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Re: Linux kernel crash (3.2.0-2-amd64) when trying to play audio CD

On Fri, Sep 07, 2012 at 11:14:33AM +0200, Thomas Schwinge wrote:
> I have now finally been able to check this, and yes, I'm already using
> the latest version of the BIOS, which is Phoenix cME FirstBIOS Desktop
> Pro version 5.00 R1.07.2264.A1 (a.k.a., 25.04.2006) for
> Fujitsu Siemens Esprimo E5600, mainboard D2264-A1, CPU AMD Sempron 3000+.


> > If there's no newer BIOS, we can try applying the workaround at boot in
> > an init script to fix your issue.
> How'd that be done?

Well, you need to run the following script when the machine boots. I.e.,
you'd probably have to add it to /etc/init.d/ and make it run at some
runlevel, sometime early-ish, before a user can login.

Here's the script, let me know how it goes:

# assuming a single CPU system


val="0x"$(rdmsr $nb_cfg)
val=$(( $val | (1 << 32) ))
val=$(printf "0x%08x" $val)
wrmsr $nb_cfg $val

val="0x"$(setpci -s 18.0 $ht_tr_ctl.l)
val=$(( $val | (1 << 21) ))
val=$(printf "0x%08x" $val)
setpci -s 18.0 $ht_tr_ctl.l=$val

echo "Erratum 169 workaround applied."



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