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To: "H. Peter Anvin" <[EMAIL PROTECTED]>
Cc: Olaf Hering <[EMAIL PROTECTED]>, [EMAIL PROTECTED],
[EMAIL PROTECTED]
Subject: Re: race in autofs / nfs
References: <[EMAIL PROTECTED]> <[EMAIL PROTECTED]>
From: Trond Myklebust <[EMAIL PROTECTED]>
Date: 12 Feb 2001 09:57:01 +0100
In-Reply-To: "H. Peter Anvin"'s message of "Sun, 11 Feb 2001 12:31:38 -0800"
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>>>>> " " == H Peter Anvin <[EMAIL PROTECTED]> writes:
> Olaf Hering wrote:
>>
>> Hi,
>>
>> there is a race in 2.4.1 and 2.4.2-pre3 in autofs/nfs. When
>> the cwd is on the nfs mounted server (== busy) and you try to
>> reboot the shutdown hangs in "rcautofs stop". I can reproduce
>> it everytime.
>>
> Sounds like an NFS bug in umount.
Or a dcache bug: the above points to a corruption of the mnt_count
which is supposed to be > 0 if the partition is in use. I'm seeing a
similar leak for ext2 partitions (not involving autofs or NFS).
Cheers,
Trond
