Messages in this thread | | | Date | Tue, 8 Aug 2006 11:46:40 -0700 | From | "Robert Crocombe" <> | Subject | Re: [Patch] restore the RCU callback to defer put_task_struct() Re: Problems with 2.6.17-rt8 |
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On 8/7/06, hui Bill Huey <billh@gnuppy.monkey.org> 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 rcrocomb@gmail.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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