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From: Christian Kujau <lists@nerdbynature.de>
To: linux-kernel@vger.kernel.org
Cc: David Howells <dhowells@redhat.com>,
	Anna Schumaker <anna.schumaker@netapp.com>,
	Steve Dickson <steved@redhat.com>
Subject: FS-Cache: Duplicate cookie detected
Date: Tue, 5 Mar 2019 16:24:09 -0800 (PST)	[thread overview]
Message-ID: <alpine.DEB.2.21.999.1903051616350.4505@trent.utfs.org> (raw)

Hi,

ever since ec0328e46d6e ("fscache: Maintain a catalogue of allocated 
cookies") was commited, people are seeing[0] those "Duplicate cookie 
detected" messages in syslog, see below. NFS and CIFS mounts appear to 
continue to work, but these messsages are new and I too am wondering if 
this is something to worry about.

They _are_ logged with pr_err in fs/fscache/cookie.c, but maybe this needs 
to be changed to a different loglevel?

Thanks,
Christian.

 FS-Cache: Duplicate cookie detected
 FS-Cache: O-cookie c=000000009da9dbf0 [p=000000001593f904 fl=222 nc=0 na=1]
 FS-Cache: O-cookie d=00000000287febd9 n=00000000980c9e8a
 FS-Cache: O-key=[8] '020001bdc0a80064'
 FS-Cache: N-cookie c=00000000bfe3f869 [p=000000001593f904 fl=2 nc=0 na=1]
 FS-Cache: N-cookie d=00000000287febd9 n=00000000e153f178
 FS-Cache: N-key=[8] '020001bdc0a80064'


[0] https://bugzilla.kernel.org/show_bug.cgi?id=200145
-- 
BOFH excuse #318:

Your EMAIL is now being delivered by the USPS.

             reply	other threads:[~2019-03-06  0:24 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-06  0:24 Christian Kujau [this message]
2019-03-06 13:16 ` FS-Cache: Duplicate cookie detected David Howells
2019-03-06 17:20 ` David Howells
2019-03-06 17:56   ` Christian Kujau
2019-03-08 14:49   ` David Howells
2019-03-08 17:57     ` Christian Kujau
2019-03-08 23:15     ` Christian Kujau
2019-03-08 23:25       ` Christian Kujau
2019-03-11 14:48     ` David Howells
2019-03-11 14:50       ` [PATCH 1/3] fscache: Fix cookie collision David Howells
2019-03-11 14:50       ` [PATCH 2/3] fscache: Add missing unhash David Howells
2019-03-11 14:50       ` [PATCH 3/3] fscache: Print cookie debugging information David Howells
2019-03-12  6:07       ` FS-Cache: Duplicate cookie detected Christian Kujau
2019-03-12  7:01       ` David Howells
2019-03-31  9:05         ` Christian Kujau

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