Messages in this thread | | | Date | Mon, 7 Jun 2010 14:14:25 -0400 | Subject | 2.6.35-rc2-git1 - include/linux/cgroup.h:534 invoked rcu_dereference_check() without protection! | From | Miles Lane <> |
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Hi All,
I just reproduced a warning I reported quite a while ago. Is a patch for this in the pipeline?
[ 0.167267] [ INFO: suspicious rcu_dereference_check() usage. ] [ 0.167396] --------------------------------------------------- [ 0.167526] include/linux/cgroup.h:534 invoked rcu_dereference_check() without protection! [ 0.167728] [ 0.167729] other info that might help us debug this: [ 0.167731] [ 0.168092] [ 0.168093] rcu_scheduler_active = 1, debug_locks = 1 [ 0.168337] no locks held by watchdog/0/5. [ 0.168462] [ 0.168463] stack backtrace: [ 0.168704] Pid: 5, comm: watchdog/0 Not tainted 2.6.35-rc2-git1 #8 [ 0.168834] Call Trace: [ 0.168965] [<ffffffff81064e9c>] lockdep_rcu_dereference+0x9d/0xa5 [ 0.169100] [<ffffffff8102c1ce>] task_subsys_state+0x59/0x70 [ 0.169232] [<ffffffff8103189b>] __sched_setscheduler+0x19d/0x2f8 [ 0.169365] [<ffffffff8102a5ef>] ? need_resched+0x1e/0x28 [ 0.169497] [<ffffffff813c7d01>] ? schedule+0x586/0x619 [ 0.169628] [<ffffffff81081c33>] ? watchdog+0x0/0x8c [ 0.169758] [<ffffffff81031a11>] sched_setscheduler+0xe/0x10 [ 0.169889] [<ffffffff81081c5d>] watchdog+0x2a/0x8c [ 0.170010] [<ffffffff81081c33>] ? watchdog+0x0/0x8c [ 0.170141] [<ffffffff81054a82>] kthread+0x89/0x91 [ 0.170274] [<ffffffff81003054>] kernel_thread_helper+0x4/0x10 [ 0.170405] [<ffffffff813ca480>] ? restore_args+0x0/0x30 [ 0.170536] [<ffffffff810549f9>] ? kthread+0x0/0x91 [ 0.170667] [<ffffffff81003050>] ? kernel_thread_helper+0x0/0x10 [ 0.176751] lockdep: fixing up alternatives. -- 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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