From: "John Stoffel" Subject: Re: Hard lockup in ext4_finish_bio Date: Thu, 8 Oct 2015 14:56:50 -0400 Message-ID: <22038.48242.126925.476449@quad.stoffel.home> References: <56165784.60206@kyup.com> <22038.32498.570540.37956@quad.stoffel.home> <56167F93.8010408@kyup.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: John Stoffel , "Linux-Kernel\@Vger. Kernel. Org" , linux-ext4 , "Theodore Ts'o" , Marian Marinov , Jan Kara To: Nikolay Borisov Return-path: In-Reply-To: <56167F93.8010408@kyup.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org >>>>> "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 possible. What kind of workload are you running on there? And if you have more details on the hardware, that might help as well. John