>Number: 152525
>Category: bin
>Synopsis: ntpd on 8.1 loops on select() with EBADF
>Confidential: no
>Severity: serious
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Nov 23 11:10:07 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: pluknet
>Release: 8.1-RELEASE-p1 amd64
>Organization:
>Environment:
FreeBSD host 8.1-RELEASE-p1 FreeBSD 8.1-RELEASE-p1 #4: Thu Sep 23 08:30:18 UTC
2010 r...@host:/usr/obj/usr/src/sys/YYY amd64
>Description:
This is repeatedly observed many times.
2581 root 1 118 0 11736K 3532K CPU6 6 60.7H 100.00% ntpd
# ntpq -p
localhost: timed out, nothing received
***Request timed out
`/etc/rc.d/ntpd restart` make it work. What can be the reason ?
2581 ntpd CALL select(0x420,0x7fffffffec20,0,0,0)
2581 ntpd RET select -1 errno 9 Bad file descriptor
2581 ntpd CALL stat(0x7fffffffe100,0x7fffffffe080)
2581 ntpd NAMI "/usr/share/nls/C/libc.cat"
2581 ntpd RET stat -1 errno 2 No such file or directory
2581 ntpd CALL stat(0x7fffffffe100,0x7fffffffe080)
2581 ntpd NAMI "/usr/share/nls/libc/C"
2581 ntpd RET stat -1 errno 2 No such file or directory
2581 ntpd CALL stat(0x7fffffffe100,0x7fffffffe080)
2581 ntpd NAMI "/usr/local/share/nls/C/libc.cat"
2581 ntpd RET stat -1 errno 2 No such file or directory
2581 ntpd CALL stat(0x7fffffffe100,0x7fffffffe080)
2581 ntpd NAMI "/usr/local/share/nls/libc/C"
2581 ntpd RET stat -1 errno 2 No such file or directory
2581 ntpd CALL clock_gettime(0xd,0x7fffffffd7e0)
2581 ntpd RET clock_gettime 0
2581 ntpd CALL getpid
2581 ntpd RET getpid 2581/0xa15
2581 ntpd CALL sendto(0x3,0x7fffffffd870,0x43,0,0,0)
2581 ntpd GIO fd 3 wrote 67 bytes
"<99>Nov 17 18:14:17 ntpd[2581]: select() error: Bad file descriptor"
2581 ntpd RET sendto 67/0x43
>How-To-Repeat:
Wait several day until ntpd starts to loop in select().
>Fix:
`/etc/rc.d/ntpd restart` make it work.
>Release-Note:
>Audit-Trail:
>Unformatted:
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