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

Daniel Walker
2007-04-30T23:48:16Z

On Mon, 2007-04-30 at 19:36 -0400, Mark Lord wrote:
> 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??

Hmm, Do you have a boot log ? I didn't see one in any of the last
emails.

Daniel