Hi,
I get the following messages when I reboot my system :
Is it a misconfiguration problem ?
Another question : Can we use SLOB with rt ? apparently I can't anymore !
kernel 2.6.16 + rt16
--
Serge Noiraud
nfsd: last server has exited
nfsd: unexporting all filesystems
BUG: using smp_processor_id() in preemptible [00000000] code: nfsd/6145
caller is drain_array_locked+0x1f/0xd0
[<c0104496>] show_trace+0x26/0x30 (20)
[<c01045e3>] dump_stack+0x23/0x30 (20)
[<c0291aeb>] debug_smp_processor_id+0xab/0xc0 (32)
[<c017782f>] drain_array_locked+0x1f/0xd0 (44)
[<c01760dd>] drain_cpu_caches+0x8d/0xc0 (44)
[<c0176206>] __cache_shrink+0x26/0xc0 (40)
[<c0176372>] kmem_cache_destroy+0x72/0x1e0 (28)
[<f8b9e3d8>] nfsd4_free_slab+0x28/0x60 [nfsd] (24)
[<f8b9e427>] nfsd4_free_slabs+0x17/0x40 [nfsd] (12)
[<f8ba281c>] nfs4_state_shutdown+0x1c/0x30 [nfsd] (8)
[<f8b8369b>] nfsd+0x32b/0x350 [nfsd] (68)
[<c0101545>] kernel_thread_helper+0x5/0x10 (161480732)
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c0291aa0>] .... debug_smp_processor_id+0x60/0xc0
.....[<c017782f>] .. ( <= drain_array_locked+0x1f/0xd0)
------------------------------
| showing all locks held by: | (nfsd/6145 [f6cfb070, 116]):
------------------------------
#001: [f8bb5cc4] {client_sema.lock}
... acquired at: rt_down+0x1e/0x40
#002: [c0422164] {kernel_sem.lock}
... acquired at: rt_down+0x1e/0x40
#003: [c207b6c0] {mm/slab.c:150}
... acquired at: drain_cpu_caches+0x64/0xc0
#004: [f6b61c6c] {&parent->list_lock}
... acquired at: drain_cpu_caches+0x6f/0xc0
BUG: nfsd:6145 task might have lost a preemption check!
[<c0104496>] show_trace+0x26/0x30 (20)
[<c01045e3>] dump_stack+0x23/0x30 (20)
[<c012174f>] preempt_enable_no_resched+0x5f/0x70 (20)
[<c0291af0>] debug_smp_processor_id+0xb0/0xc0 (32)
[<c017782f>] drain_array_locked+0x1f/0xd0 (44)
[<c01760dd>] drain_cpu_caches+0x8d/0xc0 (44)
[<c0176206>] __cache_shrink+0x26/0xc0 (40)
[<c0176372>] kmem_cache_destroy+0x72/0x1e0 (28)
[<f8b9e3d8>] nfsd4_free_slab+0x28/0x60 [nfsd] (24)
[<f8b9e427>] nfsd4_free_slabs+0x17/0x40 [nfsd] (12)
[<f8ba281c>] nfs4_state_shutdown+0x1c/0x30 [nfsd] (8)
[<f8b8369b>] nfsd+0x32b/0x350 [nfsd] (68)
[<c0101545>] kernel_thread_helper+0x5/0x10 (161480732)
---------------------------
| preempt count: 00000000 ]
| 0-level deep critical section nesting:
----------------------------------------
------------------------------
| showing all locks held by: | (nfsd/6145 [f6cfb070, 59]):
------------------------------
#001: [f8bb5cc4] {client_sema.lock}
... acquired at: rt_down+0x1e/0x40
#002: [c0422164] {kernel_sem.lock}
... acquired at: rt_down+0x1e/0x40
#003: [c207b6c0] {mm/slab.c:150}
... acquired at: drain_cpu_caches+0x64/0xc0
#004: [f6b61c6c] {&parent->list_lock}
... acquired at: drain_cpu_caches+0x6f/0xc0
BUG: using smp_processor_id() in preemptible [00000000] code: nfsd/6145
caller is drain_array_locked+0x1f/0xd0
[<c0104496>] show_trace+0x26/0x30 (20)
[<c01045e3>] dump_stack+0x23/0x30 (20)
[<c0291aeb>] debug_smp_processor_id+0xab/0xc0 (32)
[<c017782f>] drain_array_locked+0x1f/0xd0 (44)
[<c01760dd>] drain_cpu_caches+0x8d/0xc0 (44)
[<c0176206>] __cache_shrink+0x26/0xc0 (40)
[<c0176372>] kmem_cache_destroy+0x72/0x1e0 (28)
[<f8b9e3d8>] nfsd4_free_slab+0x28/0x60 [nfsd] (24)
[<f8b9e433>] nfsd4_free_slabs+0x23/0x40 [nfsd] (12)
[<f8ba281c>] nfs4_state_shutdown+0x1c/0x30 [nfsd] (8)
[<f8b8369b>] nfsd+0x32b/0x350 [nfsd] (68)
[<c0101545>] kernel_thread_helper+0x5/0x10 (161480732)
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c0291aa0>] .... debug_smp_processor_id+0x60/0xc0
.....[<c017782f>] .. ( <= drain_array_locked+0x1f/0xd0)
------------------------------
| showing all locks held by: | (nfsd/6145 [f6cfb070, 115]):
------------------------------
#001: [f8bb5cc4] {client_sema.lock}
... acquired at: rt_down+0x1e/0x40
#002: [c0422164] {kernel_sem.lock}
... acquired at: rt_down+0x1e/0x40
#003: [c20cb6c0] {mm/slab.c:150}
... acquired at: drain_cpu_caches+0x64/0xc0
#004: [f7229c6c] {&parent->list_lock}
... acquired at: drain_cpu_caches+0x6f/0xc0
BUG: using smp_processor_id() in preemptible [00000000] code: nfsd/6145
caller is drain_array_locked+0x1f/0xd0
[<c0104496>] show_trace+0x26/0x30 (20)
[<c01045e3>] dump_stack+0x23/0x30 (20)
[<c0291aeb>] debug_smp_processor_id+0xab/0xc0 (32)
[<c017782f>] drain_array_locked+0x1f/0xd0 (44)
[<c01760dd>] drain_cpu_caches+0x8d/0xc0 (44)
[<c0176206>] __cache_shrink+0x26/0xc0 (40)
[<c0176372>] kmem_cache_destroy+0x72/0x1e0 (28)
[<f8b9e3d8>] nfsd4_free_slab+0x28/0x60 [nfsd] (24)
[<f8b9e43f>] nfsd4_free_slabs+0x2f/0x40 [nfsd] (12)
[<f8ba281c>] nfs4_state_shutdown+0x1c/0x30 [nfsd] (8)
[<f8b8369b>] nfsd+0x32b/0x350 [nfsd] (68)
[<c0101545>] kernel_thread_helper+0x5/0x10 (161480732)
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c0291aa0>] .... debug_smp_processor_id+0x60/0xc0
.....[<c017782f>] .. ( <= drain_array_locked+0x1f/0xd0)
------------------------------
| showing all locks held by: | (nfsd/6145 [f6cfb070, 116]):
------------------------------
#001: [f8bb5cc4] {client_sema.lock}
... acquired at: rt_down+0x1e/0x40
#002: [c0422164] {kernel_sem.lock}
... acquired at: rt_down+0x1e/0x40
#003: [c207b6c0] {mm/slab.c:150}
... acquired at: drain_cpu_caches+0x64/0xc0
#004: [f7229bec] {&parent->list_lock}
... acquired at: drain_cpu_caches+0x6f/0xc0
BUG: using smp_processor_id() in preemptible [00000000] code: nfsd/6145
caller is drain_array_locked+0x1f/0xd0
[<c0104496>] show_trace+0x26/0x30 (20)
[<c01045e3>] dump_stack+0x23/0x30 (20)
[<c0291aeb>] debug_smp_processor_id+0xab/0xc0 (32)
[<c017782f>] drain_array_locked+0x1f/0xd0 (44)
[<c01760dd>] drain_cpu_caches+0x8d/0xc0 (44)
[<c0176206>] __cache_shrink+0x26/0xc0 (40)
[<c0176372>] kmem_cache_destroy+0x72/0x1e0 (28)
[<f8b9e3d8>] nfsd4_free_slab+0x28/0x60 [nfsd] (24)
[<f8b9e44b>] nfsd4_free_slabs+0x3b/0x40 [nfsd] (12)
[<f8ba281c>] nfs4_state_shutdown+0x1c/0x30 [nfsd] (8)
[<f8b8369b>] nfsd+0x32b/0x350 [nfsd] (68)
[<c0101545>] kernel_thread_helper+0x5/0x10 (161480732)
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<c0291aa0>] .... debug_smp_processor_id+0x60/0xc0
.....[<c017782f>] .. ( <= drain_array_locked+0x1f/0xd0)
------------------------------
| showing all locks held by: | (nfsd/6145 [f6cfb070, 118]):
------------------------------
#001: [f8bb5cc4] {client_sema.lock}
... acquired at: rt_down+0x1e/0x40
#002: [c0422164] {kernel_sem.lock}
... acquired at: rt_down+0x1e/0x40
#003: [c20cb6c0] {mm/slab.c:150}
... acquired at: drain_cpu_caches+0x64/0xc0
#004: [f7229b6c] {&parent->list_lock}
... acquired at: drain_cpu_caches+0x6f/0xc0
Synchronizing SCSI cache for disk sda:
Restarting system.
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