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Ubuntu 18.04 LTS /w VDA 1906 gets disconnected


Franco Ciccio

Question

Hi all, I just finished installing a Linux VDA 1906 on Ubuntu 18.04.

I can succesfully connect and it seems to work, but I noticed that there are some "actions" that make the session disconnect.

For instance, every time I open the AisleRiot Solitaire, if I move the mouse over the third icon the session gets disconnected.

From /var/log/xdl/hdx.log I can see this error:

 


2019-08-21 14:48:00.480 <P1031> citrix-ctxhdx: TdCgpWrite: Failed to send 431 bytes of CGP data, error 0x80000001
2019-08-21 14:48:00.593 <P1031> citrix-ctxhdx: _IcaCallSd: pSdProcedure->...[2] 0x561fa3c8cb20 failed with FAILURE
2019-08-21 14:48:00.593 <P1031> citrix-ctxhdx: PdRawWrite: Exit: Status=FAILURE
2019-08-21 14:48:00.593 <P1031> citrix-ctxhdx: _IcaCallSd: pSdProcedure->...[2] 0x561fa3ca4870 failed with FAILURE
2019-08-21 14:48:00.593 <P1031> citrix-ctxhdx: PdRawWrite: Exit: Status=FAILURE
2019-08-21 14:48:00.593 <P1031> citrix-ctxhdx: _IcaCallSd: pSdProcedure->...[2] 0x561fa3ca4870 failed with FAILURE
2019-08-21 14:48:00.593 <P1031> citrix-ctxhdx: _WdBufferSdWrite: PD$WRITE, Status=FAILURE
2019-08-21 14:48:00.690 <P1031> citrix-ctxhdx: _IcaCallSd: pSdProcedure->...[2] 0x561fa3c8cb20 failed with FAILURE
2019-08-21 14:48:00.690 <P1031> citrix-ctxhdx: PdRawWrite: Exit: Status=FAILURE
2019-08-21 14:48:00.690 <P1031> citrix-ctxhdx: _IcaCallSd: pSdProcedure->...[2] 0x561fa3ca4870 failed with FAILURE
2019-08-21 14:48:00.690 <P1031> citrix-ctxhdx: PdRawWrite: Exit: Status=FAILURE
2019-08-21 14:48:00.690 <P1031> citrix-ctxhdx: _IcaCallSd: pSdProcedure->...[2] 0x561fa3ca4870 failed with FAILURE
2019-08-21 14:48:00.690 <P1031> citrix-ctxhdx: _WdBufferSdWrite: PD$WRITE, Status=FAILURE
2019-08-21 14:48:00.861 <P1031> citrix-ctxhdx: _IcaCallSd: pSdProcedure->...[2] 0x561fa3c8cb20 failed with FAILURE
2019-08-21 14:48:00.861 <P1031> citrix-ctxhdx: PdRawWrite: Exit: Status=FAILURE
2019-08-21 14:48:00.861 <P1031> citrix-ctxhdx: _IcaCallSd: pSdProcedure->...[2] 0x561fa3ca4870 failed with FAILURE
2019-08-21 14:48:00.861 <P1031> citrix-ctxhdx: PdRawWrite: Exit: Status=FAILURE
2019-08-21 14:48:00.861 <P1031> citrix-ctxhdx: _IcaCallSd: pSdProcedure->...[2] 0x561fa3ca4870 failed with FAILURE
2019-08-21 14:48:00.861 <P1031> citrix-ctxhdx: _WdBufferSdWrite: PD$WRITE, Status=FAILURE

 

Any Idea of how to troubleshoot that?

 

Thx

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5 answers to this question

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From the list of Known Issues with the LInux VDA (https://docs.citrix.com/en-us/linux-virtual-delivery-agent/current-release/whats-new/known-issues.html), the only thing that seems close to what you are describing is the following issue:

 

Quote

The ctxhdx service might exit unexpectedly on the Ubuntu 16.04 and SUSE 12.3 VDAs. The issue occurs with the GNU C Library (glibc) Versions 2.22 through 2.24. The issue is fixed in glibc 2.25. If you are using the SUSE 12.3 distribution, you can install the patch that SUSE provides for fixing the issue. No fix is available for Ubuntu 16.04 at the time the Linux VDA 7.17 is released. [LNXVDA-4481]

 

I realize that this references Ubuntu 16.04, but I was focusing more on the GNU C Library version that is installed in your instance; can you verify the version of glibc that is running on your Ubuntu instance (and if running 2.22 or 2.24, install 2.25 and test again)?

 

Not sure if you tried an older version, but that might be something to try to see if the issue exists in an older version of the Linux VDA.

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