# kdb-R failure

**URL:** <https://forum.kx.com/t/kdb-r-failure/13530>\
**Category:** Community Support\
**Tags:** imported, kdb-and-q\
**Created:** [November 1, 2023, 12:00am UTC](https://forum.kx.com/t/kdb-r-failure/13530 "2023-11-01T00:00:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![muneishadya](https://avatars.discourse-cdn.com/v4/letter/m/b487fb/32.png) [@muneishadya](https://forum.kx.com/u/muneishadya)\
**Post date:** [November 1, 2023, 12:00am UTC](https://forum.kx.com/t/kdb-r-failure/13530/1 "2023-11-01T00:00:00Z")

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[https://learninghub.kx.com/forums/topic/kdb-r-failure](https://learninghub.kx.com/forums/topic/kdb-r-failure)

Hi All

&nbsp;

recently we are observing freequent failure of our KDB process that connects with RServe

we noticed failure with seg fault and double free. logs are below

can someone help us in understanding and resolving.

```
2023.11.01 09:27:09.575 : Log : Send query to Rserve for function : profileXXX and symbol : XXXX \*\*\* Error in `/home/\<\>/q/l64/q': double free or corruption (top): 0x0000000016262000 \*\*\*2023.10.31 06:19:14.278 : Log : Send query to Rserve for function : profileXXXand symbol : XXXX Sorry, this application or an associated library has encountered a fatal error and will exit. If known, please email the steps to reproduce this error to tech@kx.com with a copy of the kdb+ startup banner and the info printed below. Thank you. SIGSEGV: Fault address 0x7f92f7c95f20
```

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**Author:** ![jhanna](https://avatars.discourse-cdn.com/v4/letter/j/4af34b/32.png) [@jhanna](https://forum.kx.com/u/jhanna)\
**Post date:** [November 6, 2023, 12:00am UTC](https://forum.kx.com/t/kdb-r-failure/13530/2 "2023-11-06T00:00:00Z")

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Hi,

Are you able to provide steps to reproduce this error? And can you include the version of kdb+ and Rserve you are using

Thanks

James