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Re: [Xen-users] xen 3.1.1 with centos5 (/lib/tls error)

  • To: Anand Gupta <xen.mails@xxxxxxxxx>
  • From: Nico Kadel-Garcia <nkadel@xxxxxxxxx>
  • Date: Sun, 28 Oct 2007 11:41:04 +0000
  • Cc: Xen Users <Xen-users@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Sun, 28 Oct 2007 04:40:36 -0700
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Anand Gupta wrote:

I am using xen 3.1.1 on centos5, and getting the below message inside domU

  ** WARNING: Currently emulating unsupported memory accesses  **
  **          in /lib/tls glibc libraries. The emulation is    **
  **          slow. To ensure full performance you should      **
  **          install a 'xen-friendly' (nosegneg) version of   **
  **          the library, or disable tls support by executing **
  **          the following as root:                           **
  **          mv /lib/tls /lib/tls.disabled                    **
  ** Offending process: modprobe (pid=907)                     **

I have however checked and the /lib/tls is already renamed as /lib/tls.disabled, however the above message pops up on every bootup. Is there any other way to get rid of this ?

dom0 : Centos 5
domU : Centos 5
xen 3.1.1 : hand compiled (not using centos5 xen packages)

Anand Gupta
Well, you could recompile glibc with the TLS support turned off. And make sure that your /etc/ld.so.conf.d/ did not get oddnesses done, or some LD_* variables don't make things look in /lib/tls.disabled, although that seems unlikely.

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