Dave, in my environment, VPP is running as a separate process in a container.
I see the below 3 lines in /var/log/messages.
vnet 1356 - - dpdk_ipsec_process:1026: not enough DPDK crypto resources,
default to OpenSSL
vnet 1356 - - received SIGTERM, exiting...
vnet 1356 - - unix_signal_handler:160: received signal SIGTERM, PC 0x3f110f3cce
But I don’t see anymore. Given that VPP is crashing while creating a tap
interface in my environment, I am expecting the clib_error_return_unix() logs
from the function vnet_netlink_msg_send() in the file
src/vnet/devices/netlink.c.
Is the syslog file mandatory to be present inside the container to capture the
VPP logs?
Thanks,
Leela sankar
From: "Dave Barach (dbarach)" <dbar...@cisco.com>
Date: Wednesday, December 11, 2019 at 10:39 AM
To: Leela Gudimetla <lgudi...@ciena.com>, "vpp-dev@lists.fd.io"
<vpp-dev@lists.fd.io>
Subject: RE: [**EXTERNAL**] RE: How to enable logs in VPP?
Did you look in the default system logfile /var/log/syslog? That’s the first
place I would look for clib_warning output.
The unix { log xxxx } stanza concerns logging of debug CLI commands, not
clib_warnings...
Dave
From: Gudimetla, Leela Sankar <lgudi...@ciena.com>
Sent: Wednesday, December 11, 2019 1:25 PM
To: Dave Barach (dbarach) <dbar...@cisco.com>; vpp-dev@lists.fd.io
Subject: Re: [**EXTERNAL**] RE: How to enable logs in VPP?
Thanks Dave for the response.
But I don’t see the syslog getting generated under /var/log/.
I am running VPP process as below.
vpp -c /etc/vpp.conf
And I have the unix section of vpp.conf file as below.
unix {
nodaemon
log /var/log/vpp.log
full-coredump
gid vpp
cli-listen localhost:5002
}
Am I missing something here to get the syslog generated? BTW I am running
stable 18_07.
Thanks,
Leela sankar
From: "Dave Barach (dbarach)" <dbar...@cisco.com<mailto:dbar...@cisco.com>>
Date: Wednesday, December 11, 2019 at 4:59 AM
To: Leela Gudimetla <lgudi...@ciena.com<mailto:lgudi...@ciena.com>>,
"vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>"
<vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>>
Subject: [**EXTERNAL**] RE: How to enable logs in VPP?
Make sure to check e.g. /var/log/syslog. Clib_warnings(...) are sent to syslog,
and end up in the system log. Search for “vnet”. Example:
Dec 11 07:37:56 vpp-n1 vnet[2977]: icmp6_router_solicitation:1811: Prefix
[REDACTED] valid 295722 preferred 295722
FWIW... Dave
From: vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>
<vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>> On Behalf Of Gudimetla, Leela
Sankar
Sent: Tuesday, December 10, 2019 5:35 PM
To: vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>
Subject: [vpp-dev] How to enable logs in VPP?
Hello,
I am looking for some information on how to enable error-logs, warnings, etc.
I see bunch of logging in the code like clib_error_xxx(), clib_warning_xxx(),
etc.
Can someone share how to enable these logs to capture to a file on the target?
Thanks,
Leela sankar
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