Date: Thu, 24 Sep 1998 22:20:37 -0500 (EST) From: John Fieber <jfieber@indiana.edu> To: emulation@FreeBSD.ORG Subject: Running Sybase... Message-ID: <Pine.BSF.4.02A.9809242119390.1314-100000@fallout.campusview.indiana.edu>
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I've been working on getting linux version Sybase going on
FreeBSD 2.2.7. What I've discovered so far, more or less in the
order of discover...
[details of wrangling with rpm's omitted.]
1. The emulator load executables using ld-linux.so.1 but the
sybase binaries just segfault unless started with
ld-linux.so.2. For the moment I'm just using a symlink to
get around this.
2. The dataserver (tries to) allocates a ~12MB shared memory
segment. A substantial increase in of SHMMAXPGS in the kernel
config is needed to get past this hurdle.
3. Next, the SIOCSPGRP ioctl isn't handled by the emulator.
This is a relatively simple fix once I found out what the
failing ioctl actually was. (I added a couple other related
ioctls that were missing while I was at it.)
4. With that done, the dataserver launches without any error
messages. But at or near the end of initialization it falls
into a loop generating the message:
Linux-emul(1531): setup() not supported
The Linux man page indicates that it it simply returns -1 with
an EPERM error when called from a user process. I changed the
call to return that, but the server still loops making the call.
This is a bit puzzling. Ktrace shown this as the loop:
1531 dataserver CALL getdomainname
1531 dataserver RET getdomainname RESTART
1531 dataserver CALL getdomainname
1531 dataserver RET getdomainname RESTART
So I'm puzzled.
5. The client library has some problems recv, somehow associated
with failed hostname lookups...it is returning "invalid
argument". Maybe the same problem as #4?
I'm stuck at #4 and #5 for the moment...if anyone has some
suggestions, they would be most welcome.
-john
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