[gentoo-user] AMD X2 timings

[gentoo-user] AMD X2 timings

[Andreas Karlsson]

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Hi,

After comming to termis with various  make.conf issues after upgrading CPU to 
K8 I now find myself struggeling with another problem, or rather two. First I 
found this http://bugzilla.kernel.org/show_bug.cgi?id=5105. It seems that a 
timing issue with TSC timings in the kernel makes the the kernel clock lose 
sync (or something like that). According to the changelog for 2.6.13-r4 
( http://www.gentoo.org/cgi-bin/viewcvs.cgi/*checkout*/sys-kernel/gentoo-sources/ChangeLoghttp://www.gentoo.org/cgi-bin/viewcvs.cgi/*checkout*/sys-kernel/gentoo-sources/ChangeLog) 
this bug is fixed, but I still have problems with the keyboard repeating 
keystrokes, like thiiiiiiiiiiiiiiiiiiiiiiiiiiis (just pressing ´i´ once), 
after upgrading to 2.6.13-r4.
A suggested fix is to pass 'notsc' to the kernel at boottime. I tried this, 
but can´t disable TSC when compiling the kernel. I tried to change 
CONFIG_X86_TSC=y to CONFIG_X86_TSC=n, but when starting the make-process, it 
is changed back to CONFIG_X86_TSC=y automaticly. What am I doing wrong?

Second I have an overall impression that X is slower than before. It doesn´t 
feel as "snappy" as it used to with my old AMD Athlon XP 3200+. Theoretilcy 
it should run faster, right?

Any inputs on the issues would be most welcome.

Best regards,
Andreas Karlsson
Sweden

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