From: Dhaval Giani <dhaval@linux.vnet.ibm.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-kernel@vger.kernel.org,
Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
Mike Galbraith <efault@gmx.de>
Subject: Re: [PATCH 00/30] SMP-group balancer - take 3
Date: Mon, 30 Jun 2008 20:23:57 +0530 [thread overview]
Message-ID: <20080630145357.GA26809@linux.vnet.ibm.com> (raw)
In-Reply-To: <20080630125956.GD4011@elte.hu>
On Mon, Jun 30, 2008 at 02:59:56PM +0200, Ingo Molnar wrote:
>
> * Dhaval Giani <dhaval@linux.vnet.ibm.com> wrote:
>
> > Hi,
> >
> > I get this at bootup
> >
> > ------------[ cut here ]------------
> > WARNING: at kernel/lockdep.c:2738 check_flags+0x8a/0x12d()
> > Modules linked in:
> > Pid: 1, comm: swapper Not tainted 2.6.26-rc8-tip #5
>
> please check latest tip/master. This is the commit that should fix it:
>
Nope, does not :(. Still get,
------------[ cut here ]------------
WARNING: at kernel/lockdep.c:2662 check_flags+0x7c/0x10b()
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.26-rc8 #2
[<c0122a6d>] warn_on_slowpath+0x41/0x5d
[<c013ba0e>] ? find_usage_backwards+0xb4/0xd5
[<c013ba0e>] ? find_usage_backwards+0xb4/0xd5
[<c013ba0e>] ? find_usage_backwards+0xb4/0xd5
[<c013bc2b>] ? check_usage+0x23/0x58
[<c013bcd1>] ? check_prev_add_irq+0x71/0x85
[<c013be48>] ? check_prev_add+0x3b/0x17f
[<c013bfe6>] ? check_prevs_add+0x5a/0xb2
[<c013c0e8>] ? validate_chain+0xaa/0x29c
[<c013def5>] check_flags+0x7c/0x10b
[<c013dfb4>] lock_acquire+0x30/0x7e
[<c01187b2>] ? tg_shares_up+0x0/0x100
[<c01186b6>] walk_tg_tree+0x2c/0x96
[<c011868a>] ? walk_tg_tree+0x0/0x96
[<c0118907>] ? tg_nop+0x0/0x5
[<c011894e>] update_shares+0x42/0x4a
[<c011b87a>] try_to_wake_up+0x4c/0x11f
[<c011b95c>] wake_up_process+0xf/0x11
[<c01331b5>] kthread_create+0x6c/0x9c
[<c0130739>] ? worker_thread+0x0/0xd2
[<c024218c>] ? __spin_lock_init+0x24/0x47
[<c0130ceb>] create_workqueue_thread+0x2b/0x45
[<c0130739>] ? worker_thread+0x0/0xd2
[<c0130e3a>] __create_workqueue_key+0x115/0x14d
[<c05c8854>] ? kernel_init+0x0/0x93
[<c05d7594>] init_workqueues+0x4c/0x5d
[<c05c880d>] do_basic_setup+0x8/0x1e
[<c05c88ac>] kernel_init+0x58/0x93
[<c0104557>] kernel_thread_helper+0x7/0x10
=======================
---[ end trace 4eaa2a86a8e2da22 ]---
possible reason: unannotated irqs-on.
irq event stamp: 10216
hardirqs last enabled at (10215): [<c013e52b>]
debug_check_no_locks_freed+0x9d/0xa7
hardirqs last disabled at (10216): [<c0107f91>]
native_sched_clock+0x50/0xb8
softirqs last enabled at (9922): [<c0127171>] __do_softirq+0xdf/0xe6
softirqs last disabled at (9915): [<c01271b1>] do_softirq+0x39/0x51
--
regards,
Dhaval
next prev parent reply other threads:[~2008-06-30 14:54 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-27 11:41 [PATCH 00/30] SMP-group balancer - take 3 Peter Zijlstra
2008-06-27 11:41 ` [PATCH 01/30] sched: clean up some unused variables Peter Zijlstra
2008-06-27 11:41 ` [PATCH 02/30] sched: revert the revert of: weight calculations Peter Zijlstra
2008-06-30 18:07 ` Balbir Singh
2008-07-15 20:16 ` Peter Zijlstra
2008-06-27 11:41 ` [PATCH 03/30] sched: fix calc_delta_asym() Peter Zijlstra
2008-06-27 11:41 ` [PATCH 04/30] sched: fix calc_delta_asym Peter Zijlstra
2008-06-27 11:41 ` [PATCH 05/30] sched: revert revert of: fair-group: SMP-nice for group scheduling Peter Zijlstra
2008-06-27 11:41 ` [PATCH 06/30] sched: sched_clock_cpu() based cpu_clock() Peter Zijlstra
2008-06-27 11:41 ` [PATCH 07/30] sched: fix wakeup granularity and buddy granularity Peter Zijlstra
2008-06-27 11:41 ` [PATCH 08/30] sched: add full schedstats to /proc/sched_debug Peter Zijlstra
2008-06-27 11:41 ` [PATCH 09/30] sched: fix sched_domain aggregation Peter Zijlstra
2008-06-27 11:41 ` [PATCH 10/30] sched: update aggregate when holding the RQs Peter Zijlstra
2008-06-27 11:41 ` [PATCH 11/30] sched: kill task_group balancing Peter Zijlstra
2008-06-27 11:41 ` [PATCH 12/30] sched: dont micro manage share losses Peter Zijlstra
2008-06-27 11:41 ` [PATCH 13/30] sched: no need to aggregate task_weight Peter Zijlstra
2008-06-27 11:41 ` [PATCH 14/30] sched: simplify the group load balancer Peter Zijlstra
2008-06-27 11:41 ` [PATCH 15/30] sched: fix newidle smp group balancing Peter Zijlstra
2008-06-27 11:41 ` [PATCH 16/30] sched: fix sched_balance_self() " Peter Zijlstra
2008-06-27 11:41 ` [PATCH 17/30] sched: persistent average load per task Peter Zijlstra
2008-06-27 11:41 ` [PATCH 18/30] sched: hierarchical load vs affine wakeups Peter Zijlstra
2008-06-27 11:41 ` [PATCH 19/30] sched: hierarchical load vs find_busiest_group Peter Zijlstra
2008-06-27 11:41 ` [PATCH 20/30] sched: fix load scaling in group balancing Peter Zijlstra
2008-06-27 11:41 ` [PATCH 21/30] sched: fix task_h_load() Peter Zijlstra
2008-06-27 11:41 ` [PATCH 22/30] sched: remove prio preference from balance decisions Peter Zijlstra
2008-06-27 11:41 ` [PATCH 23/30] sched: optimize effective_load() Peter Zijlstra
2008-06-27 11:41 ` [PATCH 24/30] sched: disable source/target_load bias Peter Zijlstra
2008-06-27 11:41 ` [PATCH 25/30] sched: fix shares boost logic Peter Zijlstra
2008-06-27 11:41 ` [PATCH 26/30] sched: update shares on wakeup Peter Zijlstra
2008-06-27 11:41 ` [PATCH 27/30] sched: fix mult overflow Peter Zijlstra
2008-06-27 11:41 ` [PATCH 28/30] sched: correct wakeup weight calculations Peter Zijlstra
2008-06-27 11:41 ` [PATCH 29/30] sched: incremental effective_load() Peter Zijlstra
2008-06-27 11:41 ` [PATCH 30/30] sched: bias effective_load() error towards failing wake_affine() Peter Zijlstra
2008-06-27 12:46 ` [PATCH 00/30] SMP-group balancer - take 3 Ingo Molnar
2008-06-27 17:33 ` Dhaval Giani
2008-06-28 17:08 ` Dhaval Giani
2008-06-30 12:59 ` Ingo Molnar
2008-06-30 14:53 ` Dhaval Giani [this message]
2008-07-01 10:57 ` Dhaval Giani
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