On Fri, 2007-09-28 at 02:01 -0700, Chakri n wrote: > Thanks for explaining the adaptive logic. > > > However other devices will at that moment try to maintain a limit of 0, > > which ends up being similar to a sync mount. > > > > So they'll not get stuck, but they will be slow. > > > > > > Sync should be ok, when the situation is bad like this and some one > hijacked all the buffers. > > But, I see my simple dd to write 10blocks on local disk never > completes even after 10 minutes. > > [root@h46 ~]# dd if=/dev/zero of=/tmp/x count=10 > > I think the process is completely stuck and is not progressing at all. > > Is something going wrong in the calculations where it does not fall > back to sync mode. What kernel is that?
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