Re: frequent lockups in 3.18rc4

From: Chris Mason
Date: Wed Dec 03 2014 - 15:57:41 EST

On Wed, Dec 3, 2014 at 3:11 PM, Dave Jones <davej@xxxxxxxxxx> wrote:
On Wed, Dec 03, 2014 at 02:59:58PM -0500, Chris Mason wrote:

> You've also mentioned a few times where messages stopped hitting the
> console?
> commit 5874af2003b1aaaa053128d655710140e3187226
> Author: Jan Kara <jack@xxxxxxx>
> Date: Wed Aug 6 16:09:10 2014 -0700
> printk: enable interrupts before calling
> console_trylock_for_printk()


Jan Kara has been talking about printk deadlocks for some time. I wouldn't have expected it to get worse since 3.16, but we do have a few printk cleanups and fixes in there.


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