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SubjectRe: LTP ustat01 test fails on NFSROOT
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On Oct 24, 2007, at 12:05 AM, Kumar Gala wrote:

>
> 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@ducky ~]# exportfs -v
> / <world>
> (rw,async,wdelay,no_root_squash,no_subtree_check)
> [root@ducky ~]# 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
> console=ttyS0,115200
>
> If there is some other info that would be useful please let me know.

any ideas? any other debug info needed?

- k
-
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