From: ebiederm@xmission.com (Eric W. Biederman)
To: Rafael Tinoco <rafael.tinoco@canonical.com>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>,
Dave Chiluk <chiluk@canonical.com>,
linux-kernel@vger.kernel.org, davem@davemloft.net,
Christopher Arges <chris.j.arges@canonical.com>,
Jay Vosburgh <jay.vosburgh@canonical.com>
Subject: Re: Possible netns creation and execution performance/scalability regression since v3.8 due to rcu callbacks being offloaded to multiple cpus
Date: Wed, 11 Jun 2014 18:09:27 -0700 [thread overview]
Message-ID: <874mzrszlk.fsf@x220.int.ebiederm.org> (raw)
In-Reply-To: <CAJE_dJzzj2uf+YEXhAngJDKev=Lc4O6fyKfHoO2PbzD90VuuVw@mail.gmail.com> (Rafael Tinoco's message of "Wed, 11 Jun 2014 21:25:52 -0300")
Rafael Tinoco <rafael.tinoco@canonical.com> writes:
> I'm getting a kernel panic with your patch:
>
> -- panic
> -- mount_block_root
> -- mount_root
> -- prepare_namespace
> -- kernel_init_freeable
>
> It is giving me an unknown block device for the same config file i
> used on other builds. Since my test is running on a kvm guest under a
> ramdisk, i'm still checking if there are any differences between this
> build and other ones but I think there aren't.
>
> Any chances that "prepare_namespace" might be breaking mount_root ?
My patch boots for me....
Eric
next prev parent reply other threads:[~2014-06-12 1:10 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-11 5:52 Rafael Tinoco
2014-06-11 7:07 ` Eric W. Biederman
2014-06-11 13:39 ` Paul E. McKenney
2014-06-11 15:17 ` Rafael Tinoco
2014-06-11 15:46 ` David Chiluk
2014-06-11 16:18 ` Paul E. McKenney
2014-06-11 18:27 ` Dave Chiluk
2014-06-11 19:48 ` Paul E. McKenney
2014-06-11 20:55 ` Eric W. Biederman
2014-06-11 21:03 ` Rafael Tinoco
2014-06-11 20:46 ` Eric W. Biederman
2014-06-11 21:14 ` Dave Chiluk
2014-06-11 22:52 ` Paul E. McKenney
2014-06-11 23:12 ` Eric W. Biederman
2014-06-11 23:49 ` Paul E. McKenney
2014-06-12 0:14 ` Eric W. Biederman
2014-06-12 0:25 ` Rafael Tinoco
2014-06-12 1:09 ` Eric W. Biederman [this message]
2014-06-12 1:14 ` Rafael Tinoco
[not found] ` <CAJE_dJzjcWP=e_CPM1M64URVHiEFFb+fP6g2YKZVdoFntkQMZg@mail.gmail.com>
2014-06-13 18:22 ` Rafael Tinoco
2014-06-14 0:02 ` Eric W. Biederman
2014-06-16 15:01 ` Rafael Tinoco
2014-07-17 12:05 ` Rafael David Tinoco
2014-07-24 7:01 ` Eric W. Biederman
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