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Message-ID: <ZyzJa9tR0503k70s@xsang-OptiPlex-9020>
Date: Thu, 7 Nov 2024 22:06:35 +0800
From: Oliver Sang <oliver.sang@...el.com>
To: "Paul E. McKenney" <paulmck@...nel.org>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, Frederic Weisbecker
<frederic@...nel.org>, <linux-kernel@...r.kernel.org>,
<oliver.sang@...el.com>
Subject: Re: [paulmckrcu:dev.2024.11.01a] [rcutorture] 622baf5d79:
WARNING:at_kernel/rcu/rcutorture.c:#rcutorture_one_extend_check[rcutorture]
hi, Paul,
On Thu, Nov 07, 2024 at 06:01:15AM -0800, Paul E. McKenney wrote:
> On Thu, Nov 07, 2024 at 02:28:27PM +0800, Oliver Sang wrote:
> > hi, Paul,
> >
> > On Wed, Nov 06, 2024 at 12:07:37PM -0800, Paul E. McKenney wrote:
> > > On Tue, Nov 05, 2024 at 01:00:53PM +0800, kernel test robot wrote:
> > > >
> > > >
> > > > Hello,
> > > >
> > > > kernel test robot noticed "WARNING:at_kernel/rcu/rcutorture.c:#rcutorture_one_extend_check[rcutorture]" on:
> > > >
> > > > commit: 622baf5d79169496973d50fc43636469e6af02b7 ("rcutorture: Make rcutorture_one_extend() check reader state")
> > > > https://github.com/paulmckrcu/linux dev.2024.11.01a
> > >
> > > This is an old commit that failed to handle any torture_type other than
> > > "rcu", including the "srcu" that you tested with. It has since been
> > > replaced by a series of newer commits fixing this and other bugs, with
> > > the current version here:
> > >
> > > c815d319a933 ("rcutorture: Make rcutorture_one_extend() check reader state")
> > >
> > > Does this one work for you?
> >
> > yes, this one works. issue gone when we run same test case up to 20 times.
> >
> > d5e74d8e46e8e45c 622baf5d79169496973d50fc436 c815d319a9331530032be3df69c
> > ---------------- --------------------------- ---------------------------
> > fail:runs %reproduction fail:runs %reproduction fail:runs
> > | | | | |
> > :6 100% 6:6 0% :20 dmesg.EIP:rcutorture_one_extend_check
> > :6 100% 6:6 0% :20 dmesg.WARNING:at_kernel/rcu/rcutorture.c:#rcutorture_one_extend_check[rcutorture]
>
> Again, thank you! Would you like me to apply your Tested-by to the
> resulting commit?
sure! thanks
Tested-by: kernel test robot <oliver.sang@...el.com>
>
> Thanx, Paul
>
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