[libvirt] Terminal input “udevadm trigger” command,then produce “nl_recv returned with error:No buffer space available”
xiajidong at cmss.chinamobile.com
xiajidong at cmss.chinamobile.com
Tue Sep 4 12:50:55 UTC 2018
Dear libvirt experts,
I have add some patch as follow.this two patch add buffer size to avoid to
produce “nl_recv returned with error:No buffer space available”
1. libvirt-nodedev-Increase-the-netlink-socket-buffer-size-to-t.patch
2. libvirt-util-increase-libnl-buffer-size.patch
but as I set some configuration in /etc/libvirt/libvitd.conf as follows
# Logging level: 4 errors, 3 warnings, 2 information, 1 debug
log_level =2
# Multiple outputs can be defined, they just need to be separated by spaces.
# e.g. to log all warnings and errors to syslog under the libvirtd ident:
log_outputs="2:syslog:libvirtd"
when I input “udevadm trigger” command
[root at localhost ~]# vi /etc/libvirt/libvirtd.conf
[root at localhost ~]# systemctl restart libvirtd
[root at localhost ~]# udevadm trigger
[root at localhost ~]# udevadm trigger
[root at localhost ~]# udevadm trigger
[root at localhost ~]#
then will produce “nl_recv returned with error:No buffer space available”
[root at localhost ~]# tail -f /var/log/messages | grep buffer
Sep 2 22:44:00 localhost libvirtd: 4004: error :
virNetlinkEventCallback:699 : nl_recv returned with error: No buffer space
available
Sep 2 23:11:33 localhost libvirtd: 4004: error :
virNetlinkEventCallback:699 : nl_recv returned with error: No buffer space
available
Sep 2 23:11:45 localhost libvirtd: 4004: error :
virNetlinkEventCallback:699 : nl_recv returned with error: No buffer space
available
So my question is:
When input “udevadm trigger” in terminal, if setting log_level and
log_outputs="2:syslog:libvirtd",how to avoid to produce “error
virNetlinkEventCallback:699 : nl_recv returned with error: No buffer space
available” log information?
I am looking forward to your reply.
_____
Best Regards,
Jidong Xia
China Mobile (Suzhou) Software Technology Company.cloud computing product
department
Tel: (+86) 18896726087
E-Mail:xiajidong at cmss.chinamobile.com
<mailto:xiajidong at cmss.chinamobile.com>
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