To rule out a problem with the sshd, try communicating with it using the
ssh escape sequences (see "man ssh" for details) over your ssh session.
If the sshd and your connection to it are alive and healthy, pressing and
releasing the 3 keys "<enter>~?" one after the other will cause sshd to
immediately show a list of available escape sequences. This is assuming
that the "tilde" character is the escape character (as it is by default).
Regards,
Ron
On Thu, 6 Jul 2006, Ismet Kursunoglu wrote:
> I was at the manager menu and used the system status option and
> the session hung with this remaining (this was over an ssh session running
> Bhaskar's FOIAVistA20060615 with gtm_V5.1-000)
>
> Select Systems Manager Menu Option: ?
>
> Core Applications ...
> Device Management ...
> Menu Management ...
> Programmer Options ...
> Operations Management ...
> Spool Management ...
> Information Security Officer Menu ...
> Taskman Management ...
> User Management ...
> Application Utilities ...
> Capacity Planning ...
> HL7 Main Menu ...
>
> (hung from the konsole screen)
>
> The server system logs didn't show anything particular.
> Here is some more info:
>
> top - 10:37:29 up 10 days, 1:50, 4 users, load average: 1.62, 1.49, 1.36
> Tasks: 69 total, 3 running, 66 sleeping, 0 stopped, 0 zombie
> Cpu0 : 33.6% us, 64.1% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.7% hi, 1.7% si
> Cpu1 : 23.9% us, 28.6% sy, 0.0% ni, 47.2% id, 0.0% wa, 0.0% hi, 0.3% si
> Mem: 4025544k total, 4017388k used, 8156k free, 136244k buffers
> Swap: 7815580k total, 0k used, 7815580k free, 3410024k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 12642 myvista 25 0 15104 5308 12m R 99.9 0.1 42:37.75 mumps
> 12530 myvista 16 0 15644 2112 5824 R 52.6 0.1 23:24.51 sshd
> 12719 myvista 16 0 2064 1044 1852 S 0.7 0.0 0:29.81 top
> 12784 myvista 16 0 2064 1044 1852 R 0.3 0.0 0:00.02 top
> 1 root 16 0 1504 512 1352 S 0.0 0.0 0:00.50 init
> 2 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
> ...
>
> GTM>ZWR
> %XTT=""
> DTIME=9999
> IO="/dev/pts/2"
> IO(0)="/dev/pts/2"
> IO(1,"/dev/pts/2")=""
> IO("HOME")="40^/dev/pts/2"
> IOBS="$C(8)"
> IOF="#,$C(27,91,50,74,27,91,72)"
> IOHG=""
> IOM=80
> ION="GTM-UNIX-TELNET"
> IOPAR=""
> IOS=40
> IOSL=24
> IOST="C-VT100"
> IOST(0)=9
> IOT="VTRM"
> IOUPAR=""
> IOXY="W $C(27,91)_((DY+1))_$C(59)_((DX+1))_$C(72)"
> POP=0
> U="^"
>
>
> GTM>D ^XTER
>
>
> In response to the DATE prompt you can enter:
> 'S' to specify text to be matched in error or routine name
>
>
> No error logged on 7/6/2006
>
> I CTL-C from the ssh session and the hung processes resolved.
>
> [EMAIL PROTECTED]:~/foia06152006$ ps aux |grep mumps
> myvista 12559 0.0 0.0 14184 2296 ? S 09:00 0:00
> /usr/local/gtm_V5.1-000/mumps -direct
> myvista 12565 0.0 0.0 14392 2504 ? S 09:00 0:00
> /usr/local/gtm_V5.1-000/mumps -direct
> myvista 12569 0.0 0.0 14392 2580 ? S 09:00 0:00
> /usr/local/gtm_V5.1-000/mumps -direct
> myvista 12573 0.0 0.0 14120 2376 ? S 09:00 0:00
> /usr/local/gtm_V5.1-000/mumps -direct
> myvista 12597 0.0 0.0 14544 2804 ? S 09:06 0:00
> /usr/local/gtm_V5.1-000/mumps -direct
> myvista 12642 79.3 0.1 15104 5312 pts/0 S+ 09:43 45:39
> /usr/local/gtm_V5.1-000/mumps -dir
>
> >From looking here I don't think that this was a database problem.
>
> http://www.sanchez-gtm.com/user_documentation/AdminOpsUNIX/UNIX_A_O/h1_process_hangs.html
>
> The ssh session was from a konsole terminal session running KDE on
> Debian/Sarge. I have
> been accesing this server via ssh from putty, Linux consoles, OpenBSD
> consoles, KDE's konsole, and xterm and over the last couple of months
> (starting with HUI VistA 4) with VistA with no problems.
>
> I recall Nancy mentioning some problem such as this a couple of weeks ago.
>
> Any ideas? Is this a problem with sshd?
>
> Thank you.
>
>
--
Ronald Fox Email: [EMAIL PROTECTED]
Sr. Software Engineer Phone: +1 808 589 5172
Diagnostic Laboratory Services, Inc.
Honolulu, Hawaii
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