Re: [BUG] 2.6.21: Kernel won't boot with either/both of CONFIG_NO_HZ, CONFIG_HIGH_RES_TIMERS

Mark Lord
2007-05-01T16:52:40Z

Thomas Gleixner wrote:
> On Tue, 2007-05-01 at 10:13 -0400, Mark Lord wrote:
>> Of possible interest is that the bottom of the 25line screen capture
>> differs somewhat from the 50line capture.. see for yourself.
>> This is 100% consistent from boot to boot.
>>
>> Using CONFIG_DETECT_SOFTLOCKUP=y eliminates the problem,
>> so that's really got to be a huge clue, somehow ?
>
> I twisted my brain, why the watchdog thread might change the problem and
> I think I have a rough idea of the scenario.
>
> Can you apply the following patch, which prints out the CPU on which the
> kernel messages are generated and upload the screenshot when the hang
> happens ? Oh, please enable CONFIG_PRINTK_TIME or add "time" to the
> kernel commandline.

Done, and done.
And I managed to capture more of the boot messages, too.
This new capture is in the "sequence" subdir at the previous link.

Cheers