Re: [bug] latest -git boot hang

Linus Torvalds
2008-10-10T21:11:34Z

On Fri, 10 Oct 2008, Ingo Molnar wrote:
>
> | 870d6656126add8e383645732b03df2b7ccd4f94 is first bad commit
> | commit 870d6656126add8e383645732b03df2b7ccd4f94
> | Author: Tejun Heo <tj@kernel.org>
> | Date: Mon Aug 25 19:47:25 2008 +0900
> |
> | block: implement CONFIG_DEBUG_BLOCK_EXT_DEVT
>
> and meanwhile 2 other test-systems failed to boot as well - both have
> CONFIG_DEBUG_BLOCK_EXT_DEVT=y.
>
> So i guess this debug feature is working as expected.

Ahh, yeah, sounds that way.

> I guess we should mark CONFIG_DEBUG_BLOCK_EXT_DEVT=y as really dangerous
> to enable because contemporary distributions (i tried Fedora 9) fail
> with it too?

Tejun - do you know whether _any_ distro will boot with
CONFIG_DEBUG_BLOCK_EXT_DEVT=y?

It does sound like perhaps the option should be hidden more, if it's
really only reasonably enabled for some very specialized distro debuggers,
not normal kernel people.

Linus