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Re: BUG: soft lockup detected on CPU#1!

To: raksac@xxxxxxxxx
Subject: Re: BUG: soft lockup detected on CPU#1!
From: Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
Date: Wed, 11 Feb 2009 18:36:08 -0500 (EST)
Cc: xfs@xxxxxxxxxxx
In-reply-to: <586998.47540.qm@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
References: <586998.47540.qm@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
User-agent: Alpine 1.10 (DEB 962 2008-03-14)

On Wed, 11 Feb 2009, raksac@xxxxxxxxx wrote:


Hi Justin,

Thank you for the pointer. Well as suggested I did and
now the xfsqa goes upto test 011

#! /bin/sh
# FS QA Test No. 011
#
# dirstress

but dies with a oops. Any suggestions?

Here is the oops trace -

BUG: unable to handle kernel NULL pointer dereference
at virtual address 00000000
printing eip:
f8bd02c2
*pde = e7167067
Oops: 0000 [#1]
PREEMPT SMP
last sysfs file:
/devices/pci0000:00/0000:00:1f.3/i2c-0/0-002e/temp1_input
Modules linked in: xfs sg sunrpc m24c02 pca9554
pca9555 mcp23016 lm85 hwmon_vid i2c_i801 i2c_core
midplane uhci_hcd sk98lin tg3 e1000 mv_sata sd_mod
ahci libata
CPU:    1
EIP:    0060:[<f8bd02c2>]    Not tainted VLI
EFLAGS: 00010286   (2.6.18.rhel5 #2)
EIP is at xfs_iget_core+0x4d6/0x5e9 [xfs]

Can you show uname -a output?

EFLAGS: 00010286   (2.6.18.rhel5 #2)
                    ^^^^^^^^^^^^

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