On 8/7/06, hui Bill Huey <[email protected]> wrote:
> I tested it with a "make -j4" which triggers the warning and it they all
> go away now.
>
> Reverse patch attached:
Unfortunately, this makes no difference on my setup. Patch applied,
made the obvious little change:
-#include <linux/dobject.h>
+#include <linux/kobject.h>
But:
kjournald/1119[CPU#1]: BUG in debug_rt_mutex_unlock at
kernel/rtmutex-debug.c:471
Call Trace:
<ffffffff804875c3>{_raw_spin_lock_irqsave+34}
<ffffffff8022cc37>{__WARN_ON+105}
<ffffffff8022cbf2>{__WARN_ON+36}
<ffffffff80248933>{debug_rt_mutex_unlock+204}
<ffffffff8048678f>{rt_lock_slowunlock+30}
<ffffffff80487306>{__lock_text_start+14}
<ffffffff8027942d>{kmem_cache_alloc+207}
<ffffffff8025b4d0>{mempool_alloc_slab+22}
<ffffffff8025b8bf>{mempool_alloc+80}
<ffffffff80209a6d>{mcount+45}
<ffffffff802832fe>{bio_alloc_bioset+40}
<ffffffff802833e6>{bio_clone+34}
<ffffffff803eb841>{make_request+1360}
<ffffffff804867b7>{rt_lock_slowunlock+70}
<ffffffff802fbbe8>{generic_make_request+380}
<ffffffff802fd301>{submit_bio+197}
<ffffffff8027fa71>{submit_bh+267}
<ffffffff80280c9f>{ll_rw_block+166}
<ffffffff802d19d7>{journal_commit_transaction+1016}
<ffffffff804856c8>{thread_return+230}
<ffffffff804856c8>{thread_return+230}
<ffffffff80248f5d>{constant_test_bit+9}
<ffffffff80487ad0>{_raw_spin_unlock+51}
<ffffffff804867b7>{rt_lock_slowunlock+70}
<ffffffff804856c8>{thread_return+230}
<ffffffff80487306>{__lock_text_start+14}
<ffffffff80235870>{try_to_del_timer_sync+90}
<ffffffff804856c8>{thread_return+230}
<ffffffff802d5fba>{kjournald+207}
<ffffffff80240047>{autoremove_wake_function+0}
<ffffffff802d5eeb>{kjournald+0}
<ffffffff8023fc04>{keventd_create_kthread+0}
<ffffffff8023ff09>{kthread+224}
<ffffffff802273de>{schedule_tail+210}
<ffffffff8020ae12>{child_rip+8}
<ffffffff8023fc04>{keventd_create_kthread+0}
<ffffffff804856c8>{thread_return+230}
<ffffffff804856c8>{thread_return+230}
<ffffffff804856c8>{thread_return+230}
<ffffffff8023fe29>{kthread+0}
<ffffffff8020ae0a>{child_rip+0}
---------------------------
| preempt count: 00000002 ]
| 2-level deep critical section nesting:
----------------------------------------
.. [<ffffffff804874df>] .... _raw_spin_lock+0x1b/0x28
.....[<ffffffff80486787>] .. ( <= rt_lock_slowunlock+0x16/0x70)
.. [<ffffffff804875c3>] .... _raw_spin_lock_irqsave+0x22/0x33
.....[<ffffffff8022cbf2>] .. ( <= __WARN_ON+0x24/0x8a)
kjournald/1119[CPU#1]: BUG in debug_rt_mutex_unlock at
kernel/rtmutex-debug.c:472
Call Trace:
<ffffffff804875c3>{_raw_spin_lock_irqsave+34}
<ffffffff8022cc37>{__WARN_ON+105}
<ffffffff8022cbf2>{__WARN_ON+36}
<ffffffff802489d5>{debug_rt_mutex_unlock+366}
<ffffffff8048678f>{rt_lock_slowunlock+30}
<ffffffff80487306>{__lock_text_start+14}
<ffffffff8027942d>{kmem_cache_alloc+207}
<ffffffff8025b4d0>{mempool_alloc_slab+22}
<ffffffff8025b8bf>{mempool_alloc+80}
<ffffffff80209a6d>{mcount+45}
<ffffffff802832fe>{bio_alloc_bioset+40}
<ffffffff802833e6>{bio_clone+34}
<ffffffff803eb841>{make_request+1360}
<ffffffff804867b7>{rt_lock_slowunlock+70}
<ffffffff802fbbe8>{generic_make_request+380}
<ffffffff802fd301>{submit_bio+197}
<ffffffff8027fa71>{submit_bh+267}
<ffffffff80280c9f>{ll_rw_block+166}
<ffffffff802d19d7>{journal_commit_transaction+1016}
<ffffffff804856c8>{thread_return+230}
<ffffffff804856c8>{thread_return+230}
<ffffffff80248f5d>{constant_test_bit+9}
<ffffffff80487ad0>{_raw_spin_unlock+51}
<ffffffff804867b7>{rt_lock_slowunlock+70}
<ffffffff804856c8>{thread_return+230}
<ffffffff80487306>{__lock_text_start+14}
<ffffffff80235870>{try_to_del_timer_sync+90}
<ffffffff804856c8>{thread_return+230}
<ffffffff802d5fba>{kjournald+207}
<ffffffff80240047>{autoremove_wake_function+0}
<ffffffff802d5eeb>{kjournald+0}
<ffffffff8023fc04>{keventd_create_kthread+0}
<ffffffff8023ff09>{kthread+224}
<ffffffff802273de>{schedule_tail+210}
<ffffffff8020ae12>{child_rip+8}
<ffffffff8023fc04>{keventd_create_kthread+0}
<ffffffff804856c8>{thread_return+230}
<ffffffff804856c8>{thread_return+230}
<ffffffff804856c8>{thread_return+230}
<ffffffff8023fe29>{kthread+0}
<ffffffff8020ae0a>{child_rip+0}
---------------------------
| preempt count: 00000002 ]
| 2-level deep critical section nesting:
----------------------------------------
.. [<ffffffff804874df>] .... _raw_spin_lock+0x1b/0x28
.....[<ffffffff80486787>] .. ( <= rt_lock_slowunlock+0x16/0x70)
.. [<ffffffff804875c3>] .... _raw_spin_lock_irqsave+0x22/0x33
.....[<ffffffff8022cbf2>] .. ( <= __WARN_ON+0x24/0x8a)
----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at kernel/rtmutex.c:639
invalid opcode: 0000 [1] PREEMPT SMP
CPU 1
Modules linked in: nfsd exportfs lockd sunrpc ohci1394 ieee1394 tg3
Pid: 1119, comm: kjournald Not tainted 2.6.17-rt8_local_02 #8
RIP: 0010:[<ffffffff80486908>] <ffffffff80486908>{rt_lock_slowlock+186}
RSP: 0018:ffff8105ea93b9e8 EFLAGS: 00010246
RAX: ffff810200220db0 RBX: 0000000000000010 RCX: 00000000000c0080
RDX: ffff810200220db0 RSI: ffffffff802793b2 RDI: ffff810200115ca0
RBP: ffff8105ea93baa8 R08: ffff8100011e5650 R09: ffff8105ea93b9e8
R10: ffff8100011e5650 R11: 0000000000000023 R12: ffff810200115ca0
R13: ffff810200031c40 R14: ffffffff802793b2 R15: 0000000000000010
FS: 00002b055e056480(0000) GS:ffff8102001e3340(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00000000005b755c CR3: 00000005e6e0b000 CR4: 00000000000006e0
Process kjournald (pid: 1119, threadinfo ffff8105ea93a000, task
ffff810200220db0)
Stack: 111111110000008c ffff8105ea93b9f0 ffff8105ea93b9f0 ffff8105ea93ba00
ffff8105ea93ba00 0000000000000000 111111110000008c ffff8105ea93ba20
ffff8105ea93ba20 ffff8105ea93ba30
Call Trace:
<ffffffff8048731a>{rt_lock+18}
<ffffffff802793b2>{kmem_cache_alloc+84}
<ffffffff8025b4d0>{mempool_alloc_slab+22}
<ffffffff8025b8bf>{mempool_alloc+80}
<ffffffff8028336d>{bio_alloc_bioset+151}
<ffffffff802833e6>{bio_clone+34}
<ffffffff803eb841>{make_request+1360}
<ffffffff804867b7>{rt_lock_slowunlock+70}
<ffffffff802fbbe8>{generic_make_request+380}
<ffffffff802fd301>{submit_bio+197}
<ffffffff8027fa71>{submit_bh+267}
<ffffffff80280c9f>{ll_rw_block+166}
<ffffffff802d19d7>{journal_commit_transaction+1016}
<ffffffff804856c8>{thread_return+230}
<ffffffff804856c8>{thread_return+230}
<ffffffff80248f5d>{constant_test_bit+9}
<ffffffff80487ad0>{_raw_spin_unlock+51}
<ffffffff804867b7>{rt_lock_slowunlock+70}
<ffffffff804856c8>{thread_return+230}
<ffffffff80487306>{__lock_text_start+14}
<ffffffff80235870>{try_to_del_timer_sync+90}
<ffffffff804856c8>{thread_return+230}
<ffffffff802d5fba>{kjournald+207}
<ffffffff80240047>{autoremove_wake_function+0}
<ffffffff802d5eeb>{kjournald+0}
<ffffffff8023fc04>{keventd_create_kthread+0}
<ffffffff8023ff09>{kthread+224}
<ffffffff802273de>{schedule_tail+210}
<ffffffff8020ae12>{child_rip+8}
<ffffffff8023fc04>{keventd_create_kthread+0}
<ffffffff804856c8>{thread_return+230}
<ffffffff804856c8>{thread_return+230}
<ffffffff804856c8>{thread_return+230}
<ffffffff8023fe29>{kthread+0}
<ffffffff8020ae0a>{child_rip+0}
---------------------------
| preempt count: 00000002 ]
| 2-level deep critical section nesting:
----------------------------------------
.. [<ffffffff804874df>] .... _raw_spin_lock+0x1b/0x28
.....[<ffffffff80486889>] .. ( <= rt_lock_slowlock+0x3b/0x213)
.. [<ffffffff80487898>] .... _raw_spin_trylock+0x1b/0x5f
.....[<ffffffff80488346>] .. ( <= oops_begin+0x28/0x77)
Code: 0f 0b 68 70 44 4c 80 c2 7f 02 65 48 8b 04 25 00 00 00 00 41
RIP <ffffffff80486908>{rt_lock_slowlock+186} RSP <ffff8105ea93b9e8>
Triggered by building a kernel.
--
Robert Crocombe
[email protected]
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