[Bug 13037] reiserfs panic (device null superblock)

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=13037


Alan <alan@lxorguk.ukuu.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alan@lxorguk.ukuu.org.uk
     Kernel Version|2.6.28.9                    |2.6.34




--- Comment #11 from Pawel Zawora <pzawora@gmail.com>  2010-05-10 10:19:58 ---
I can confirm that:
1. reiser over local hard disk works stable,
2. is possible to reproduce problem using internal journaling.

Problem appears in that case:
NFS(v3) ---> resier ----> storage "depends on network" (DRBD/iSCSI). 

My environment:
multiple (4+) nfs clients(noacl,udp) [multiple simultaneous file access on the
same time] uses failover nfs server . NFS works over DRBD (active/passive ;
async protocol). DRBD uses dedicated network connection. "panic time" is depend
on load.

NFS server works stable with kernel <= 2.6.25 and new kernel with ie XFS
(always over DRBD)

Additonally, on the same cluster - when I try switch nodes - stopping nfsd
causes bug reported as 14055.

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