Messages in this thread | | | Date | Wed, 19 Dec 2012 23:07:57 -0800 | From | Stephen Boyd <> | Subject | Re: BUG: spinlock bad magic on CPU#0 on BeagleBone |
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On 12/19/2012 10:44 PM, Bedia, Vaibhav wrote: > On Thu, Dec 20, 2012 at 11:55:24, Stephen Boyd wrote: >> On 12/19/2012 8:48 PM, Bedia, Vaibhav wrote: >>> I tried out 3 variants of AM335x boards - 2 of these (BeagleBone and EVM) have DDR2 >>> and 1 has DDR3 (EVM-SK). The BUG is triggered on all of these at the same point. >>> >>> With Stephen's change I don't see this on any of the board variants :) >>> New bootlog below. >> Great! Can I have your Tested-by then? I'll wrap it up into a patch. Is >> this is a new regression? From a glance at the code it looks to have >> existed for quite a while now. > I went back to a branch based off 3.7-rc4 and don't see the issue there. Not sure > what is triggering this now. > > Tested-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Thanks. I was thrown off by the author date of this patch which introduced your problem
commit 8823c079ba7136dc1948d6f6dcb5f8022bde438e Author: Eric W. Biederman <ebiederm@xmission.com> AuthorDate: Sun Mar 7 18:49:36 2010 -0800 Commit: Eric W. Biederman <ebiederm@xmission.com> CommitDate: Mon Nov 19 05:59:18 2012 -0800
vfs: Add setns support for the mount namespace
It seems to have a 2 year gap between commit date and author date. Either way, it looks to be isolated to the 3.8 merge window but affects quite a few architectures. Patch to follow shortly.
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