kern/170630: garbled syslog messages

Frederique Rijsdijk frederique at
Tue Aug 14 09:10:11 UTC 2012

>Number:         170630
>Category:       kern
>Synopsis:       garbled syslog messages
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Aug 14 09:10:10 UTC 2012
>Originator:     Frederique Rijsdijk
>Release:        7.4, 8.x, 9.x, 32-bit, 64-bit
Net Ground B.V.
FreeBSD 8.1-RELEASE-p6 FreeBSD 8.1-RELEASE-p6 #0: Wed Nov 23 15:41:03 CET 2011     root at  amd64

FreeBSD 7.4-RELEASE-p3 FreeBSD 7.4-RELEASE-p3 #0: Tue Sep 27 14:47:23 UTC 2011     root at  i386

FreeBSD 8.3-RELEASE-p3 FreeBSD 8.3-RELEASE-p3 #0: Tue Jun 12 00:39:29 UTC 2012     root at  amd64

FreeBSD 8.1-RELEASE-p5 FreeBSD 8.1-RELEASE-p5 #0: Tue Sep 27 16:49:00 UTC 2011     root at  amd64

I see these kind of 'garbled' logging on various servers, various versions and archs:

<<1110>10>iippffww::  65600 500A cAccecpetp tU DP U8D7.P2 5807..125404..61i4:p4f49w5:.0 69 :6865020.68043 .2A4c3 c6e.p82t01 .U28D4:P.5 23837 6.o.2ut52 01v2i:.5a13 4 4io.g6ubt0 :

<<<11101>110i0>a1> pi7fg6b9w0 :

<<111010> >0.8645.0203 6Ac.c2ep1t 2U:5D3P  8ou7t .v2i5a0. 1i4g4b.06

<<1101>1i0>pifpwf:w : 68006 80D0 eDneyn y UUDDPP  119944..113344..4411..1122::560877110  8877..225500..114444..1100::5533  iinn  vviiaa  iiggbb00

<<110>1710>.295:02.11 4i4n. 1v0i:a2 1i gibn0 

No idea honstly, also cannot find a common factor for this issue. But almost every admin has seen it I think. I've seen them as long as I can remember.
Some have suggested to compile this into the kernel:

options         PRINTF_BUFR_SIZE=128

. but I'd rather keep running GENERIC kernels (freebsd-update)


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