Re: WARNING: Too many iterations: 256

[Hans Reiser]

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