From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Wfyd7-0000gX-FA for user-mode-linux-devel@lists.sourceforge.net; Thu, 01 May 2014 21:34:57 +0000 Received: from mout.gmx.net ([212.227.17.20]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1Wfyd6-0003i6-6C for user-mode-linux-devel@lists.sourceforge.net; Thu, 01 May 2014 21:34:57 +0000 Message-ID: <5362BDD1.9070105@gmx.de> Date: Thu, 01 May 2014 23:34:09 +0200 From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= MIME-Version: 1.0 References: <53613E96.2030006@gmx.de> <536221F4.6000405@gmx.de> <53623EFE.3040603@nod.at> <5362651A.1020504@gmx.de> <5362B53E.5060601@nod.at> In-Reply-To: <5362B53E.5060601@nod.at> List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net Subject: Re: [uml-devel] trinity commit 23dc478aba breaks syscall "mremap" at a 32 bit user mode linux To: Richard Weinberger Cc: UML devel , trinity@vger.kernel.org On 05/01/2014 10:57 PM, Richard Weinberger wrote: > Toralf, > > Yeah, this is because trinity destroys the UML stub code. > Please test the attached patch, it should fix the root cause of the problem. > > Thanks, > //richard > If I do just apply fix2.patch onto latest git tree v3.15-rc3-113-gba6728f then I do get after a while : * Starting sshd ... [ ok ] * Starting local net.core.warnings = 0 [ ok ] Kernel panic - not syncing: do_syscall_stub : PTRACE_SETREGS failed, errno = 3 CPU: 0 PID: 1728 Comm: trinity-c0 Not tainted 3.15.0-rc3-00113-gba6728f-dirty #5 Stack: BUG: soft lockup - CPU#0 stuck for 22s! [trinity-c0:1728] EIP: c500:[<47c6cf00>] CPU: 0 Not tainted EFLAGS: 476af700 Not tainted EAX: 47cfc500 EBX: 0a024d00 ECX: 086c75fc EDX: 080fff88 ESI: 0839f4bc EDI: 47cfc500 EBP: 0839f4bc DS: c500 ES: cd62 EXT4-fs (ubda): error count: 1 EXT4-fs (ubda): initial error at 1398962134: ext4_mb_generate_buddy:756 EXT4-fs (ubda): last error at 1398962134: ext4_mb_generate_buddy:756 which is a big improvement because before it crashes immediately after few seconds. After applying both fixes the test case runs w/o a crash till now. -- Toralf ------------------------------------------------------------------------------ "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE Instantly run your Selenium tests across 300+ browser/OS combos. Get unparalleled scalability from the best Selenium testing platform available. Simple to use. Nothing to install. Get started now for free." http://p.sf.net/sfu/SauceLabs _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= Subject: Re: [uml-devel] trinity commit 23dc478aba breaks syscall "mremap" at a 32 bit user mode linux Date: Thu, 01 May 2014 23:34:09 +0200 Message-ID: <5362BDD1.9070105@gmx.de> References: <53613E96.2030006@gmx.de> <536221F4.6000405@gmx.de> <53623EFE.3040603@nod.at> <5362651A.1020504@gmx.de> <5362B53E.5060601@nod.at> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5362B53E.5060601@nod.at> Sender: trinity-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Richard Weinberger Cc: trinity@vger.kernel.org, UML devel On 05/01/2014 10:57 PM, Richard Weinberger wrote: > Toralf, > > Yeah, this is because trinity destroys the UML stub code. > Please test the attached patch, it should fix the root cause of the problem. > > Thanks, > //richard > If I do just apply fix2.patch onto latest git tree v3.15-rc3-113-gba6728f then I do get after a while : * Starting sshd ... [ ok ] * Starting local net.core.warnings = 0 [ ok ] Kernel panic - not syncing: do_syscall_stub : PTRACE_SETREGS failed, errno = 3 CPU: 0 PID: 1728 Comm: trinity-c0 Not tainted 3.15.0-rc3-00113-gba6728f-dirty #5 Stack: BUG: soft lockup - CPU#0 stuck for 22s! [trinity-c0:1728] EIP: c500:[<47c6cf00>] CPU: 0 Not tainted EFLAGS: 476af700 Not tainted EAX: 47cfc500 EBX: 0a024d00 ECX: 086c75fc EDX: 080fff88 ESI: 0839f4bc EDI: 47cfc500 EBP: 0839f4bc DS: c500 ES: cd62 EXT4-fs (ubda): error count: 1 EXT4-fs (ubda): initial error at 1398962134: ext4_mb_generate_buddy:756 EXT4-fs (ubda): last error at 1398962134: ext4_mb_generate_buddy:756 which is a big improvement because before it crashes immediately after few seconds. After applying both fixes the test case runs w/o a crash till now. -- Toralf