Re: [3.14-rc1] BUG: soft lockup - CPU#1 stuck for 22s with 255 GiB BTRFS with only 6 GiB free

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On Tue, Feb 11, 2014 at 10:36 AM, Martin Steigerwald
<Martin@xxxxxxxxxxxx> wrote:
> Today I started getting those on 3.14-rc. One core as displayed as 100%
> system CPU. I rebooted cause the system didn´t respond consistently to
> user input anymore.

Does 3.14-rc1 have Joseph's delayed refs throttling code?  I had two
separate machines that exhibited similar symptoms.  Chris's for-linus
branch has a fix for this which solved my problems:
https://git.kernel.org/cgit/linux/kernel/git/mason/linux-btrfs.git/commit/?h=for-linus&id=27a377db745ed4d11b3b9b340756857cb8dde07f
-- 
-=[dave]=-

Entropy isn't what it used to be.
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