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How to fix 'BUG: Soft lockup - CPU#0....' error

Oct 10, 2016 at 07:40 PM

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I have recently installed SAP HANA Express edition as per the installation guide instructions. I have 16GB RAM on my desktop and I am using VMWare player to run the SAP HANA Express Edition. I have installed SAP HANA Studio and added the SAP HANA express edition as system. Everything seems to be fine except after 10-15 min, I get the messages like ' BUG: Soft lockup - CPU#0...'. The system will become almost unresponsive. Can't do anything after that. Please can anyone suggest how to resolve this issue.

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4 Answers

Mike Paola
Nov 04, 2016 at 02:40 PM
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Hi Birendra - a colleague of mine pointed me to the following note - you may find it helpful for the error you're receiving.

http://www.aslab.com/support/kb/189.html

Regards, Mike

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Hakan Haslaman
Oct 11, 2016 at 11:17 AM
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Please check, if this SAP Note can be helpful in your case.

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Thanks, However the SAP note instructions is not very helpful. My installation says "SUSE Linux Enterprise Server for SAP Applications 12 SP1 (x86_64) - Kernel 3.12.49-11-de which seems to be higher than the one in the note.

Could you please elaborate how to proceed on this.

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Hi, I was having the same issue with the same version (HANA 2 Express VM). Applying the latest SLES 12 updates didn't help. I reduced the number of cores, and since then, it don'ts happen. We will have to wait for answer patch I guess...

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Reducing the number of cores seems to be the only workaround for now...

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Mike Paola
Nov 02, 2016 at 02:04 PM
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Hello Birendra - can you provide some details on your machine configuration including memory allocated to your VM. Wondering if you're running into low memory issues.

Regards, Mike

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Birendra Singh Nov 02, 2016 at 02:49 PM
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Hi Mike, I have 16GB RAM allocated to VM.

Regards,

Birendra

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