Re: [Xen-users] xen build and tls

[John Haxby <john.haxby@xxxxxxxxxx>]

Paras pradhan wrote:
> ok tested in a fresh install . did not work... both nosegneg and 
> disabling tls.
Well that's bizarre.   "hwcap 0 nosegneg" in a *.conf in 
/etc/ld.so.conf.d/foo.conf is exactly what the Xen CentOS and Fedora Xen 
installations do because it just tells the runtime linker to use the 
xen-friendly .so's
Can you confirm exactly what you did?   These are the instructions I 
compiled for someone here recently, is this what you did?
1.  Make doubly sure you're running what you think you're running (yes, 
I know, but ...)
   $ cat /etc/redhat-release
   CentOS release 5.2 (Final)

2. Create a suitable ld config file:

   $ echo "hwcap 0 nosegneg" > /etc/ld.so.conf.d/xen.conf

It's important that the file name ends ".conf" because /etc/ld.so.conf 
says "include ld.so.conf.d/*.conf" which means, of course that it will 
ignore any files in /etc/ld.so.conf.d that don't end ".conf".
3. Run (as root) "/sbin/ldconfig"  should take a while.

4. You may not need to do this, but reboot to make sure everything gets 
fresh shared libraries.
5. Double check that code is picking up the nosegneg libraries:

   $ ldd /sbin/modprobe
       linux-gate.so.1 =>  (0xb7f07000)
       libc.so.6 => /lib/i686/nosegneg/libc.so.6 (0x43271000)
       /lib/ld-linux.so.2 (0x00978000)

I'm pretty sure this is write, I transcribed it from a scrap of paper :-)

jch

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