* Re: WARNING: Too many iterations: 256
[not found] <20021106145416.X2099@humilis>
@ 2002-11-06 14:17 ` Nikita Danilov
2002-11-10 21:50 ` Hans Reiser
1 sibling, 0 replies; 3+ messages in thread
From: Nikita Danilov @ 2002-11-06 14:17 UTC (permalink / raw)
To: sander; +Cc: reiserfs-list
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.
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: WARNING: Too many iterations: 256
[not found] <20021106145416.X2099@humilis>
2002-11-06 14:17 ` WARNING: Too many iterations: 256 Nikita Danilov
@ 2002-11-10 21:50 ` Hans Reiser
2002-11-12 12:36 ` Nikita Danilov
1 sibling, 1 reply; 3+ messages in thread
From: Hans Reiser @ 2002-11-10 21:50 UTC (permalink / raw)
To: Nikita Danilov; +Cc: sander, reiserfs-list
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
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: WARNING: Too many iterations: 256
2002-11-10 21:50 ` Hans Reiser
@ 2002-11-12 12:36 ` Nikita Danilov
0 siblings, 0 replies; 3+ messages in thread
From: Nikita Danilov @ 2002-11-12 12:36 UTC (permalink / raw)
To: Hans Reiser; +Cc: sander, reiserfs-list
Hans Reiser writes:
> 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.
I see these routinely. It looks that flush keeps locks (on the twig
node?) for way too long causing other processes to bounce.
>
> Hans
>
Nikita.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2002-11-12 12:36 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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[not found] <20021106145416.X2099@humilis>
2002-11-06 14:17 ` WARNING: Too many iterations: 256 Nikita Danilov
2002-11-10 21:50 ` Hans Reiser
2002-11-12 12:36 ` Nikita Danilov
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