Re: linux-next: Tree for Apr 9 [cpufreq: NULL pointer deref]

From: Sedat Dilek
Date: Tue Apr 09 2013 - 12:57:58 EST

On Tue, Apr 9, 2013 at 6:51 PM, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> On 9 April 2013 21:38, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
>> 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.
> Few things i need from you. First is output of cpufreq-info. Then
> all the steps you did to reproduce above? Removed any other cpus?
> I am not able to find next-20130326 tag in my repo, only have 23 and 28.
> Can you debug it a bit to find exact line of code causing this issue using
> objdump?
> HINT: Documentation/BUG-HUNTING..

next-20130326 see...


objdump of file?

> Give me line numbers of both of these functions: __cpufreq_governor() and
> __cpufreq_remove_dev().

I must checkout by myself and jump on next-20130326.
Unfortunately, I have it installed but have no binaries and deleted
the branch from my local GIT branch.

Still on the fs/pipe issue from vfs-next :-).
I guess I have a working follow-up patch, still compiling.

- Sedat -
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