From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-2.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1f19AD-0002Pa-GQ for user-mode-linux-devel@lists.sourceforge.net; Wed, 28 Mar 2018 11:22:45 +0000 Received: from lithops.sigma-star.at ([195.201.40.130]) by sfi-mx-3.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1f19AA-00DSpX-8O for user-mode-linux-devel@lists.sourceforge.net; Wed, 28 Mar 2018 11:22:45 +0000 From: Richard Weinberger Date: Wed, 28 Mar 2018 13:04:14 +0200 Message-ID: <3115476.io4Xh1L8hP@blindfold> In-Reply-To: References: MIME-Version: 1.0 Subject: Re: [uml-devel] UML hangs with hrtimer test module List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: Joel Fernandes Cc: Jeff Dike , user-mode-linux-devel@lists.sourceforge.net Am Mittwoch, 28. M=E4rz 2018, 12:28:02 CEST schrieb Joel Fernandes: > Hi, > = > I wrote a kernel module to play with hrtimer subsystem and it hangs > with UML, Any ideas on why it may be hanging? It doesn't hang on any > of my other machines. Hopefully I'm not doing something stupid, but I > don't think I am.. > = > It appears the timer handler does fire. However, the UML process is > continously doing a kill(SIGALRM) to the host, and the shell hangs. > Here's the continous strace output of UML's process at the time of the > hang: https://hastebin.com/ikehadapon.sql > = > To build UML, I do: > make ARCH=3Dum x86_64_defconfig > = > UML kernel version is v4.16-rc4 > = > Here's the module I'm loading: Please share the full sources that compile. The I can have a look. Thanks, //richard ---------------------------------------------------------------------------= --- Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel