From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: [Bug 13716] New: The AIC-7892P controller does not work any more Date: Sun, 5 Jul 2009 13:51:26 -0600 Message-ID: <20090705195126.GT5480@parisc-linux.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from palinux.external.hp.com ([192.25.206.14]:48755 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752067AbZGETvX (ORCPT ); Sun, 5 Jul 2009 15:51:23 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: bugzilla-daemon@bugzilla.kernel.org Cc: linux-scsi@vger.kernel.org On Sun, Jul 05, 2009 at 07:23:18PM +0000, bugzilla-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=13716 > > The usual probe fails with an error message saying that no IRQ could be > assigned to the controller, possibly due to a corrupt MP table. > > The controller works fine with 2.6.30.1 and below. > > This is how the adapter is normally initialized (messages from 2.6.29.6): > aic7xxx 0000:01:03.0: PCI INT A -> GSI 28 (level, low) -> IRQ 28 > scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0 > > aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs > > With 2.6.31-rc1, the kernel freezes with an error message and tries to restart > the controller periodically, which always fails. That sounds like you have an interrupt routing problem, not a problem with the AIC driver. Can you bisect this down to a particular commit? -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step."