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Tasklist

FS#59058 - [linux] FS-Cache: Duplicate cookie detected

Attached to Project: Arch Linux
Opened by D.T. (MountainX) - Tuesday, 19 June 2018, 02:04 GMT
Last edited by Doug Newgard (Scimmia) - Sunday, 24 June 2018, 22:32 GMT
Task Type Bug Report
Category Kernel
Status Assigned
Assigned To Tobias Powalowski (tpowa)
Jan Alexander Steffens (heftig)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 0%
Votes 3
Private No

Details

Description:

FS-Cache: Duplicate cookie detected after updating Arch Linux today.

Additional info:
* package version(s)

4.17.2-1-ARCH #1 SMP PREEMPT Sat Jun 16 11:08:59 UTC 2018 x86_64 GNU/Linux

* config and/or log files etc.

kernel: FS-Cache: Duplicate cookie detected
kernel: FS-Cache: O-cookie c=000000001e72b895 [p=0000000089da8da7 fl=222 nc=0 na=1]
kernel: FS-Cache: O-cookie d=00000000c3a2cbed n=00000000f757123a
kernel: FS-Cache: O-key=[10] '040002000801c0a805c3'
kernel: FS-Cache: N-cookie c=00000000ea48db1d [p=0000000089da8da7 fl=2 nc=0 na=1]
kernel: FS-Cache: N-cookie d=00000000c3a2cbed n=000000000f72327e
kernel: FS-Cache: N-key=[10] '040002000801c0a805c3'

The machine is an Intel Core i7 and Asus Z170WS motherboard.

Steps to reproduce:

Boot system and check `journalctl -b -p err`


This task depends upon

Comment by loqs (loqs) - Wednesday, 20 June 2018, 00:08 GMT
The system is using nfs? Have you reported it on the upstream linux-nfs mailing list?
Edit:
http://wiki.linux-nfs.org/wiki/index.php/Reporting_bugs
Comment by D.T. (MountainX) - Wednesday, 20 June 2018, 04:08 GMT Comment by Yo Daz (yodaz) - Friday, 22 June 2018, 05:04 GMT
Same problem here, without NFS, but as a samba client.
Comment by Arp Hiemstra (woodchip) - Friday, 22 June 2018, 09:40 GMT
Same here, is reporting this on a smb file share on two(2) archlinux installations:

kernel: FS-Cache: Duplicate cookie detected
kernel: FS-Cache: O-cookie c=000000005d10fe84 [p=00000000716ad151 fl=222 nc=0 na=1]
kernel: FS-Cache: O-cookie d=000000006b86ae1c n=000000005be5b11a
kernel: FS-Cache: O-key=[8] '020001bdc0a80a32'
kernel: FS-Cache: N-cookie c=00000000ebe82c50 [p=00000000716ad151 fl=2 nc=0 na=1]
kernel: FS-Cache: N-cookie d=000000006b86ae1c n=000000003327bd73
kernel: FS-Cache: N-key=[8] '020001bdc0a80a32'

Comment by loqs (loqs) - Friday, 22 June 2018, 12:53 GMT
@yodaz can you contact upstream using
linux-cachefs@redhat.com (moderated list:FS-CACHE: LOCAL CACHING FOR NETWORK FILESYSTEMS)
linux-kernel@vger.kernel.org (open list)
Comment by D.T. (MountainX) - Saturday, 23 June 2018, 16:04 GMT
There is an upstream bug report here: https://bugzilla.kernel.org/show_bug.cgi?id=200145

I suggest adding comments there or using the mailing lists @loqs provided above. I do not believe that comments here will have any value. (Correct me if I'm wrong.)
Comment by ppine (ppine) - Friday, 25 January 2019, 10:48 GMT
Same here, cifs:

FS-Cache: Duplicate cookie detected
[ 23.009274] FS-Cache: O-cookie c=00000000de626989 [p=0000000029a4d81d fl=222 nc=0 na=1]
[ 23.009275] FS-Cache: O-cookie d=00000000af126956 n=000000003888a994
[ 23.009276] FS-Cache: O-key=[8] '020001bdc0a8b264'
[ 23.009280] FS-Cache: N-cookie c=000000002165e7ce [p=0000000029a4d81d fl=2 nc=0 na=1]
[ 23.009281] FS-Cache: N-cookie d=00000000af126956 n=0000000024bce779
[ 23.009281] FS-Cache: N-key=[8] '020001bdc0a8b264'
[ 23.009661] FS-Cache: Duplicate cookie detected
[ 23.009665] FS-Cache: O-cookie c=00000000de626989 [p=0000000029a4d81d fl=222 nc=0 na=1]
[ 23.009667] FS-Cache: O-cookie d=00000000af126956 n=000000003888a994
[ 23.009668] FS-Cache: O-key=[8] '020001bdc0a8b264'
[ 23.009674] FS-Cache: N-cookie c=00000000dfa64dd3 [p=0000000029a4d81d fl=2 nc=0 na=1]
[ 23.009675] FS-Cache: N-cookie d=00000000af126956 n=0000000081c1b07f
[ 23.009676] FS-Cache: N-key=[8] '020001bdc0a8b264'
[ 23.010066] FS-Cache: Duplicate cookie detected
[ 23.010069] FS-Cache: O-cookie c=00000000de626989 [p=0000000029a4d81d fl=222 nc=0 na=1]
[ 23.010070] FS-Cache: O-cookie d=00000000af126956 n=000000003888a994
[ 23.010071] FS-Cache: O-key=[8] '020001bdc0a8b264'
[ 23.010075] FS-Cache: N-cookie c=0000000061e87c63 [p=0000000029a4d81d fl=2 nc=0 na=1]
[ 23.010076] FS-Cache: N-cookie d=00000000af126956 n=000000002f11a749
[ 23.010077] FS-Cache: N-key=[8] '020001bdc0a8b264'
[ 23.010364] FS-Cache: Duplicate cookie detected
[ 23.010366] FS-Cache: O-cookie c=00000000de626989 [p=0000000029a4d81d fl=222 nc=0 na=1]
[ 23.010367] FS-Cache: O-cookie d=00000000af126956 n=000000003888a994
[ 23.010368] FS-Cache: O-key=[8] '020001bdc0a8b264'
[ 23.010372] FS-Cache: N-cookie c=0000000038fc63db [p=0000000029a4d81d fl=2 nc=0 na=1]
[ 23.010373] FS-Cache: N-cookie d=00000000af126956 n=0000000092a3e97c
[ 23.010374] FS-Cache: N-key=[8] '020001bdc0a8b264'
Comment by loqs (loqs) - Friday, 25 January 2019, 23:16 GMT

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