Re: -mm hang while shutdown with printk_delay

[Andrew Morton]

On Tue, 18 Aug 2009 11:25:22 +0800 Dave Young <hidave.darkstar@xxxxxxxxx> wrote:

> Hi,
> 
> Test with printk_delay=200,
> 
> /sbin/halt -p
> 
> kernel hang after following message:
> 
> Disabling non-boot CPUs
> 
> There's no such problem with 2.6.31-rc6

umm, OK.  But -mm contains six patches:

printk-boot_delay-rename-printk_delay_msec-to-loops_per_msec.patch
printk-boot_delay-rename-printk_delay_msec-to-loops_per_msec-fix.patch
printk-boot_delay-rename-printk_delay_msec-to-loops_per_msec-fix-2.patch
printk-add-printk_delay-to-make-messages-readable-for-some-scenarios.patch
printk-add-printk_delay-to-make-messages-readable-for-some-scenarios-fix.patch
printk-add-printk_delay-to-make-messages-readable-for-some-scenarios-cleanup.patch

from yourself.  Are they the cause?
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