From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH block/for-3.3/core] block: an exiting task should be allowed to create io_context Date: Wed, 28 Dec 2011 09:55:12 -0800 Message-ID: References: <20111222150836.af172886.akpm@linux-foundation.org> <20111222232036.GP17084@google.com> <20111222152427.c944c747.akpm@linux-foundation.org> <20111222233843.GR17084@google.com> <20111222154427.89b245c7.akpm@linux-foundation.org> <20111222234639.GS17084@google.com> <20111223004244.GU17084@google.com> <20111225010238.GA6013@htj.dyndns.org> <20111228164836.GP17712@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Hugh Dickins Cc: Jens Axboe , Andrew Morton , Stephen Rothwell , linux-next@vger.kernel.org, LKML , linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, x86@kernel.org List-Id: linux-next.vger.kernel.org Hello, On Wed, Dec 28, 2011 at 9:50 AM, Hugh Dickins wrote: > "It's the tmpfs swapping test that I've been running, with variations= , > for years. =A0System booted with mem=3D700M and 1.5G swap, two repeti= tious > make -j20 kernel builds (of a 2.6.24 kernel: I stuck with that becaus= e > the balance of built to unbuilt source grows smaller with later kerne= ls), > one directly in a tmpfs, the other in a 1k-block ext2 (that I drive w= ith > ext4's CONFIG_EXT4_USE_FOR_EXT23) on /dev/loop0 on a 450MB tmpfs file= =2E" > > I doubt much of that (quoted from an older mail to someone else about > one of the many other bugs it's found) is relevant: maybe just plenty > of file I/O and swapping. Plain -j4 build isn't triggering anything. I'll try to replicate the c= ondition. Thanks. --=20 tejun