Re: [Fedora-xen] "4gb seg fixup, process X" on FC6 dom0

[Asrai khn]

Yes there is a fix for this you can find the solution in the archives

http://www.mail-archive.com/[e-mail]/msg00053.html

Thanks. Askar


On 1/19/07, Jim McBeath <fedora-xen(a)j.jimmc.org&gt; wrote:
>  I am running a stock FC6 xen, with all yum updates through today, on a
>  Shuttle box with a Core 2 Duo and 2GB of memory.  I am getting "4gb seg
>  fixup" for plenty of programs, including X, sh, ls, date, grep, less,
>  ssh, su and vim.  This is in dom0, with no domU running.
>
>  The worst offender is X: in /var/log/messages, every five seconds
>  it consistently logs something like this:
>
>    Jan 18 19:34:59 gumby kernel: printk: 30302 messages suppressed.
>    Jan 18 19:34:59 gumby kernel: 4gb seg fixup, process X (pid 4383), cs:ip
>  73:47150f2a
>
>  20,000 is typical for the number of messages suppressed.  It varies in
>  different five-second intervals from about 10,000 to 89,000.
>
>  I have poked around on the net and searched through the archives
>  for this group, without finding an answer.  I have seen a few posts
>  about 4gb-seg-fixup messages in domU, or from mono programs, or from
>  older OSs that needed a "nosegneg" file in /etc/ld.so.conf.d, but
>  none of those seem to apply here.
>
>  Any suggestions?
>
>  --
>  Jim McBeath
>
>
>  [root@gumby ~]# uname -a
>  Linux gumby.local 2.6.19-1.2895.fc6xen #1 SMP Wed Jan 10 19:47:12 EST 2007
>  i686 i686 i386 GNU/Linux
>  [root@gumby ~]# ls /etc/ld.so.conf.d
>  kernelcap-2.6.18-1.2869.fc6.conf  mysql-i386.conf
>  kernelcap-2.6.19-1.2895.fc6.conf  qt-i386.conf
>  [root@gumby ~]# cat /etc/ld.so.conf.d/kernelcap-2.6.19-1.2895.fc6.conf
>  # This directive teaches ldconfig to search in nosegneg subdirectories
>  # and cache the DSOs there with extra bit 0 set in their hwcap match
>  # fields.  In Xen guest kernels, the vDSO tells the dynamic linker to
>  # search in nosegneg subdirectories and to match this extra hwcap bit
>  # in the ld.so.cache file.
>  hwcap 0 nosegneg
>  [root@gumby ~]#
>
>  --
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