Hi All,

I set up a system with KDB and everything runs great, except that when
I am in KDB on the serial console, it seems to hang intermittently
(for several minutes) and then continue working again for a few
seconds or so. I am grateful to have some immediate post-mortem
debugging capability now on this system (since sometimes kdump fails
due to memory corruption), but the process goes very slowly when the
system hangs every couple times you go to type a command.

I know this kernel is a bit old- is this an issue that has been fixed
on newer versions but was not backported to the 2.6.20 version? Any
ideas of where I can start? I've now tried two different serial ports
and both are running at 9600 8-n-1, with flow control off. The problem
seems to occur most often if I leave the console sitting for a few
seconds, though I've also had it when I'm quickly interacting and
typing commands.

Additionally, is the sgi ftp at
ftp://oss.sgi.com/projects/kdb/download/v4.4/ the only place to find
files for kdb? It would be nice to have some of the patches that were
added to the KDB patches for later kernels (i.e. ehci/uhci USB,
kdump), but it doesn't seem particularly easy to tell which
modifications are for which feature... I guess perhaps I could search
the mailing list archives for the original patch submissions... any
easier way? Does KDB exist in any online source control systems? The
SGI CVS server no longer appears to contain it... are new versions
just posted straight to the FTP site?

-Kevin
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