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Date:	Thu, 8 Oct 2015 14:56:50 -0400
From:	"John Stoffel" <>
To:	Nikolay Borisov <>
Cc:	John Stoffel <>,
	"Linux-Kernel\@Vger. Kernel. Org" <>,
	linux-ext4 <>,
	"Theodore Ts'o" <>, Marian Marinov <>,
	Jan Kara <>
Subject: Re: Hard lockup in ext4_finish_bio

>>>>> "Nikolay" == Nikolay Borisov <> writes:

Nikolay> On 10/08/2015 05:34 PM, John Stoffel wrote:
>> Great bug report, but you're missing the info on which kernel
>> you're

Nikolay> This is on 3.12.47 (self compiled). It was evident on my
Nikolay> initial post, but I did forget to mention that in the
Nikolay> reply. Also, I suspect even current kernel are susceptible to
Nikolay> this since the locking in question hasn't changed.

Hi Nikolay, must have missed it.  I looked quickly, but didn't find
it.  Since it's such an older kernel release, it might be best if you
upgrade to the latest version and try to re-create the lock if at all

What kind of workload are you running on there?  And if you have more
details on the hardware, that might help as well.  


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