linux-kernel - [NFSv4.1] 6ae373394c4: kernel boot crash

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Date:	Fri, 6 Feb 2015 18:45:46 -0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Trond Myklebust <trond.myklebust@...marydata.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [NFSv4.1] 6ae373394c4: kernel boot crash

Hi Trond,

We noticed the below kernel crash on

git://git.linux-nfs.org/projects/trondmy/linux-nfs.git testing
commit 6ae373394c4257bad562817aa60464ff7fe8f9c4 ("NFSv4.1: Ask for no delegation on OPEN if using O_DIRECT")


testbox/testcase/testparams: vm-vp-quantal-x86_64/boot/1

0e3b137fbf0f4ab9  6ae373394c4257bad562817aa6  
----------------  --------------------------  
       fail:runs  %reproduction    fail:runs
           |             |             |    
           :100          4%           2:46    dmesg.BUG:kernel_test_crashed

The last dmesg lines before the kernel crash are

[    0.274266] NET: Registered protocol family 1
[    0.275236] RPC: Registered named UNIX socket transport module.
[    0.276123] RPC: Registered udp transport module.
[    0.276860] RPC: Registered tcp transport module.
[    0.277617] RPC: Registered tcp NFSv4.1 backchannel transport module

Thanks,
Fengguang

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