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

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Anand Gupta wrote:
> Hi,
>
> 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)
> --
> regards,
>
> 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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