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000205_mgb@cyberdude.com_Sun Jun 17 14:20:08 EDT 2001.msg
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Article: 12523 of comp.protocols.kermit.misc
Path: newsmaster.cc.columbia.edu!panix!newsxfer.eecs.umich.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.skycache.com!Cidera!e420r-sjo4.usenetserver.com!news-out.usenetserver.com!e420r-sjo2.usenetserver.com.POSTED!not-for-mail
From: "Michael Barton" <mgb@cyberdude.com>
Newsgroups: comp.protocols.kermit.misc
Subject: My kermit locks up under Linux 7.1 - any suggestions?
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Date: Tue, 12 Jun 2001 17:41:16 -0600
Xref: newsmaster.cc.columbia.edu comp.protocols.kermit.misc:12523
I've tried both 7.0 and 7.1 of kermit (cku197 and cku199) - they both
exhibit the same behavior under RedHat's Linux 7.1, but both work just
fine under Redhat's Linux 6.2 and SGI's Irix 5.3. In all cases,
kermit was built using:
KFLAGS="-O2 -DTCP_NODELAY -DBIGBUFOK -DNODEBUG -DNOOLDMODEMS" make
linux (or irix53)
What happens is: I invoke kermit, then use the 'telnet' command to a
remote AIX system.
I can connnect just fine, and as long as I'm actively using the
connection, all seems well. However, if the connection is left idle
for an indeterminate period of time (maybe 3 minutes...) then kermit
locks up HARD. I can't ctl-C, ctl-\, or enter any sequence of
characters that resumes processing. the only thing that works is
closing the XTerm window.
Perhaps this info on the process will help:
perth-root$ cat /proc/1110/maps
08048000-0819a000 r-xp 00000000 03:06 132945 /usr/local/bin/kermit
0819a000-081d6000 rw-p 00151000 03:06 132945 /usr/local/bin/kermit
081d6000-08348000 rwxp 00000000 00:00 0
40000000-40016000 r-xp 00000000 03:06 350715 /lib/ld-2.2.2.so
40016000-40017000 rw-p 00015000 03:06 350715 /lib/ld-2.2.2.so
40017000-40018000 rw-p 00000000 00:00 0
40018000-40019000 rw-p 00000000 00:00 0
40019000-4001a000 rw-p 00000000 00:00 0
4001a000-40024000 r-xp 00000000 03:06 350749
/lib/libnss_files-2.2.2.so
40024000-40025000 rw-p 00009000 03:06 350749
/lib/libnss_files-2.2.2.so
4002e000-40064000 r-xp 00000000 03:06 223362
/usr/lib/libncurses.so.5.2
40064000-4006d000 rw-p 00035000 03:06 223362
/usr/lib/libncurses.so.5.2
4006d000-40070000 rw-p 00000000 00:00 0
40070000-4007f000 r-xp 00000000 03:06 350762
/lib/libresolv-2.2.2.so
4007f000-40080000 rw-p 0000e000 03:06 350762
/lib/libresolv-2.2.2.so
40080000-40083000 rw-p 00000000 00:00 0
40083000-40089000 r-xp 00000000 03:06 350726
/lib/libcrypt-2.2.2.so
40089000-4008a000 rw-p 00005000 03:06 350726
/lib/libcrypt-2.2.2.so
4008a000-400b1000 rw-p 00000000 00:00 0
400b1000-400d4000 r-xp 00000000 03:06 414399
/lib/i686/libm-2.2.2.so
400d4000-400d5000 rw-p 00022000 03:06 414399
/lib/i686/libm-2.2.2.so
400d5000-401fb000 r-xp 00000000 03:06 414397
/lib/i686/libc-2.2.2.so
401fb000-40201000 rw-p 00125000 03:06 414397
/lib/i686/libc-2.2.2.so
40201000-40205000 rw-p 00000000 00:00 0
40205000-40236000 rw-p 00000000 00:00 0
40236000-4027d000 rw-p 00000000 00:00 0
4027d000-4030b000 rw-p 00000000 00:00 0
bfffb000-c0000000 rwxp ffffc000 00:00 0
perth-root$ cat /proc/1110/stat
1110 (kermit) S 14740 1110 14740 34825 1110 0 321 0 346 0 1 1 0 0 9 0
0 0 34118862 6320128 614 4294967295 134512640 135893952 3221223672
3221217808 1075534094 0 0 14982 134758401 3222546150 0 0 17 0
perth-root$ cat /proc/1110/status
Name: kermit
State: S (sleeping)
Pid: 1110
PPid: 14740
TracerPid: 0
Uid: 500 500 500 500
Gid: 500 500 500 500
FDSize: 32
Groups: 500
VmSize: 6172 kB
VmLck: 0 kB
VmRSS: 2456 kB
VmData: 2736 kB
VmStk: 20 kB
VmExe: 1352 kB
VmLib: 1744 kB
SigPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000000003a86
SigCgt: 0000000008084001
CapInh: 0000000000000000
CapPrm: 0000000000000000
CapEff: 0000000000000000
perth-root$ cat /proc/1110/statm
614 614 286 142 0 472 328
perth-root$ cat /proc/1110/stat
1110 (kermit) S 14740 1110 14740 34825 1110 0 321 0 346 0 1 1 0 0 9 0
0 0 34118862 6320128 614 4294967295 134512640 135893952 3221223672
3221217808 1075534094 0 0 14982 134758401 3222546150 0 0 17 0
Any suggestions?
Michael