From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Fw: [Bug 111771] New: deadlock in ppp/l2tp Date: Wed, 3 Feb 2016 11:04:31 +1100 Message-ID: <20160203110431.7b878a4f@samsung9> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from mail-pa0-f43.google.com ([209.85.220.43]:34116 "EHLO mail-pa0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752246AbcBCAwG (ORCPT ); Tue, 2 Feb 2016 19:52:06 -0500 Received: by mail-pa0-f43.google.com with SMTP id uo6so3354766pac.1 for ; Tue, 02 Feb 2016 16:52:05 -0800 (PST) Received: from samsung9 ([138.44.251.21]) by smtp.gmail.com with ESMTPSA id b63sm5298931pfj.25.2016.02.02.16.52.03 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Feb 2016 16:52:04 -0800 (PST) Sender: netdev-owner@vger.kernel.org List-ID: Please excuse URL mangling, my bugzilla address appears to route through stupid corporate firewall. Begin forwarded message: Date: Tue, 2 Feb 2016 18:38:41 +0000 From: "bugzilla-daemon@bugzilla.kernel.org" To: "shemminger@linux-foundation.org" Subject: [Bug 111771] New: deadlock in ppp/l2tp https://urldefense.proofpoint.com/v2/url?u=https-3A__bugzilla.kernel.org_show-5Fbug.cgi-3Fid-3D111771&d=CwICaQ&c=IL_XqQWOjubgfqINi2jTzg&r=q_lvUiVm1uM6QEw9TPH-6jiV__hsrE6xXUAtATPE9x0&m=QRVzJYt9nD-EOW0XdrPpw2-kYmZu0sg62aaPeiiLI_Q&s=l3HC8fgAgyPVwSgMaX2Hjr8GL3P5j2fL1kDXhEW-v9w&e= Bug ID: 111771 Summary: deadlock in ppp/l2tp Product: Networking Version: 2.5 Kernel Version: 4.3.2 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Other Assignee: shemminger@linux-foundation.org Reporter: sorinm@gmail.com Regression: No Created attachment 202771 --> https://urldefense.proofpoint.com/v2/url?u=https-3A__bugzilla.kernel.org_attachment.cgi-3Fid-3D202771-26action-3Dedit&d=CwICaQ&c=IL_XqQWOjubgfqINi2jTzg&r=q_lvUiVm1uM6QEw9TPH-6jiV__hsrE6xXUAtATPE9x0&m=QRVzJYt9nD-EOW0XdrPpw2-kYmZu0sg62aaPeiiLI_Q&s=2a_KCXgtoQ6NLxDon6_3flSUMpb7Tjj8WhGPZ09E8Vo&e= kernel.log, config, cpuinfo I'm getting a deadlock and the computer is unresponsive shortly after setting up a xl2tpd/ipsec vpn connection. The deadlock occurs every time, it is very reproducible on my computer. It is the mainline kernel, version 4.3.2. The processor is given in a copy /proc/cpuinfo that I've attached. uname: Linux version 4.3.2 (gcc version 5.3.1 20160121 (Debian 5.3.1-7) ) #5 SMP PREEMPT Sat Jan 30 00:05:40 CET 2016 ppp is from the debian package of their unstable distribution: ppp_2.4.7-1+2_amd64 I've attached the kernel config file and the kernel log. -- You are receiving this mail because: You are the assignee for the bug.