From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f70.google.com (mail-wm0-f70.google.com [74.125.82.70]) by kanga.kvack.org (Postfix) with ESMTP id 8C3C46B0038 for ; Thu, 15 Dec 2016 04:24:49 -0500 (EST) Received: by mail-wm0-f70.google.com with SMTP id s63so8330191wms.7 for ; Thu, 15 Dec 2016 01:24:49 -0800 (PST) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id m70si1604936wmg.143.2016.12.15.01.24.48 for (version=TLS1 cipher=AES128-SHA bits=128/128); Thu, 15 Dec 2016 01:24:48 -0800 (PST) From: Andreas Schwab Subject: Re: jemalloc testsuite stalls in memset References: <20161214235031.GA2912@bbox> Date: Thu, 15 Dec 2016 10:24:47 +0100 In-Reply-To: <20161214235031.GA2912@bbox> (Minchan Kim's message of "Thu, 15 Dec 2016 08:50:31 +0900") Message-ID: MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mbrugger@suse.de, linux-mm@kvack.org, Jason Evans On Dez 15 2016, Minchan Kim wrote: > You mean program itself access the address(ie, 0xffffb7400000) is hang > while access the address from the debugger is OK? Yes. > Can you reproduce it easily? 100% > Did you test it in real machine or qemu on x86? Both real and kvm. > Could you show me how I can reproduce it? Just run make check. > I want to test it in x86 machine, first of all. > Unfortunately, I don't have any aarch64 platform now so maybe I have to > run it on qemu on x86 until I can set up aarch64 platform if it is reproducible > on real machine only. > >> >> The kernel has been configured with transparent hugepages. >> >> CONFIG_TRANSPARENT_HUGEPAGE=y >> CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y >> # CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set >> CONFIG_TRANSPARENT_HUGE_PAGECACHE=y > > What's the exact kernel version? Anything >= your commit. > I don't think it's HUGE_PAGECACHE problem but to narrow down the scope, > could you test it without CONFIG_TRANSPARENT_HUGE_PAGECACHE? That cannot be deselected. Andreas. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different." -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org