> -----Original Message----- > From: devel-bounces@xxxxxxxxxxxxxxxxxxxxxxx [mailto:devel- > bounces@xxxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Michal Schmidt > Sent: Wednesday, September 15, 2010 8:03 PM > To: devel@xxxxxxxxxxxxxxxxxxxxxxx > Subject: Re: Problem with 2.6.35.4-12.fc14.x86_64 > > On Wed, 15 Sep 2010 17:44:47 +0200 Morten P.D. Stevens wrote: > > Does anyone know something about this issue? > >[...] > > =================================================== > > [ INFO: suspicious rcu_dereference_check() usage. ] > > --------------------------------------------------- > > kernel/sched.c:616 invoked rcu_dereference_check() without > protection! > > Try kernel >= 2.6.35.4-21 from Koji. It has this change Hi Michael, The same problem with the newest 2.6.35.4-28.fc14.x86_64 kernel. =================================================== [ INFO: suspicious rcu_dereference_check() usage. ] --------------------------------------------------- include/linux/cgroup.h:542 invoked rcu_dereference_check() without protection! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 0 1 lock held by swapper/1: #0: (net_mutex){+.+.+.}, at: [<ffffffff813e9010>] register_pernet_subsys+0x1f/0x47 stack backtrace: Pid: 1, comm: swapper Not tainted 2.6.35.4-28.fc14.x86_64 #1 Call Trace: [<ffffffff8107bd3a>] lockdep_rcu_dereference+0xaa/0xb3 [<ffffffff813e04b9>] sock_update_classid+0x7c/0xa2 [<ffffffff813e054a>] sk_alloc+0x6b/0x77 [<ffffffff8140b281>] __netlink_create+0x37/0xab [<ffffffff813f941c>] ? rtnetlink_rcv+0x0/0x2d [<ffffffff8140cee1>] netlink_kernel_create+0x74/0x19d [<ffffffff8149c3ca>] ? __mutex_lock_common+0x339/0x35b [<ffffffff813f7e9c>] rtnetlink_net_init+0x2e/0x48 [<ffffffff813e8d7a>] ops_init+0xe9/0xff [<ffffffff813e8f0d>] register_pernet_operations+0xab/0x130 [<ffffffff813e901f>] register_pernet_subsys+0x2e/0x47 [<ffffffff81db7bca>] rtnetlink_init+0x53/0x102 [<ffffffff81db835c>] netlink_proto_init+0x126/0x143 [<ffffffff81db8236>] ? netlink_proto_init+0x0/0x143 [<ffffffff810021b8>] do_one_initcall+0x72/0x186 [<ffffffff81d78ebc>] kernel_init+0x23b/0x2c9 [<ffffffff8100aae4>] kernel_thread_helper+0x4/0x10 [<ffffffff8149e2d0>] ? restore_args+0x0/0x30 [<ffffffff81d78c81>] ? kernel_init+0x0/0x2c9 [<ffffffff8100aae0>] ? kernel_thread_helper+0x0/0x10 Best regards, Morten -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel