Groups > linux.kernel > #1200836

Re: 4.2-rc5 rcu stalls.

From	Dave Jones <davej@codemonkey.org.uk>
Newsgroups	linux.kernel
Subject	Re: 4.2-rc5 rcu stalls.
Date	2015-08-05 16:50 +0200
Message-ID	<pU8aZ-4jv-7@gated-at.bofh.it> (permalink)
References	(4 earlier) <pTCuu-7r-5@gated-at.bofh.it> <pTUB3-1ud-11@gated-at.bofh.it> <pU69c-1nW-1@gated-at.bofh.it> <pU6LT-2ne-1@gated-at.bofh.it> <pU81k-483-23@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, Aug 05, 2015 at 04:38:14PM +0200, Frederic Weisbecker wrote:
 
 > >  > Also did you just launch trinity? no specific options?
 > >  
 > > basically
 > > 
 > > while [ 1 ];
 > > do
 > >   trinity -N 1000000 -q -l off -C256 -a64 -x fsync -x fdatasync -x syncfs -x sync -P INET --enable-fds=sockets
 > >   sudo ipcrm -a
 > > done
 > > 
 > > (The ipcrm thing is needed for long runs or eventually you oom, because trinity lacks the cleanup smarts)
 > 
 > Ok, can I run that safely on my testbox without it eating some of my files or should
 > I use some special purposed guest?

I wouldn't run it on anything with data I cared about (even nfs mounts)
While there are some safeguards, there might be some cases I've not thought about.

	Dave


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Thread

Re: 4.2-rc5 rcu stalls. Dave Jones <davej@codemonkey.org.uk> - 2015-08-05 02:20 +0200
  Re: 4.2-rc5 rcu stalls. Frederic Weisbecker <fweisbec@gmail.com> - 2015-08-05 14:40 +0200
    Re: 4.2-rc5 rcu stalls. Dave Jones <davej@codemonkey.org.uk> - 2015-08-05 15:20 +0200
      Re: 4.2-rc5 rcu stalls. Frederic Weisbecker <fweisbec@gmail.com> - 2015-08-05 16:40 +0200
        Re: 4.2-rc5 rcu stalls. Dave Jones <davej@codemonkey.org.uk> - 2015-08-05 16:50 +0200
    Re: 4.2-rc5 rcu stalls. Dave Jones <davej@codemonkey.org.uk> - 2015-08-06 06:20 +0200

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