From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Guertin Subject: Re: Applications using fsync cause hangs for several seconds every few minutes Date: Wed, 17 Aug 2011 10:38:42 -0400 Message-ID: <4E4BD272.8000704@uvm.edu> References: <4E41A6A4.9070702@uvm.edu> <4E4BCF0C.7060109@uvm.edu> <4E4BD05B.9070501@cchtml.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: linux-btrfs@vger.kernel.org To: Michael Cronenworth Return-path: In-Reply-To: <4E4BD05B.9070501@cchtml.com> List-ID: On 08/17/2011 10:29 AM, Michael Cronenworth wrote: > Andrew Guertin on 08/17/2011 09:24 AM wrote: >> I (and presumably others) haven't >> been able to upgrade my kernel past 2.6.38 because of this. > > I'm running kernel 3.0 (Fedora 15's 2.6.40) on two boxes and I have not > seen slow downs or hangs. I use Firefox. Well I'd expect it to be somewhat uncommon, or it wouldn't survive 3 kernel versions :) But at least 3 people have reported it, and for me at least it's reliably reproducible enough to bisect, so I'm quite certain there's something going on. --Andrew