From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ying Xue Subject: Re: [PATCH 0/6 net-next] rhashtable fixes Date: Wed, 4 Feb 2015 10:32:36 +0800 Message-ID: <54D184C4.4090501@windriver.com> References: <54CB4A95.9060000@windriver.com> <20150130092911.GA2313@casper.infradead.org> <54CB5563.9080000@windriver.com> <20150203172113.GC25410@casper.infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Cc: , To: Thomas Graf Return-path: Received: from mail1.windriver.com ([147.11.146.13]:40980 "EHLO mail1.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754487AbbBDCdN (ORCPT ); Tue, 3 Feb 2015 21:33:13 -0500 In-Reply-To: <20150203172113.GC25410@casper.infradead.org> Sender: netdev-owner@vger.kernel.org List-ID: On 02/04/2015 01:21 AM, Thomas Graf wrote: > On 01/30/15 at 05:56pm, Ying Xue wrote: >> On 01/30/2015 05:29 PM, Thomas Graf wrote: >>> Right, I see the same soft lockup. Interestingly I cannot trigger it >>> with the rht test code. I can only trigger it with your Netlink socket >>> creation stress test. It is definitely related to the deferred worker, >>> when I disable growing, then the bug disappears. >> >> Yes, when I disable expansion, the soft lockup also disappears too. > > I have found the last remaining race and can now run your test > program successfully in an endless loop. > > I will resubmit a v2 of this series. > > Thanks! Once I receive your updates, I will test them again. Regards, Ying