[Cluster-devel] Bug on dlm

[Jordi Prats]

Hi,
I've found this while starting my server. It's a F7 with the latest 
version avaliable.

Hope this helps :)

Jordi

Jul 26 23:52:51 inf18 kernel: dlm: rgmanager: recover 1
Jul 26 23:52:51 inf18 kernel: dlm: rgmanager: add member 2
Jul 26 23:52:51 inf18 kernel: dlm: rgmanager: total members 1 error 0
Jul 26 23:52:51 inf18 kernel: dlm: rgmanager: dlm_recover_directory
Jul 26 23:52:51 inf18 kernel: dlm: rgmanager: dlm_recover_directory 0 
entries
Jul 26 23:52:51 inf18 kernel:
Jul 26 23:52:51 inf18 kernel: =====================================
Jul 26 23:52:51 inf18 kernel: [ BUG: bad unlock balance detected! ]
Jul 26 23:52:51 inf18 kernel: -------------------------------------
Jul 26 23:52:51 inf18 kernel: dlm_recoverd/2963 is trying to release 
lock (&ls->ls_in_recovery) at:
Jul 26 23:52:51 inf18 kernel: [<ee67b874>] dlm_recoverd+0x265/0x433 [dlm]
Jul 26 23:52:51 inf18 kernel: but there are no more locks to release!
Jul 26 23:52:51 inf18 kernel:
Jul 26 23:52:51 inf18 kernel: other info that might help us debug this:
Jul 26 23:52:51 inf18 kernel: 2 locks held by dlm_recoverd/2963:
Jul 26 23:52:51 inf18 kernel:  #0:  (&ls->ls_recoverd_active){....}, at: 
[<c11f9e7d>] mutex_lock+0x21/0x24
Jul 26 23:52:51 inf18 kernel:  #1:  (&ls->ls_recover_lock){....}, at: 
[<ee67b84d>] dlm_recoverd+0x23e/0x433 [dlm]
Jul 26 23:52:51 inf18 kernel:
Jul 26 23:52:51 inf18 kernel: stack backtrace:
Jul 26 23:52:51 inf18 kernel:  [<c1005e4a>] show_trace_log_lvl+0x1a/0x2f
Jul 26 23:52:51 inf18 kernel:  [<c10063fc>] show_trace+0x12/0x14
Jul 26 23:52:51 inf18 kernel:  [<c1006480>] dump_stack+0x16/0x18
Jul 26 23:52:51 inf18 kernel:  [<c1037321>] 
print_unlock_inbalance_bug+0xec/0xf9
Jul 26 23:52:51 inf18 kernel:  [<c10381e6>] 
lock_release_non_nested+0x95/0x150
Jul 26 23:52:51 inf18 kernel:  [<c10383ed>] lock_release+0x14c/0x189
Jul 26 23:52:51 inf18 kernel:  [<c1033bfc>] up_write+0x16/0x2b
Jul 26 23:52:51 inf18 kernel:  [<ee67b874>] dlm_recoverd+0x265/0x433 [dlm]
Jul 26 23:52:52 inf18 kernel:  [<c1030e47>] kthread+0xb3/0xdc
Jul 26 23:52:52 inf18 kernel:  [<c1005967>] kernel_thread_helper+0x7/0x10
Jul 26 23:52:52 inf18 kernel:  =======================
Jul 26 23:52:52 inf18 kernel: dlm: rgmanager: recover 1 done: 4 ms
Jul 26 23:53:00 inf18 clurgmgrd[2949]: <notice> Resource Group Manager 
Starting

-- 
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         __
        / /          Jordi Prats
  C E / S / C A      Dept. de Sistemes
      /_/            Centre de Supercomputació de Catalunya

  Gran Capità, 2-4 (Edifici Nexus) · 08034 Barcelona
  T. 93 205 6464 · F.  93 205 6979 · jprats at cesca.es
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