From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 14563] SCSI tape driver: Spurious EIO and kernel BUG Date: Mon, 23 Nov 2009 20:12:40 GMT Message-ID: <200911232012.nANKCeQN001054@demeter.kernel.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from demeter.kernel.org ([140.211.167.39]:45636 "EHLO demeter.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756736AbZKWUMd convert rfc822-to-8bit (ORCPT ); Mon, 23 Nov 2009 15:12:33 -0500 Received: from demeter.kernel.org (localhost.localdomain [127.0.0.1]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id nANKCeNV001055 for ; Mon, 23 Nov 2009 20:12:40 GMT In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org http://bugzilla.kernel.org/show_bug.cgi?id=3D14563 --- Comment #19 from Kai M=C3=A4kisara 2009= -11-23 20:12:38 --- On Mon, 23 Nov 2009, bugzilla-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=3D14563 >=20 >=20 >=20 >=20 >=20 > --- Comment #18 from Joachim Breuer 2009= -11-23 12:10:04 --- > Created an attachment (id=3D23877) --> (http://bugzilla.kernel.org/attachment.cgi?id=3D23877) > --> (http://bugzilla.kernel.org/attachment.cgi?id=3D23877) > Console output, 2.6.30.3, fixed tape block size 512k, patch by FUJITA= Tomonori > 2009-11-19 >=20 > The patch you sent changes the behavior: I still get the EIO after (i= n this > case) 239 I/O requests while writing to the tape; but the machine no = longer > hard-crashes with a BUG. >=20 > [I've removed the try_rdio=3D0/try_wdio=3D0 module parameters for thi= s test.] >=20 > Attached is the console log as usual with my comments interspersed; i= f I read > this correctly "st0: Number of r/w requests 239, dio used in 1, pages= 128." > direct I/O is used at least once before the problem occurs. >=20 Are you sure that you have used the patched st? The log does not show t= he=20 the debugging output from Fujita's patch. It also shows the problem=20 occurring before the patch: st0: Block size: 524288, buffer size: 516096 (0 blocks). Kai --=20 Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=3Demail ------- You are receiving this mail because: ------- You are the assignee for the bug.-- To unsubscribe from this list: send the line "unsubscribe linux-scsi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html