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Message-Id: <1954B8FA-6E29-4FB7-86B0-EA43AF8F2AAF@kernel.crashing.org>
Date: Wed, 24 Oct 2007 00:05:32 -0500
From: Kumar Gala <galak@...nel.crashing.org>
To: Trond Myklebust <trond.myklebust@....uio.no>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
nfs@...ts.sourceforge.net, neilb@...e.de, bfields@...ldses.org,
chuck.lever@...cle.com
Subject: Re: LTP ustat01 test fails on NFSROOT
On Oct 23, 2007, at 8:21 PM, Trond Myklebust wrote:
>
> On Tue, 2007-10-23 at 17:52 -0500, Kumar Gala wrote:
>> I'm looking into an issue with LTP's ustat01 & ustat02 tests in which
>> they report the following:
>>
>> ustat01 1 FAIL : ustat(2) failed and setthe errno to 116 :
>> Stale NFS file handle
>> ustat02 2 FAIL : ustat(2) failed to produce expected error;
>> 14, errno: EFAULT and got 116
>>
>> It appears sometime between 2.6.21 and 2.6.22-rc1 some changes to NFS
>> got introduced that cause this.
>>
>> was wondering about any ideas while I try to debug what's going on.
>>
>> thanks
>>
>> - k
>
> I'm seeing zero problems with the latest checkouts from Linus' git
> tree.
> Mind giving us some more details?
I tried 2.6.24-rc1 w/the same result.
The system is a 32-bit PPC embedded board that we mounting the rootfs
over nfs on.
The defconfig is arch/powerpc/configs/mpc8641_hpcn_defconfig
> 'strace' output would be useful, as would the standard NFS list of
> client mount options, server export options, details on how your
> exported partition is set up on the server, etc...
strace:
stat64("/", {st_dev=makedev(0, 14), st_ino=58821800, st_mode=S_IFDIR|
0775, st_nlink=18, st_uid=500, st_gid=500, st_blksize=4096,
st_blocks=8, st_size=4096, st_atime=2007/10/23-22:43:30,
st_mtime=2007/10/18-19:51:19, st_ctime=2007/10/18-19:51:19}) = 0
ustat(0xe, 0x1001a008) = -1 ESTALE (Stale NFS file
handle)
fstat64(1, {st_dev=makedev(0, 14), st_ino=58821964, st_mode=S_IFCHR|
0600, st_nlink=1, st_uid=0, st_gid=0, st_blksize=4096, st_blocks=0,
st_rdev=makedev(4, 64), st_atime=2007/10/16-18:32:59,
st_mtime=2007/10/16-18:32:59, st_ctime=2007/10/24-05:03:34}) = 0
Info on the server:
[root@...ky ~]# exportfs -v
/ <world>(rw,async,wdelay,no_root_squash,no_subtree_check)
[root@...ky ~]# uname -a
Linux ducky.am.freescale.net 2.6.22.5-76.fc7 #1 SMP Thu Aug 30
13:04:34 EDT 2007 ppc64 ppc64 ppc64 GNU/Linux
On the host system:
(not sure how to get client mount options, mount reports:
%root% on / type unknown (rw)
-sh-2.05b# cat /proc/cmdline
root=/dev/nfs rw nfsroot=192.168.1.15:/home/galak/ltib-joust-8572/
rootfs
ip=192.168.1.147:192.168.1.15:192.168.1.1:255.255.254.0:rocky:eth0:off c
onsole=ttyS0,115200
If there is some other info that would be useful please let me know.
-
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