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Subject: question about ca gateway
From: "万天敏" <[email protected]>
To: "tech-talk" <[email protected]>
Date: Mon, 10 Nov 2008 11:21:57 +0800
hi all,
      I have meet a strange question about ca gateway, in our situation, ca gateway is running on a workstation , a softioc (use makeBaseApp.pl to create ) is running on a machine in the same subnet, the  ca gateway will display the following error message and then the corresponding pv can not be get from the ca gateway. it seems that the ioc send some udp package to the ca gateway which  cause the error occurs. when this ioc is running, the error will occurs continually, if restart the ca gateway ,we can get  pv for a few seconds and then fails again. before start the ioc, if we set the environment variable "EPICS_CAS_INTF_ADDR_LIST=127.0.0.1" or  set some other environment variable to let the ioc not to send message  to ca gateway ,the error will not occur,
Is there some way of solve this problem?  ps: I notice that only when the ioc is complied use base3.14.9(if recompile the ca gateway in base 3.14.9 the problem still occurs),and if the ioc is compiled use 3.14.8.2 the problem will not occur.

error message:

CAS: CAS Request: ? on 10.30.50.13:32920: cmd=13 cid=11 typ=11 cnt=5080 psz=0 avail=a1e320d

Nov 03 10:00:00 !!! Errlog message received (message is above)
bad request code=13 in DG

Nov 03 10:00:00 !!! Errlog message received (message is above)
filename="../../../../src/cas/generic/st/casDGIntfOS.cc" line number=498
protocol from client was invalid unexpected problem with UDP input from "10.30.50.13:32920"

Nov 03 10:00:00 !!! Errlog message received (message is above)
CAS: CAS Request: ? on 10.30.50.13:32920: cmd=13 cid=11 typ=11 cnt=5080 psz=0 avail=a1e320d

Nov 03 10:00:01 !!! Errlog message received (message is above)
bad request code=13 in DG

Nov 03 10:00:01 !!! Errlog message received (message is above)
filename="../../../../src/cas/generic/st/casDGIntfOS.cc" line number=498
protocol from client was invalid unexpected problem with UDP input from "10.30.50.13:32920"

Nov 03 10:00:01 !!! Errlog message received (message is above)
CAS: CAS Request: ? on 10.30.50.13:32920: cmd=13 cid=11 typ=11 cnt=5080 psz=0 avail=a1e320d

Nov 03 10:00:01 !!! Errlog message received (message is above)
bad request code=13 in DG
 ......



thanks a lot,
wantianin




Replies:
RE: question about ca gateway Jeff Hill
Re: question about ca gateway Dirk Zimoch

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