From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank van Maarseveen Subject: nfsv3 client process stuck in rwsem_down_failed_common() Date: Mon, 14 May 2007 17:54:49 +0200 Message-ID: <20070514155449.GA5169@janus> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: Linux NFS mailing list Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1Hncss-0005wB-Tl for nfs@lists.sourceforge.net; Mon, 14 May 2007 08:54:51 -0700 Received: from frankvm.xs4all.nl ([80.126.170.174] helo=janus.localdomain) by mail.sourceforge.net with esmtp (Exim 4.44) id 1Hncsu-0002MX-HC for nfs@lists.sourceforge.net; Mon, 14 May 2007 08:54:53 -0700 List-Id: "Discussion of NFS under Linux development, interoperability, and testing." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfs-bounces@lists.sourceforge.net Errors-To: nfs-bounces@lists.sourceforge.net On a 2.6.21.1 NFSv3 client box multiple processes got stuck with this trace: [] rwsem_down_failed_common+0x85/0x180 [] rwsem_down_read_failed+0x1d/0x30 [] call_rwsem_down_read_failed+0x7/0x10 [] nlmclnt_unlock+0x2e/0xc0 [] nlmclnt_proc+0x29a/0x2d0 [] nfs3_proc_lock+0xe/0x10 [] do_unlk+0x44/0x70 [] nfs_lock+0xbd/0x120 [] locks_remove_posix+0xb1/0xc0 [] filp_close+0x2d/0x70 [] close_files+0x56/0x70 [] put_files_struct+0x1c/0x50 [] do_exit+0x13a/0x3f0 [] do_group_exit+0x29/0x70 [] get_signal_to_deliver+0x21f/0x2b0 [] do_signal+0x56/0x160 [] do_notify_resume+0x3e/0x40 [] work_notifysig+0x13/0x25 Two processes had an independent shared read lock on different files and when killing them with ^C they got stuck in state 'D' with above stack trace. I'm not sure what brought then there other than that the server went through a number of unusual reboots for testing purposes. -- Frank ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs