More debug, less noise, in ldlm_lock_dump

r=robert

have cascading failures.  Server bulk timeout is 1/4 of the client timeout.
Also fix /proc variables to be int, as that is what the functions expect.
b=1845

b=1765

b=1600

b=1570

Originally for bug 1684, later found to be caused by stack overflows.

b=1871

Was apparently fixed in the client and development branches, but not HEAD.
b=1815

Fixes LBUG in ll_it_open_error, if the server couldn't lookup the parent.

don't do the del_autconn for non-tcp interfaces.

*   socknal Makefile.am fix

r=braam
backport from b_devel to HEAD this patch to avoid an assertion in an
unlikely error case where the server is unable to even begin to
process an intent request

This patch from eeb tracks outstanding tx descriptors and provides an
ioctl to fetch them; should be useful for tracking down cases where
bug 1031 is not resolved by loading the modules (see also bug 1827)

bumped the kernel patch version to 23, but really only vanilla-2.4.20 changed

Disable some console messages from failed statfs(), reconnect

b=1639
r=phil

Read past EOF would clear res->dentry in preprw; we would oops trying
to dput it in commitrw.  Fixed.

r=zab
- Land a cleanup of the preprw_read/commitrw_read path from b_filterio.
  The old dentry cleanup in error cases could not be overseen.
- Backport a copy of Zach's fix for bug 1741, believed the be the
  cause of the intermittent partial-page corruption

b=1749
r=phil

b=1597
r=shaver

b=1751
r=phil,jacob

not one that we want to crash on).

r=phil
b=1663