On Dec 25, 2007, at 12:27 AM, Kostik Belousov wrote:
What fs do you use ? If FFS, are softupdates turned on ? Please,
show the
total time spent in the softdepflush process.
Also, try to add the FULL_PREEMPTION kernel config option and report
whether it helps.
FFS with soft updates on all filesystems.
With your latest uio_yield() in MNT_VNODE_FOREACH patch it's a
little harder to provoke packet loss. Standard nightly
crontabs and a tar -cf - / > /dev/null no longer cause drops. A
make buildkernel will though.
root 38 0.0 0.0 0 8 ?? DL Mon08PM 0:04.62
[softdepflush]
Building a new kernel with KTR and FULL_PREEMPTION now.
--
mark
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