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Re: Prevent Linux kernel from logging segfaults of user processes

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Steve Keller <keller.steve@gmx.de> writes:

> Since quite a long time the Linux kernel prints log messages about
> processes that cause a segmentation fault, but it has not always
> been that way (Linux 2.x, maybe also 3.x versions, AFAIR).
> 
> On a multi-user system, where users develop & debug software it is
> annoying for the admin to see all these messages in dmesg.
> 
> So my question is can these messages been turned off, either completely
> or for certain (effective or real) user ids, e.g. uid above 1000?

I think you're looking for

    echo 0 > /proc/sys/debug/exception-trace

I'm not aware of a way to disable this only for certain uids.

urs

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Prevent Linux kernel from logging segfaults of user processes "Steve Keller" <keller.steve@gmx.de> - 2018-05-29 13:50 +0200
  Re: Prevent Linux kernel from logging segfaults of user processes Urs Thuermann <urs@isnogud.escape.de> - 2018-05-30 04:20 +0200

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