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From: Stephen Rothwell <sfr@canb•auug.org.au>
To: "Paul E. McKenney" <paulmck@linux•vnet.ibm.com>
Cc: Linux-Next Mailing List <linux-next@vger•kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger•kernel.org>,
	ppc-dev <linuxppc-dev@lists•ozlabs.org>,
	Nicholas Piggin <npiggin@gmail•com>
Subject: Re: linux-next: Tree for Aug 22
Date: Wed, 23 Aug 2017 05:12:16 +1000	[thread overview]
Message-ID: <20170823051216.34f2c09f@canb.auug.org.au> (raw)
In-Reply-To: <20170822185923.GE11320@linux.vnet.ibm.com>

Hi Paul,

On Tue, 22 Aug 2017 11:59:23 -0700 "Paul E. McKenney" <paulmck@linux•vnet.ibm.com> wrote:
>
> On Wed, Aug 23, 2017 at 04:14:24AM +1000, Stephen Rothwell wrote:
> > Hi all,
> > 
> > On Wed, 23 Aug 2017 04:11:17 +1000 Stephen Rothwell <sfr@canb•auug.org.au> wrote:  
> > >
> > > This tree fails to boot on my qemu test.  2 boot logs attached.
> > > 
> > > Paul, Nick, is this the same/similar to the other RCU/lockup bug you
> > > are chasing.  This is the first time I have seen this failure.
> > > 
> > > This qemu boot is in full emulation mode if I add --enable-kvm to the
> > > qemu command, it does not fail to boot.  (the test just boots and then shuts down)  
> > 
> > Boot logs attached this time.  
> 
> That does not look good!
> 
> Given that the hard lockup happened during timer lock acquisition, I
> have to ask if you built with lockdep...

$ grep LOCKDEP .config
CONFIG_LOCKDEP_SUPPORT=y

so, no.  This is just a powerpc pseries_le_defconfig build.

-- 
Cheers,
Stephen Rothwell

  reply	other threads:[~2017-08-22 19:12 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-22  8:38 linux-next: Tree for Aug 22 Stephen Rothwell
2017-08-22 10:47 ` possible circular locking dependency detected [was: linux-next: Tree for Aug 22] Sergey Senozhatsky
2017-08-22 21:43   ` Bart Van Assche
2017-08-23  0:03     ` Byungchul Park
2017-08-23  2:36       ` Sergey Senozhatsky
2017-08-23  2:59         ` Byungchul Park
2017-08-23  3:49       ` Boqun Feng
2017-08-23  4:38         ` Boqun Feng
2017-08-23  4:46           ` Sergey Senozhatsky
2017-08-23  5:35             ` Boqun Feng
2017-08-23  5:44               ` Sergey Senozhatsky
2017-08-23  5:55               ` Sergey Senozhatsky
2017-08-24  4:39                 ` Boqun Feng
2017-08-24  4:49                   ` Sergey Senozhatsky
2017-08-23  5:44           ` Byungchul Park
2017-08-23  4:46         ` Byungchul Park
2017-08-23  5:01           ` Boqun Feng
2017-08-23  7:53       ` Peter Zijlstra
2017-08-30  5:20       ` Sergey Senozhatsky
2017-08-30  5:43         ` Byungchul Park
2017-08-30  6:15           ` Sergey Senozhatsky
2017-08-30  8:42             ` Peter Zijlstra
2017-08-30  8:47               ` Peter Zijlstra
2017-08-30  8:53                 ` Byungchul Park
2017-08-30 12:30                 ` Sergey Senozhatsky
2017-08-22 18:11 ` linux-next: Tree for Aug 22 Stephen Rothwell
2017-08-22 18:14   ` Stephen Rothwell
2017-08-22 18:59     ` Paul E. McKenney
2017-08-22 19:12       ` Stephen Rothwell [this message]
2017-08-22 19:32         ` Paul E. McKenney
2017-08-22 19:36           ` Paul E. McKenney
2017-08-22 21:57             ` Stephen Rothwell
2017-08-22 22:27               ` Stephen Rothwell
  -- strict thread matches above, loose matches on Subject: below --
2025-08-22  5:58 Stephen Rothwell
2024-08-22  5:43 Stephen Rothwell
2023-08-22  8:01 Stephen Rothwell
2022-08-22  5:01 Stephen Rothwell
2019-08-22  9:28 Stephen Rothwell
2018-08-22  3:53 Stephen Rothwell
2016-08-22  5:21 Stephen Rothwell
2014-08-21 21:11 Stephen Rothwell
2013-08-22  8:02 Stephen Rothwell
2012-08-22  6:35 Stephen Rothwell
2011-08-22  4:53 Stephen Rothwell

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