From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2070C432C1 for ; Tue, 24 Sep 2019 19:33:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8E8C0214DA for ; Tue, 24 Sep 2019 19:33:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394495AbfIXTdD (ORCPT ); Tue, 24 Sep 2019 15:33:03 -0400 Received: from rigel.uberspace.de ([95.143.172.238]:55000 "EHLO rigel.uberspace.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388207AbfIXTdD (ORCPT ); Tue, 24 Sep 2019 15:33:03 -0400 Received: (qmail 25545 invoked from network); 24 Sep 2019 19:33:00 -0000 Received: from localhost (HELO webmail.rigel.uberspace.de) (127.0.0.1) by ::1 with SMTP; 24 Sep 2019 19:33:00 -0000 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Tue, 24 Sep 2019 21:33:00 +0200 From: Moritz M To: ronnie sahlberg Cc: linux-cifs Subject: Re: Possible timeout problem when opening a file twice on a SMB mount In-Reply-To: References: <61d3d6774247fe6159456b249dbc3c63@moritzmueller.ee> <4a017b583eb0f5fab477ecbe0e43b3a1@moritzmueller.ee> Message-ID: <00568300f4dcc0bc9295bc4adf5791c9@moritzmueller.ee> X-Sender: mailinglist@moritzmueller.ee Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org Am 2019-09-24 20:11, schrieb ronnie sahlberg: > That pcap shows a problem with the lease break. > > I just tried your python reproducer with the current cifs upstream > kernel and the problem does not manifest. > There were oplock related fixes in the cifs.ko module a while ago that > might have fixed the problem you see. > > Which kernel version are you using ? 5.1.21-1-MANJARO with mount.cifs version: 6.8 Samba on the server side is version 4.4.16 > > > On Tue, Sep 24, 2019 at 10:53 AM Moritz M > wrote: >> >> Hi Pavel, >> > >> > >> > Could you please enable debugging logging >> > (https://wiki.samba.org/index.php/LinuxCIFS_troubleshooting#Enabling_Debugging), >> > reproduce the problem and send us the kernel logs? A network capture >> > of a repro could also be useful >> > (https://wiki.samba.org/index.php/LinuxCIFS_troubleshooting#Wire_Captures). >> >> see the debug output and the pcap file attached. >> >> Best regards >> Moritz >>