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Re: [Xen-users] xenU/glibc/nptl on RHEL 4/Centos 4.1


  • To: xen users mailing list <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: Jeb Campbell <jebc@xxxxxxxxxxxxxxx>
  • Date: Tue, 11 Oct 2005 22:04:30 -0500
  • Delivery-date: Wed, 12 Oct 2005 03:01:57 +0000
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

The Smoking Man wrote:
The jailtime.org <http://jailtime.org> images disable NPTL (by moving /lib/tls –> /lib/tls.disabled). Some apps b0rk with this. With NPTL enabled xenU are slower *except* if the glibc is recompiled with a special gcc flag (-mno-tls-direct-seg-refs). Centos/RHEL is no gentoo and rebuilding glibc proved to be tricky, so i 'm in search of a kinda soul with the same needs as i am that was able to rebuild glibc (with -mno-tls-direct-seg-refs) and kinda enough to share the new rpms...

Yeah, I got b0rked trying to install zimbra...

Ok -- enough arm twisting, I'm trying to build it ;) -- been on my list of things to do for a while.

Trying to rebuild the stock rpm now and when I can successfully do that, I'll add the flags, rebuild, and test.

And the kind folks at jailtime.org said they would host the rpm and intructions.

Should have something by lunch.

All I have to do is add "-mno-tls-direct-seg-refs" to the CFLAGS right? (with gcc version 3.4.3 20050227 (Red Hat 3.4.3-22.1) )?

Jeb

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