Hi Andy,
Thanks a lot!
Best regards!
ZHANG Zhiming
Yunshan Networks
From: Andy Zhou
Date: 2016-03-02 04:22
To: zhangzhiming
CC: discuss
Subject: Re: Re: [ovs-discuss] Could someone tell me how to shorten recovery
time after a bonded port failed?
On Tue, Mar 1, 2016 at 6:19 AM
Hi Andy,
Could you help me answer another question?
Have you tested the performance of OVS with an extra bridge and patch port?
Thanks!
Best regards!
ZHANG Zhiming
Yunshan Networks
From: ZHANG Zhiming
Date: 2016-02-26 09:56
To: Andy Zhou
CC: discuss
Subject: Re: Re: [ovs-discuss] Could
Hi Andy,
Perfect! This also give me a hint for solving other problems.
Thank you very much!
Best regards!
ZHANG Zhiming
Yunshan Networks
From: Andy Zhou
Date: 2016-02-26 05:24
To: zhangzhiming
CC: discuss
Subject: Re: [ovs-discuss] Could someone tell me how to shorten recovery time
after
Thanks a lot!
ZHANG Zhiming
Yunshan Networks
发件人： ZHANG Zhiming
发送时间： 2016-02-23 21:35
收件人： discuss
主题： One question about ofport number of a bond port and learned output port
number
Hi,
Could someone tell me how to shorten recovery time after a bonded port failed?
When two physical ports
utput:NXM_OF_IN_PORT[])
If all packets from a vm named VM1 are transmitted on eth0, when eth0 failed,
the lacp can detect the failure quickly,
while the learned flows need to be updated after receiving a new arp packet
from the physical port eth1.
Z
Hi Ben,
Thanks again!
It's necessary for me to update to latest version.
Best regards,
ZHANG Zhiming
Yunshan Networks
From: Ben Pfaff
Date: 2015-12-24 14:39
To: ZHANG Zhiming
CC: discuss
Subject: Re: Re: [ovs-discuss] Where is the document for some matching fields
and actions
On Thu
Hi Ben,
Thanks for your help!
Does it mean that no future works are planned for the document of NXM fields?
Another field named metadata also cannot be found in document.
Best regards,
ZHANG Zhiming
Yunshan Networks
From: Ben Pfaff
Date: 2015-12-24 05:21
To: ZHANG Zhiming
CC: discuss
Hi，
Recently, I found some matching fields or actions of OVS are used in
openstack, but no documents are found in 'man ovs-ofctl', 'man ovs-appctl' or
'man ovs-dpctl' etc.
Such as arp_op=1, load:2->NXM_OF_IN_PORT[].
Could someone help me find o
Hi,
Is it a bug of Linux kernel?
https://bugs.centos.org/view.php?id=8191
ZHANG Zhiming
Yunshan Networks
发件人： ZHANG Zhiming
发送时间： 2015-12-06 20:35
收件人： discuss
主题： 回复: Could someone help me to confirm whether this is a bug of ovs or not?
Hi,
When I closed some offloadings of ovs bridge
loopback: off [fixed]
rx-fcs: off [fixed]
rx-all: off [fixed]
tx-vlan-stag-hw-insert: off [fixed]
rx-vlan-stag-hw-parse: off [fixed]
rx-vlan-stag-filter: off [fixed]
ZHANG Zhiming
Yunshan Networks
发件人： ZHANG Zhiming
发送时间： 2015-12-06 20:10
收件人： discuss
主题： Could someone help me to confirm
] [] ? fib_table_lookup+0x2e6/0x390
[ 6676.521708] [] SYSC_sendto+0x121/0x1c0
[ 6676.521711] [] ? __schedule+0x2d8/0x7b0
[ 6676.521713] [] SyS_sendto+0xe/0x10
[ 6676.521715] [] system_call_fastpath+0x16/0x1b
[ 6676.521716] ---[ end trace 9eb243d0b823fed8 ]---
ZHANG Zhiming
Yunshan
Hi Gross,
That works!
Thank you very much!
Best regards,
ZHANG Zhiming
Yunshan Networks
From: Jesse Gross
Date: 2015-11-09 20:20
To: zhangzhiming
CC: discuss
Subject: Re: [ovs-discuss] ipfix leads to kernel crash
This is the relevant commit:
https://github.com/openvswitch/ovs/commit
Hi Gross,
Thank you very much.
You save me so much time.
The version of OVS may not be changed due to some reasons. So I have to fix it
on versoin 2.31.
Could you tell me which patch solved this bug?
I checked a commit logs, and found no clues.
Best regards,
ZHANG Zhiming
Yunshan Networks
Hi,
Could someone help me check this kernel crash?
I set ipfix to send report to a collector, and the kernel crashed after several
hours.
Thanks!
ovs-vsctl (Open vSwitch) 2.3.1
Compiled Aug 11 2015 05:18:30
DB Schema 7.6.2
kernel version:
3.10.0-123.el7.x86_64
crash> bt
PID: 1614 TASK:
Hi，Andy,
Thanks for your response.
We did some local changes to Linux kernel and OVS.
I will do more tests to narrow it down according to your advice, and let you
know if I have any further progress.
Thanks again!
ZHANG Zhiming
Yunshan Networks
From: Andy Zhou
Date: 2015-06-16 13:34
To
Hi, Andy,
Do you need any other information to figure out this problem?
ZHANG Zhiming
Yunshan Networks
From: Andy Zhou
Date: 2015-05-27 10:13
To: zhangzhiming
CC: Alex Wang; discuss
Subject: Re: Re: [ovs-discuss] one patch was omitted to be pushed to
branch-2.3---datapath: Fix recirc bug
Hi, Andy,
Could you reproduce this bug?
ZHANG Zhiming
Yunshan Networks
From: Andy Zhou
Date: 2015-05-27 10:13
To: zhangzhiming
CC: Alex Wang; discuss
Subject: Re: Re: [ovs-discuss] one patch was omitted to be pushed to
branch-2.3---datapath: Fix recirc bug where skb is double freed
On Sun
d:1.002s,
flags:P., actions:1
ZHANG Zhiming
Yunshan Networks
From: Andy Zhou
Date: 2015-05-27 10:13
To: zhangzhiming
CC: Alex Wang; discuss
Subject: Re: Re: [ovs-discuss] one patch was omitted to be pushed to
branch-2.3---datapath: Fix recirc bug where skb is double freed
On Sun, May 24,
p;rwlock);
+}
/* Rebalancing. */
@@ -1203,7 +1213,7 @@ bond_rebalance(struct bond *bond)
}
if (use_recirc && rebalanced) {
-bond_update_post_recirc_rules(bond,true);
+bond_update_post_recirc_rules__(bond,true);
}
done:
--
1.9.1
ZHANG Zhiming
Yunsha
nopl 0x0(%rax,%rax,1)
0xa04862b8 :mov%rbx,%rdi
0xa04862bb :callq 0x814c06f0
0xa04862c0 :mov%r12d,%eax
0xa04862c3 :jmp0xa0486298
0xa04862c5 :callq 0xffff8105dc20
<__stack_c
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