If ovsdb-server is not running and I try to start single ovs-vswitchd
instance without any init scripts, then I am still seeing 100% CPU
utilization and multiple ovs-vswitchd instances in "ps" output. Still
trying to understand what is going on...
aatteka@aatteka-MacBookPro:~/openvswitch$ ps -Af | grep ovs-vs
root 8187 26324 0 14:38 pts/3 00:00:00 sudo ovs-vswitchd
unix:/var/run/openvswitch/db.sock -vconsole:emer -vsyslog:err -vfile:info
--mlockall --no-chdir --log-file=/var/log/openvswitch/ovs-vswitchd.log
--pidfile=/var/run/openvswitch/ovs-vswitchd.pid --detach --monitor
root 8188 8187 0 14:38 pts/3 00:00:00 ovs-vswitchd
unix:/var/run/openvswitch/db.sock -vconsole:emer -vsyslog:err -vfile:info
--mlockall --no-chdir --log-file=/var/log/openvswitch/ovs-vswitchd.log
--pidfile=/var/run/openvswitch/ovs-vswitchd.pid --detach --monitor
root 8189 8188 0 14:38 ? 00:00:00 ovs-vswitchd
unix:/var/run/openvswitch/db.sock -vconsole:emer -vsyslog:err -vfile:info
--mlockall --no-chdir --log-file=/var/log/openvswitch/ovs-vswitchd.log
--pidfile=/var/run/openvswitch/ovs-vswitchd.pid --detach --monitor
root 8190 8189 87 14:38 ? 00:01:43 ovs-vswitchd
unix:/var/run/openvswitch/db.sock -vconsole:emer -vsyslog:err -vfile:info
--mlockall --no-chdir --log-file=/var/log/openvswitch/ovs-vswitchd.log
--pidfile=/var/run/openvswitch/ovs-vswitchd.pid --detach --monitor
root 8191 8190 0 14:38 ? 00:00:00 ovs-vswitchd: worker
process for pid
8190
aatteka 8219 26488 0 14:40 pts/4 00:00:00 grep --color=auto ovs-vs
aatteka@aatteka-MacBookPro:~/openvswitch$ top
top - 14:41:50 up 4:47, 6 users, load average: 1.31, 1.18, 1.14
Tasks: 224 total, 2 running, 222 sleeping, 0 stopped, 0 zombie
%Cpu(s): 4.1 us, 2.1 sy, 0.0 ni, 93.1 id, 0.6 wa, 0.0 hi, 0.1 si,
0.0 st
KiB Mem: 8087432 total, 4069712 used, 4017720 free, 277992 buffers
KiB Swap: 8298492 total, 0 used, 8298492 free, 1593760 cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
COMMAND
8190 root 20 0 23288 6796 6180 R 104.1 0.1 3:03.01
ovs-vswitchd
...
On Thu, Apr 11, 2013 at 2:03 PM, Ben Pfaff <b...@nicira.com> wrote:
> If the database was empty, that is, it did not even contain an Open_vSwitch
> top-level configuration record, at ovs-vswitchd startup time, then
> OVS failed to detach and used 100% CPU. This commit fixes the problem.
>
> This problem was introduced by commit 63ff04e82623e765 (bridge: Only
> complete daemonization after db commits initial config.).
>
> This problem did not manifest if the initscripts supplied with Open vSwitch
> were used, because those initscripts always initialize the database before
> starting ovs-vswitchd, so this problem affects only users with hand-rolled
> local OVS startup scripts.
>
> Bug #16090.
> Reported-by: Pravin Shelar <pshe...@nicira.com>
> Tested-by: Pravin Shelar <pshe...@nicira.com>
> Reported-by: Paul Ingram <p...@nicira.com>
> Reported-by: Amre Shakimov <ashaki...@vmware.com>
> Signed-off-by: Ben Pfaff <b...@nicira.com>
> ---
> AUTHORS | 1 +
> vswitchd/bridge.c | 34 +++++++++++++++++-----------------
> 2 files changed, 18 insertions(+), 17 deletions(-)
>
> diff --git a/AUTHORS b/AUTHORS
> index 07dce20..e3568bd 100644
> --- a/AUTHORS
> +++ b/AUTHORS
> @@ -103,6 +103,7 @@ Alex Yip a...@nicira.com
> Alexey I. Froloff ra...@altlinux.org
> Amar Padmanabhan a...@nicira.com
> Amey Bhide abh...@nicira.com
> +Amre Shakimov ashaki...@vmware.com
> André Ruß andre.r...@hybris.com
> Andreas Beckmann deb...@abeckmann.de
> Atzm Watanabe a...@stratosphere.co.jp
> diff --git a/vswitchd/bridge.c b/vswitchd/bridge.c
> index 1fcf547..09f98d5 100644
> --- a/vswitchd/bridge.c
> +++ b/vswitchd/bridge.c
> @@ -2269,25 +2269,25 @@ bridge_run(void)
> }
>
> if (reconfiguring) {
> - if (cfg) {
> - if (!reconf_txn) {
> - reconf_txn = ovsdb_idl_txn_create(idl);
> - }
> - if (bridge_reconfigure_continue(cfg)) {
> + if (!reconf_txn) {
> + reconf_txn = ovsdb_idl_txn_create(idl);
> + }
> +
> + if (bridge_reconfigure_continue(cfg ? cfg : &null_cfg)) {
> + reconfiguring = false;
> +
> + if (cfg) {
> ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
> - reconfiguring = false;
> -
> - /* If we are completing our initial configuration for
> this run
> - * of ovs-vswitchd, then keep the transaction around to
> monitor
> - * it for completion. */
> - if (!initial_config_done) {
> - initial_config_done = true;
> - daemonize_txn = reconf_txn;
> - reconf_txn = NULL;
> - }
> }
> - } else {
> - bridge_reconfigure_continue(&null_cfg);
> +
> + /* If we are completing our initial configuration for this run
> + * of ovs-vswitchd, then keep the transaction around to
> monitor
> + * it for completion. */
> + if (!initial_config_done) {
> + initial_config_done = true;
> + daemonize_txn = reconf_txn;
> + reconf_txn = NULL;
> + }
> }
> }
>
> --
> 1.7.2.5
>
> _______________________________________________
> dev mailing list
> dev@openvswitch.org
> http://openvswitch.org/mailman/listinfo/dev
>
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