Re: partially mounted cifs filesystem

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Hi Albert,

[ added linux-cifs-client to Cc: ]

On 7/7/07, Albert Cahalan <[email protected]> wrote:
I had one share mounted, from XP to Linux, and wanted another.
At first I had an incorrect setting on the XP box, almost
certainly related to permissions. The mount failed of course.
Running "mount" showed that the filesystem was not mounted,
but apparently it didn't remain fully unmounted either.
There was also nothing under the mount point, and the "ls -l"
data (directory size and link count) looked like ext3.

That means nothing was mounted there ...

I changed settings on the XP box numerous times. After many
frustrating attempts, I ran "umount" on the mount point and
then successfully mounted the filesystem.

... but still umount succeeded? Didn't it complain about nothing
being mounted there in the first place? Surprising that it actually
resolved the problem ...

I'll guess that the kernel returned an error for my early
attempts at mounting, but left open a CIFS connection.

I suppose the cifs error handling is buggy.

Yes, that could be the case. Could you please:

1. Tell us which kernel version was it? .config?
2. Was there some dmesg output from the failed mount(2) attempt?
3. What was the mount command line / options?

Then:

1. Rebuild kernel with CIFS_DEBUG2.
2. Revert back (on the XP share export side) to the buggy / incorrect
settings -- so that you can try and reproduce the problem.
3. Let us know if you could reproduce, if so, any debug ouput / etc?

Thanks,
Satyam
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