Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760163AbXIVBz2 (ORCPT ); Fri, 21 Sep 2007 21:55:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755430AbXIVBzT (ORCPT ); Fri, 21 Sep 2007 21:55:19 -0400 Received: from smtp.ustc.edu.cn ([202.38.64.16]:44254 "HELO ustc.edu.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1755621AbXIVBzP (ORCPT ); Fri, 21 Sep 2007 21:55:15 -0400 Message-ID: <390426111.11400@ustc.edu.cn> X-EYOUMAIL-SMTPAUTH: wfg@mail.ustc.edu.cn Date: Sat, 22 Sep 2007 09:55:09 +0800 From: Fengguang Wu To: Hugh Dickins Cc: Peter Zijlstra , Andy Whitcroft , Andrew Morton , linux-kernel@vger.kernel.org, spamtrap@knobisoft.de Subject: Re: 2.6.23-rc6-mm1 -- mkfs stuck in 'D' Message-ID: <20070922015509.GA5332@mail.ustc.edu.cn> References: <20070918011841.2381bd93.akpm@linux-foundation.org> <20070919164348.GC2519@shadowen.org> <20070919224409.24baa75b@lappy> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-GPG-Fingerprint: 53D2 DDCE AB5C 8DC6 188B 1CB1 F766 DA34 8D8B 1C6D User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 40561 Lines: 495 On Thu, Sep 20, 2007 at 12:31:39PM +0100, Hugh Dickins wrote: > On Wed, 19 Sep 2007, Peter Zijlstra wrote: > > On Wed, 19 Sep 2007 21:03:19 +0100 (BST) Hugh Dickins > > wrote: > > > > > On Wed, 19 Sep 2007, Andy Whitcroft wrote: > > > > Seems I have a case of a largish i386 NUMA (NUMA-Q) which has a mkfs > > > > stuck in a 'D' wait: > > > > > > > > ======================= > > > > mkfs.ext2 D c10220f4 0 6233 6222 > > > > [] io_schedule_timeout+0x1e/0x28 > > > > [] congestion_wait+0x62/0x7a > > > > [] get_dirty_limits+0x16a/0x172 > > > > [] balance_dirty_pages+0x154/0x1be > > > > [] generic_perform_write+0x168/0x18a > > > > [] generic_file_buffered_write+0x73/0x107 > > > > [] __generic_file_aio_write_nolock+0x47a/0x4a5 > > > > [] generic_file_aio_write_nolock+0x48/0x9b > > > > [] do_sync_write+0xbf/0xfc > > > > [] vfs_write+0x8d/0x108 > > > > [] sys_write+0x41/0x67 > > > > [] syscall_call+0x7/0xb > > > > ======================= > > > > > > [edited out some bogus lines from stale stack] > > > > > > > This machine and others have run numerous test runs on this kernel and > > > > this is the first time I've see a hang like this. > > > > > > I've been seeing something like that on 4-way PPC64: in my case I've > > > shells hanging in D state trying to append to kernel build log on ext3 > > > (the builds themselves going on elsewhere, in tmpfs): one of the shells > > > holding i_mutex and stuck doing congestion_waits from balance_dirty_pages. > > > > > > > I wonder if this is the ultimate cause of the couple of mainline hangs > > > > which were seen, but not diagnosed. > > > > > > My *guess* is that this is peculiar to 2.6.23-rc6-mm1, and from Peter's > > > mm-per-device-dirty-threshold.patch. printks showed bdi_nr_reclaimable > > > 0, bdi_nr_writeback 24, bdi_thresh 1 in balance_dirty_pages (though I've > > > not done enough to check if those really correlate with the hangs), > > > and I'm wondering if the bdi_stat_sum business is needed on the > > > !nr_reclaimable path. > > > > FWIW my tired brain seems to think it the !nr_reclaimable path needs it > > just the same. So this change seems to make sense for now :-) > > Thanks. > > > > So I'm running now with the patch below, good so far, but can't judge > > > until tomorrow whether it has actually addressed the problem seen. > > Last night's run went well: that patch does indeed seem to have fixed it. > Looking at the timings (some variance but _very_ much less than the night > before), there does appear to be some other occasional slight slowdown - > but I've no reason to suspect your patch for it, nor to suppose it's > something new: it may just be an artifact of my heavy swap thrashing. > > > [PATCH mm] mm per-device dirty threshold fix > > Fix occasional hang when a task couldn't get out of balance_dirty_pages: > mm-per-device-dirty-threshold.patch needs to reevaluate bdi_nr_writeback > across all cpus when bdi_thresh is low, even in the case when there was > no bdi_nr_reclaimable. > > Signed-off-by: Hugh Dickins Thank you Hugh. I ran into similar problems with many dd(large file) operations. This patch seems to fix it. But now my desktop was locked up again when writing a lot of small files. The problem is repeatable with the command $ ketchup 2.6.23-rc6-mm1 I writeup two debug patches: --- mm/page-writeback.c | 9 +++++++++ 1 file changed, 9 insertions(+) --- linux-2.6.22.orig/mm/page-writeback.c +++ linux-2.6.22/mm/page-writeback.c @@ -426,6 +426,14 @@ static void balance_dirty_pages(struct a bdi_nr_writeback = bdi_stat(bdi, BDI_WRITEBACK); } + printk(KERN_DEBUG "balance_dirty_pages written %lu %lu congested %d limits %lu %lu %lu %lu %lu %ld\n", + pages_written, + write_chunk - wbc.nr_to_write, + bdi_write_congested(bdi), + background_thresh, dirty_thresh, + bdi_thresh, bdi_nr_reclaimable, bdi_nr_writeback, + bdi_thresh - bdi_nr_reclaimable - bdi_nr_writeback); + if (bdi_nr_reclaimable + bdi_nr_writeback <= bdi_thresh) break; if (pages_written >= write_chunk) --- mm/page-writeback.c | 5 +++++ 1 file changed, 5 insertions(+) --- linux-2.6.22.orig/mm/page-writeback.c +++ linux-2.6.22/mm/page-writeback.c @@ -373,6 +373,7 @@ static void balance_dirty_pages(struct a long bdi_thresh; unsigned long pages_written = 0; unsigned long write_chunk = sync_writeback_pages(); + int i = 0; struct backing_dev_info *bdi = mapping->backing_dev_info; @@ -434,6 +435,10 @@ static void balance_dirty_pages(struct a bdi_thresh, bdi_nr_reclaimable, bdi_nr_writeback, bdi_thresh - bdi_nr_reclaimable - bdi_nr_writeback); + if (i++ > 200) { + printk(KERN_WARNING "balance_dirty_pages force break\n"); + break; + } if (bdi_nr_reclaimable + bdi_nr_writeback <= bdi_thresh) break; if (pages_written >= write_chunk) Here are the output messages: [ 1305.361511] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.361519] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.361526] balance_dirty_pages written 3 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.461889] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.461922] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.461930] balance_dirty_pages written 3 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.562267] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.562275] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.562283] balance_dirty_pages written 3 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.662719] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.662797] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.662816] balance_dirty_pages written 3 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.662818] balance_dirty_pages force break [ 1305.667031] balance_dirty_pages written 1 1 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.682925] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.682929] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.682934] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.783100] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.783132] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.783140] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.883478] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.883509] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.883517] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.983896] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.983904] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1305.983912] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.006108] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.006116] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.006123] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.007122] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.007129] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.007136] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.024303] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.024307] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.024311] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.124486] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.124516] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.124524] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.224742] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.224750] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.224758] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.247682] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.247690] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.247697] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.248682] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.248689] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.248697] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.344993] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.345001] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.345008] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.445220] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.445257] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.445265] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.545628] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.545636] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.545644] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.646110] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.646200] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.646205] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.746427] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.746458] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.746466] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.846845] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.846880] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.846888] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.947430] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.947439] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1306.947446] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.047803] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.047837] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.047845] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.148199] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.148208] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.148215] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.248577] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.248607] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.248615] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.348996] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.349026] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.349034] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.449380] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.449410] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.449418] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.549751] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.549759] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.549767] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.650149] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.650183] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.650190] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.750530] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.750538] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.750546] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.850927] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.850962] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.850969] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.951391] balance_dirty_pages written 0 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.951424] balance_dirty_pages written 2 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1307.951432] balance_dirty_pages written 1 0 congested 0 limits 48869 195477 5801 5760 288 -247 [ 1308.051824] balance_dirty_pages written 0 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.051886] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.051894] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.152223] balance_dirty_pages written 0 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.152256] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.152264] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.252599] balance_dirty_pages written 0 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.252607] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.252615] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.352997] balance_dirty_pages written 0 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.353005] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.353013] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.453382] balance_dirty_pages written 0 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.453412] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.453420] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.553754] balance_dirty_pages written 0 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.553761] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.553769] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.654103] balance_dirty_pages written 0 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.654147] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.654155] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.754209] balance_dirty_pages written 0 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.754248] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.754255] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.844406] balance_dirty_pages written 0 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.844444] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.844448] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.944852] balance_dirty_pages written 0 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.944860] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.944867] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.995227] balance_dirty_pages written 0 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.995231] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1308.995235] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.005342] balance_dirty_pages written 2 2 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.005350] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.005358] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.015297] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.015301] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.015305] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.015412] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.015419] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.015427] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.115487] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.115518] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.115526] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.215864] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.215872] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.215879] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.316242] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.316250] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.316257] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.416642] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.416672] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.416680] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.517019] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.517027] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.517034] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.617417] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.617425] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.617432] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.717936] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.717978] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.717984] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.818175] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.818182] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.818190] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.918592] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.918599] balance_dirty_pages written 2 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1309.918607] balance_dirty_pages written 1 0 congested 0 limits 48869 195478 5801 5760 288 -247 [ 1310.019012] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.019043] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.019051] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.119388] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.119396] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.119403] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.219766] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.219774] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.219781] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.320205] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.320239] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.320246] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.420603] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.420611] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.420618] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.520981] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.520988] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.520996] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.621359] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.621367] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.621374] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.721914] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.721947] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.721961] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.822156] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.822191] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.822199] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.922554] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.922585] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1310.922592] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.022993] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.023002] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.023009] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.123330] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.123364] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.123372] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.223506] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.223514] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.223521] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.313664] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.313672] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.313679] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.413853] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.413862] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.413870] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.514198] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.514230] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.514238] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.614576] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.614584] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.614591] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.715096] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.715105] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.715113] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.815333] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.815364] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.815372] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.915751] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.915759] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1311.915767] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.016129] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.016138] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.016145] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.116529] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.116563] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.116571] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.216904] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.216912] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.216919] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.317384] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.317392] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.317399] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.417763] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.417794] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.417802] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.518140] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.518148] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.518155] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.618538] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.618545] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.618553] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.719060] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.719100] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.719104] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.819315] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.819324] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.819331] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.919692] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.919700] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1312.919707] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.020193] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.020226] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.020233] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.120590] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.120620] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.120628] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.221008] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.221039] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.221047] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.321386] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.321416] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.321424] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.421764] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.421771] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.421779] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.522162] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.522196] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.522204] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.622581] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.622588] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.622596] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.722943] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.722987] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.723002] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.812976] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.823016] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.823024] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.913212] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.923271] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1313.923279] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.013607] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.023626] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.023634] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.113967] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.124031] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.124039] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.214366] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.224404] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.224412] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.314764] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.324823] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.324831] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.415182] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.425242] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.425250] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.515601] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.525660] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.525667] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.615999] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.626036] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.626043] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.716378] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.726591] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.726596] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.816777] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.826814] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.826822] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.917174] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.927233] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1314.927241] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1315.017674] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1315.027734] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1315.027742] balance_dirty_pages written 1 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1315.118091] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1315.128150] balance_dirty_pages written 2 0 congested 0 limits 48869 195479 5801 5760 288 -247 [ 1315.128153] balance_dirty_pages force break Here are some messages when doing large dds: [ 508.251270] balance_dirty_pages written 599 599 congested 0 limits 49798 199193 6816 1 0 6815 [ 509.170366] balance_dirty_pages written 1540 1540 congested 0 limits 49733 198933 6806 6528 1536 -1258 [ 509.370627] balance_dirty_pages written 1544 1544 congested 2 limits 49733 198933 7976 4584 1824 1568 [ 509.371882] balance_dirty_pages written 1544 1544 congested 2 limits 49733 198933 7999 3456 2904 1639 [ 511.733791] balance_dirty_pages written 1540 1540 congested 0 limits 49728 198913 10999 18288 0 -7289 [ 511.735048] balance_dirty_pages written 1540 1540 congested 0 limits 49728 198913 12012 16752 0 -4740 [ 511.736506] balance_dirty_pages written 1540 1540 congested 0 limits 49728 198913 12306 15192 1056 -3942 [ 512.002169] balance_dirty_pages written 1547 1547 congested 2 limits 49726 198905 13471 12624 1848 -1001 [ 512.003795] balance_dirty_pages written 1540 1540 congested 2 limits 49723 198892 13470 11088 3384 -1002 [ 512.083517] balance_dirty_pages written 1540 1540 congested 2 limits 49712 198850 13572 9336 4992 -756 [ 512.085145] balance_dirty_pages written 1540 1540 congested 2 limits 49706 198825 13569 7800 6528 -759 [ 512.086773] balance_dirty_pages written 1540 1540 congested 2 limits 49702 198808 13568 6240 8064 -736 [ 512.184267] balance_dirty_pages written 1539 1539 congested 2 limits 49697 198791 13649 5592 8592 -535 [ 512.185903] balance_dirty_pages written 1540 1540 congested 2 limits 49694 198778 13649 4056 10152 -559 [ 512.187506] balance_dirty_pages written 1540 1540 congested 2 limits 49688 198753 13647 2496 11688 -537 [ 512.259848] balance_dirty_pages written 1546 1546 congested 2 limits 49682 198728 13769 744 13248 -223 [ 512.554646] balance_dirty_pages written 618 618 congested 2 limits 49678 198712 14242 1 13368 873 [ 512.585204] balance_dirty_pages written 794 794 congested 2 limits 49657 198630 14500 1 12936 1563 [ 527.714294] balance_dirty_pages written 1540 1540 congested 0 limits 49608 198432 29502 28080 0 1422 [ 529.298022] balance_dirty_pages written 1540 1540 congested 0 limits 49579 198318 30307 34704 0 -4397 [ 529.304975] balance_dirty_pages written 1539 1539 congested 0 limits 49575 198302 32451 30600 0 1851 [ 529.305205] balance_dirty_pages written 1538 1538 congested 0 limits 49576 198306 32571 30384 0 2187 [ 529.306988] balance_dirty_pages written 1537 1537 congested 0 limits 49580 198320 32702 30120 0 2582 [ 530.893830] balance_dirty_pages written 1541 1541 congested 0 limits 49553 198214 34216 35352 0 -1136 [ 530.893970] balance_dirty_pages written 1538 1538 congested 0 limits 49553 198214 34290 35160 0 -870 [ 530.899873] balance_dirty_pages written 1546 1546 congested 0 limits 49556 198227 36248 31248 0 5000 [ 530.900282] balance_dirty_pages written 1546 1546 congested 0 limits 49557 198231 36442 30864 0 5578 [ 530.900586] balance_dirty_pages written 1539 1539 congested 0 limits 49558 198235 36601 30552 0 6049 [ 532.343097] balance_dirty_pages written 1541 1541 congested 0 limits 49530 198120 37862 36072 0 1790 [ 532.343595] balance_dirty_pages written 1547 1547 congested 0 limits 49533 198132 38081 35640 0 2441 [ 533.872355] balance_dirty_pages written 1540 1540 congested 0 limits 49502 198009 41148 37224 0 3924 [ 542.566083] balance_dirty_pages written 1542 1542 congested 0 limits 49367 197469 51948 52680 0 -732 [ 542.567093] balance_dirty_pages written 1537 1537 congested 0 limits 49370 197482 52663 50952 0 1711 [ 542.586552] balance_dirty_pages written 1540 1540 congested 0 limits 49352 197410 54545 46032 0 8513 [ 542.606002] balance_dirty_pages written 1540 1540 congested 0 limits 49337 197350 55132 44520 0 10612 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/