On 28 August 2014 10:34, Pravin Shelar <pshe...@nicira.com> wrote: > <snip> > > This is weird. I could not reproduce this on newer kernel. But I found > related bug. Can you try attached patch? It may be related. > I will submit formal patch later. > > --Pravin. >
This patch doesn't fix the issue. Another slight variation I've seen in dmesg: [19921.489585] INFO: task revalidator11:11397 blocked for more than 120 seconds. [19921.489596] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [19921.489607] revalidator11 D ffff88011fd13780 0 11397 1 0x00000000 [19921.489621] ffff88011805f080 0000000000000086 ffff880000000000 ffff88011aec4780 [19921.489635] 0000000000013780 ffff880107b35fd8 ffff880107b35fd8 ffff88011805f080 [19921.489649] ffff880107b35ab8 0000000100000286 ffffffff8135049f ffffffff8165c0f0 [19921.489663] Call Trace: [19921.489677] [<ffffffff8135049f>] ? _raw_spin_unlock_irqrestore+0xe/0xf [19921.489691] [<ffffffff8134fa44>] ? __mutex_lock_common.isra.5+0xff/0x164 [19921.489704] [<ffffffff8134f932>] ? mutex_lock+0x1a/0x2d [19921.489719] [<ffffffff812af40c>] ? netlink_trim+0x13/0x7a [19921.489733] [<ffffffff812b1178>] ? genl_rcv+0xe/0x28 [19921.489748] [<ffffffff812b0929>] ? netlink_unicast+0xe6/0x14e [19921.489763] [<ffffffff812b0c05>] ? netlink_sendmsg+0x274/0x2ac [19921.489775] [<ffffffff81108b29>] ? __pollwait+0xce/0xce [19921.489789] [<ffffffff81280011>] ? sock_sendmsg+0xc1/0xde [19921.489802] [<ffffffff81108b29>] ? __pollwait+0xce/0xce [19921.489816] [<ffffffff8104b2ce>] ? current_fs_time+0x31/0x37 [19921.489831] [<ffffffff8110ce69>] ? file_update_time+0xda/0x105 [19921.489844] [<ffffffff8134f144>] ? _cond_resched+0x7/0x1c [19921.489997] [<ffffffff81036628>] ? should_resched+0x5/0x23 [19921.490015] [<ffffffff8134f144>] ? _cond_resched+0x7/0x1c [19921.490031] [<ffffffff812894a8>] ? copy_from_user+0x18/0x30 [19921.490043] [<ffffffff81036628>] ? should_resched+0x5/0x23 [19921.490060] [<ffffffff812802c7>] ? ___sys_sendmsg+0x209/0x2a9 [19921.490076] [<ffffffff810fa820>] ? do_sync_read+0xb4/0xec [19921.490091] [<ffffffff810fc0b3>] ? fget_light+0x67/0x7b [19921.490105] [<ffffffff81281c37>] ? __sys_sendmsg+0x39/0x58 [19921.490120] [<ffffffff81355452>] ? system_call_fastpath+0x16/0x1b _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
