On Sep 5, 2005, at 18:32:32, Thorild Selen wrote:
Adrian Bunk <[email protected]> writes:
Please name situations where 8K stacks may be preferred that do not
involve binary-only modules.
How about NFS-exporting a filesystem on LVM atop md? I believe it has
been mentioned before in discussions that 8k stacks are strongly
recommended in this case. Are those issues solved?
I think the worst overflow case anyone found was
nfs=>xfs=>lvm=>dm=>scsi, if
someone has such a configuration, please retest with current -mm or
similar.
I think there are several patches in there to resolve the excessive
stack
usage and a few to do some sort of bio chaining (Instead of recursive
calls).
I don't remember what underlying hardware was behind the SCSI, but I
suspect
something like iSCSI or USB would push some extra stack in there for
stress
testing.
Cheers,
Kyle Moffett
--
I have yet to see any problem, however complicated, which, when you
looked at
it in the right way, did not become still more complicated.
-- Poul Anderson
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