Re: HMC session hung

Hi All,

Yesterday, I faced a strange issue. I was loading cum packages on system.
System was in restricted state and i was accessing it through HMC. After
loading packages, Go PTF option 8, my HMC session hung. I waited for about
half an hour but it didn't come back. Then I disconnected the session and
login to another HMC session. As I gave the session key, it threw below msg
at the bottom of screen.

043 ; Connected, waiting for partition screen. But it didnt connect.

Then, after an hour one of my colleague, logged in to HMC session and he
disconnected my session and was able to connect. I checked the history logs
and found below error messages:

PTFs installed successfully.
Local system sent SNA negative response data to controller CTL01 on device
D
Local system sent SNA negative response data to controller CTL01 on device
D
Local system sent SNA negative response data to controller CTL01 on device
D
Device DSP01 no longer communicating.
Session stopped by a request from device DSP01.
Device DSP01 no longer communicating.
Device DSP01 no longer communicating.
Device DSP01 no longer communicating.


Message ID . . . . . .
: CPI5906
Date sent . . . . . . : 08/06/11 Time sent . . . . . . :
03:03:13


Message . . . . : Local system sent SNA negative response data to
controller
CTL01 on device
DSP01.


Cause . . . . . : The remote system may have sent Systems
Network
Architecture (SNA) data that does not conform to SNA protocols or
the
configuration is not
correct.
Recovery . . . : If the controller is a host system, this may not be
an

error.
If the controller is a host-type controller, the remote system may
have
more logical units varied on than there are device descriptions
configured
or varied on and attached to the controller at the local
system.
If the controller is an advanced program-to-program communications
(APPC)
controller or host-type controller, verify the following device
description


Can anyone help me in understanding about the issue.




Thanks,

Ankush
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