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Bug#515125: general: cpu frequency scalling crashes my system

reassign 515125 linux-2.6


Thank you for your bug report.

On Fri, Feb 13, 2009 at 08:13:45PM +0100, Mark Poks wrote:

> i am not sure what exacly causes the problem. it maight be cpufreq,
> or kernel or maybe something else (or CPU Frequency Scalling Monitor
> applet in GNOME which is rather in doubt).

> when enabled "AMD Quiet'n'cool" in BIOS (the CPU frequency scalling)
> and have installed CPUFreq package, it very often happens that
> system crashes totally.

Well, the most likely is either the kernel, or a bug in your BIOS. I'm
reassigning this bug to the kernel package so that the experts on this
can take a look at this.

What CPU, motherboard and BIOS version do you have exactly? Please
send us the contents of the files /proc/cpuinfo,
/sys/devices/system/cpu/cpu*/cpufreq/scaling_governor and
/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver, as well as the
output of the command "lsmod" (all this taken when "AMD Quiet'n'cool
is enabled in the kernel). The BIOS version is shown on the boot
screen, before grub (or lilo), usually on the third / fourth line or
something like that.

You may also try to see if there is a BIOS update available for your
motherboard; it may solve the problem.

> -- System Information:
> Debian Release: 5.0
>   APT prefers testing
>   APT policy: (500, 'testing')
> Architecture: i386 (i686)

> Kernel: Linux 2.6.26-1-686-bigmem (SMP w/2 CPU cores)


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