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Bug 510230 - Multiple NILFS2 Error - bad btree node
Summary: Multiple NILFS2 Error - bad btree node
Status: RESOLVED CANTFIX
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Core system (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Linux bug wranglers
URL: http://www.nilfs.org/
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-05-13 12:30 UTC by eipi
Modified: 2014-05-21 14:52 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


Attachments
NILFS2 Log (from /var/log/message) (log,19.16 KB, text/plain)
2014-05-13 12:30 UTC, eipi
Details

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Description eipi 2014-05-13 12:30:05 UTC
I use a script to make NILFS2 snapshots. And sometimes, nilfs2 complains leading the system to an unusable state (since nilfs2 is remouted read-only by default).

Reproducible: Sometimes

Steps to Reproduce:
0. Have a nilfs2 filesystem (here: LVM /dev/rest/home into /home) 
1. Use script rotatess (nilfs2 automounter snapshots rotations) here:
https://vigneras@bitbucket.org/vigneras/rotatess

using the following configuration:

*/5 * * * *     root    /<installation_path>/rotatess /dev/mapper/rest-home /mnt/snapshots >> /var/log/rotatess.log 2>&1

2.Sometimes, nilfs2 just fail
Actual Results:  
nilfs crashes, remounting the fs read-only... The system then becomes unusable.

See the log file extract in attachment.


I upgraded nilfs-utils the 25th after the first error:
$ genlop -lu |grep nilfs
     Mon Nov 25 14:53:38 2013 >>> sys-fs/nilfs-utils-2.1.5-r1
     Fri Apr 25 10:22:35 2014 <<< sys-fs/nilfs-utils-2.1.5-r1
     Fri Apr 25 10:22:37 2014 >>> sys-fs/nilfs-utils-2.1.6
Comment 1 eipi 2014-05-13 12:30:57 UTC
Created attachment 376822 [details]
NILFS2 Log (from /var/log/message)
Comment 2 Jeroen Roovers (RETIRED) gentoo-dev 2014-05-13 15:27:11 UTC
This couldn't possibly be a Gentoo Linux problem. We just distribute kernels and tools that support using NILFS on Gentoo Linux.
Comment 3 eipi 2014-05-15 06:50:16 UTC
Of course, but can't you forward this bug to the appropriate upstream list? (kernel or nilfs2).
Comment 4 Tom Wijsman (TomWij) (RETIRED) gentoo-dev 2014-05-21 14:52:50 UTC
(In reply to eipi from comment #3)
> Of course, but can't you forward this bug to the appropriate upstream list?
> (kernel or nilfs2).

You can follow up with the upstream lists and/or Bugzilla, they'll have more questions for you; for instance, it is currently unknown what the crash is and therefore they might ask you to capture a trace of the crash.