[xfs-masters] [Bug 817] XFS driver oops when trying to mount "dirty" filesystem.

[bugzilla-daemon at oss.sgi.com]

http://oss.sgi.com/bugzilla/show_bug.cgi?id=817





--- Comment #9 from Eric Sandeen <sandeen-xfs at sandeen.net>  2009-03-23 10:01:11 CST ---
(In reply to comment #8)

> According to the facts that
> 
> - "write barrier support is enabled by default in XFS since kernel version
> 2.6.17";
> - I have no specific mount options during mount;
> 
> So, I guess, barriers are enabled, however I do not see any barrier related
> logs after mount.

XFS tries to enable them but you will get a message if they are turned off due
to failure.  In any case if you see no messages, barriers are in force.

> > how did you invoke xfs_repair?  If it was with -L then that's quite expected,
> > you erased the log, so there was no log replay to oops in.
> 
> Yes, it was with -L option.

Well, in general don't do that except as a last resort; if, say, you are
oopsing on log replay ;)

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