Coda File System

Coda on Linux-PPC (builds and starts, but can't find server)

From: Troy Benjegerdes <>
Date: Sun, 2 Aug 1998 23:45:01 -0500 (CDT)
Okay, I've been playing with coda again, and I managed to build venus and
get it to almost fully start without segfaulting.

There appear to be two problems.

First, I had to change all the 'getservbyname( something, NULL )' to
'getservbyname( something, "udp" )' (or tcp) to get this to work. For some
reason getservbyname segfaults if given a Null pointer for type. I may not
have gotten these right, so this might be the cause..
Anyway, the problem is that I set '' as the coda
server, and I get a report in the log saying:

23:39:16 unreachable
23:39:44 GetRootVolume: Can't get root volume name!

(Could this also be because I'm behind and IP-masqing firewall? )

The second problem is that when I give venus a TERM or HUP signal, it
segfaults. I believe this to be a problem with the lwp library and the way
PPC linux does signals. PPC linux does something strange like using the
area above the stack for linkage information, and by the signal handler.
This is happily blowing away stuff on the stack, which is causing threads
using that stack to segfault. I've tried padding the top of the stack with
an extra 16 and 32 bytes. It might just take more, or a different way of
doing it. (FYI, as of a few weeks ago, pthreads was broken on LinuxPPC
because of this very reason)

Also, what does it take to use ptreads instead of the LWP stuff?

If anyone wants patches to mess with, let me know.

| Troy Benjegerdes    |    |   |
|    Unix is user friendly... You just have to be friendly to it first.  |
| This message composed with 100% free software. |
Received on 1998-08-03 00:57:13