Messages in this thread | | | Date | Tue, 9 Apr 2013 18:08:46 +0200 | Subject | Re: linux-next: Tree for Apr 9 [cpufreq: NULL pointer deref] | From | Sedat Dilek <> |
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On Tue, Apr 9, 2013 at 4:56 PM, Viresh Kumar <viresh.kumar@linaro.org> wrote: > On 9 April 2013 19:34, Sedat Dilek <sedat.dilek@gmail.com> wrote: >> I have seen it on reboots. >> How to online/offline from sysfs? > > offline a cpu "x" with: > > echo 0 > /sys/devices/system/cpu/cpux/online > > and online with echo 1 > to same location.
With x=3 the system gets in an unuseable state.
root# echo 0 > /sys/devices/system/cpu/cpu3/online
I could not write my reply and had to do a hard/cold reboot. The dmesg log I saw looked similiar to my digicam-shot.
- Sedat -
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