[FS#4225] logread starts before interface is up (Attachment added)
openwrt-bugs at lists.openwrt.org
Wed Jan 12 23:05:59 PST 2022
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A new Flyspray task has been opened. Details are below.
User who did this - Harry Martin (systemdlete)
Attached to Project - OpenWrt/LEDE Project
Summary - logread starts before interface is up
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To -
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Supply the following if possible:
- Device problem occurs on
- Software versions of OpenWrt/LEDE release, packages, etc.
- Steps to reproduce
openwrt 21.02.1 on x86_64 (virtualbox)
interfaces are all Intel Pro/1000 T Server 82543GC
logread is configured to forward messages to a syslog server
It seems as if logread forwarding starts before it is able to actually send messages to the syslog server, resulting in lost messages. This is important as the syslog server generates monitoring information, including status of all interfaces on the router. The loss of early interface messages means that the monitoring does not get a full picture of the status of these devices.
I have attached a log of the console output from the router bootup.
I have also attached a log of the messages received by the syslog server.
Interestingly, other routers forward their messages to the same syslog server and yet none of those routers' messages are dropped. These routers have nearly identical configuations too.
Incidentally, a google search reveals that this was previously logged on the old openwrt bug tracker at [[https://dev.archive.openwrt.org/ticket/13861.html|External Link]].
Additionally, a similar bug was logged against logread at [[https://github.com/josefbacik/busybox/issues/4.|External Link]].
One or more files have been attached.
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