From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hans Reiser <reiser@namesys.com>
Subject: Re: WARNING: Too many iterations: 256
Date: Sun, 10 Nov 2002 13:50:01 -0800
Message-ID: <3DCED489.1080806@namesys.com>
References: <20021106145416.X2099@humilis> <15817.9308.653007.765672@laputa.namesys.com>
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To: Nikita Danilov <Nikita@Namesys.COM>
Cc: sander@humilis.net, reiserfs-list@namesys.com

Nikita Danilov wrote:

>Sander writes:
> > Hi Both,
> > 
> > A fyi again. I hope this is helpful.
> > 
> > kernel 2.5.46, reiserfs snapshot 2002.11.05
> > 
> > When I try to untar 16 kernel sources at the same time, I get this in
> > the system log:
> > 
> > reiser4[ktxnmgrd:run(1340)]: traverse_tree (fs/reiser4/search.c:465)[nikita-1481]:
> > WARNING: Too many iterations: 128
> > reiser4[ktxnmgrd:run(1340)]: traverse_tree (fs/reiser4/search.c:465)[nikita-1481]:
> > WARNING: Too many iterations: 256
> > reiser4[tar(1519)]: traverse_tree (fs/reiser4/search.c:465)[nikita-1481]:
> > WARNING: Too many iterations: 128
> > reiser4[tar(1528)]: traverse_tree (fs/reiser4/search.c:465)[nikita-1481]:
> > WARNING: Too many iterations: 128
> > reiser4[ktxnmgrd:run(1340)]: traverse_tree (fs/reiser4/search.c:465)[nikita-1481]:
> > WARNING: Too many iterations: 512
> > reiser4[tar(1525)]: traverse_tree (fs/reiser4/search.c:465)[nikita-1481]:
> > WARNING: Too many iterations: 128
> > reiser4[ktxnmgrd:run(1340)]: jnode_flush (fs/reiser4/flush.c:1039)[jmacd-16739]:
>
>They all can be safely ignored. Warnings indicate that there is high
>contention for reiser4 balanced tree.
>
> > WARNING: flush failed: -11
> > jnode_flush failed with err = -11
> > jnode_flush failed with err = -11
> > reiser4[tar(1525)]: traverse_tree (fs/reiser4/search.c:465)[nikita-1481]:
> > WARNING: Too many iterations: 256
> > reiser4[tar(1525)]: traverse_tree (fs/reiser4/search.c:465)[nikita-1481]:
> > WARNING: Too many iterations: 512
> > reiser4[tar(1525)]: traverse_tree (fs/reiser4/search.c:465)[nikita-1481]:
> > WARNING: Too many iterations: 1024
> > reiser4[tar(1525)]: traverse_tree (fs/reiser4/search.c:465)[nikita-1481]:
> > WARNING: Too many iterations: 2048
> > reiser4[ktxnmgrd:run(1340)]: jnode_lock_parent_coord (fs/reiser4/flush.c:2681)[nikita-2757]:
> > WARNING: get_parent failed: -11
>
>Nikita.
>
>
>  
>
It is interesting that he is hitting this warning though.  It might be 
worthwhile to try to understand if it is a symptom of something 
deserving a fix.  Please put that in your todo list (I know it is full, 
but...) if you don't already understand it.

Hans