:19:54 skpriu01b kernel: LustreError: 2427:0:(ldlm_lock.c:599:ldlm_lock_decref_internal_nolock()) LBUG
Jul 30 08:19:54 skpriu01b kernel: Pid: 2427, comm: PNetTNetServer.
Jul 30 08:19:54 skpriu01b kernel:
Jul 30 08:19:54 skpriu01b kernel: Call Trace:
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff885b86a1>] libcfs_debug_dumpstack+0x51/0x60 [libcfs]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff885b8bda>] lbug_with_loc+0x7a/0xd0 [libcfs]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff885c0fc0>] tracefile_init+0x0/0x110 [libcfs]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff886e261f>] ldlm_lock_decref_internal_nolock+0x7f/0xe0 [ptlrpc]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff8870a9a9>] ldlm_process_flock_lock+0x1779/0x18a0 [ptlrpc]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff8860b33d>] LNetMDUnlink+0xcd/0xf0 [lnet]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff886e0d59>] ldlm_grant_lock+0x4e9/0x550 [ptlrpc]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff8870b5db>] ldlm_flock_completion_ast+0xa0b/0xaf0 [ptlrpc]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff886e4709>] ldlm_lock_enqueue+0x9d9/0xb20 [ptlrpc]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff886fcc6b>] ldlm_cli_enqueue_fini+0xa5b/0xbc0 [ptlrpc]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff8867565d>] class_handle_hash+0x16d/0x250 [obdclass]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff8008ee72>] default_wake_function+0x0/0xe
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff886fe7af>] ldlm_cli_enqueue+0x63f/0x700 [ptlrpc]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff888e258f>] ll_file_flock+0x57f/0x680 [lustre]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff8870abd0>] ldlm_flock_completion_ast+0x0/0xaf0 [ptlrpc]
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff8000ce04>] do_path_lookup+0x294/0x310
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff80039cb2>] fcntl_setlk+0x11e/0x273
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff8008ee72>] default_wake_function+0x0/0xe
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff8002e1d8>] sys_fcntl+0x269/0x2dc
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff800fef39>] compat_sys_fcntl64+0x222/0x381
Jul 30 08:19:54 skpriu01b kernel: [<ffffffff800614b5>] sysenter_do_call+0x1e/0x76
Jul 30 08:19:54 skpriu01b kernel: