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

Mark Lord
2007-04-30T23:36:34Z

Mark Lord wrote:
> Mark Lord wrote:
>> Mark Lord wrote:
>>> I have a new notebook (Dell Inspiron 9400) with Core2-Duo T7400 @
>>> 2.1Ghz.
>>> When either/both of CONFIG_NO_HZ, CONFIG_HIGH_RES_TIMERS is used,
>>> the 2.6.21 kernel hangs on startup just after printing one/both of
>>> these:
>> ..
>>
>> That's a hard hang, by the way. No magic sysrq key or anything.

Well, in case this helps. If I take the exact same .config that fails,
and add *only* this to it, it then boots just fine.

CONFIG_DETECT_SOFTLOCKUP=y

Thomas G., are you there??