Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753154AbXEAQCq (ORCPT ); Tue, 1 May 2007 12:02:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753377AbXEAQCq (ORCPT ); Tue, 1 May 2007 12:02:46 -0400 Received: from mx2.redhat.com ([66.187.237.31]:46411 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753154AbXEAQCp (ORCPT ); Tue, 1 May 2007 12:02:45 -0400 Message-ID: <46376474.8090505@redhat.com> Date: Tue, 01 May 2007 12:01:56 -0400 From: Chuck Ebbert Organization: Red Hat User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org, Ivan Kokshaysky , Greg Kroah-Hartman , Andrew Morton Subject: Re: regression on quad Xeon: no SCSI-disks References: <20070501142431.GA11667@erig.dyndns.org> In-Reply-To: <20070501142431.GA11667@erig.dyndns.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2555 Lines: 62 Wolfgang Erig wrote: > Sorry > for detecting this 2 year old regression so late. > > 2.6.13 or later is bad. > 2.6.12 is good, > > "git bisect" worked fine and points to the attached patch. > The patch is pretty small. The problem seemed to be dependant > on the PCI-architecture of these particular systems. > Tried this on two machines with the same behaviour. > > Wolfgang > > > $ git bisect bad > 299de0343c7d18448a69c635378342e9214b14af is first bad commit > commit 299de0343c7d18448a69c635378342e9214b14af > Author: Ivan Kokshaysky > Date: Wed Jun 15 18:59:27 2005 +0400 > > [PATCH] PCI: pci_assign_unassigned_resources() on x86 > > - Add sanity check for io[port,mem]_resource in setup-bus.c. These > resources look like "free" as they have no parents, but obviously > we must not touch them. > - In i386.c:pci_allocate_bus_resources(), if a bridge resource cannot be > allocated for some reason, then clear its flags. This prevents any child > allocations in this range, so the setup-bus code will work with a clean > resource sub-tree. > - i386.c:pcibios_enable_resources() doesn't enable bridges, as it checks > only resources 0-5, which looks like a clear bug to me. I suspect it > might break hotplug as well in some cases. > > From: Ivan Kokshaysky > Signed-off-by: Greg Kroah-Hartman > > :040000 040000 ecab084beb95987f3e4ead8b61ce19cc052a5fa3 4c1364a6fd511b6dc6ddec06d787bcf105687835 M arch > :040000 040000 0956f28cde32bd7494d7a87e2814bcd726547a32 0d2e2b611b007085e5a0994a66fd9c0a873ac8f8 M drivers > > ====== on console ======= > sym0: <875> rev 0x26 at pci 0000:01:02.0 irq 30 > sym0: Symbios NVRAM, ID 7, Fast-20, SE, parity checking > sym0: open drain IRQ line driver, using on-chip SRAM > sym0: using LOAD/STORE-based firmware. > sym0: SCSI BUS has been reset. > scsi0 : sym-2.2.0 > scsi 0:0:0:0 ABORT operation started. > scsi 0:0:0:0 ABORT operation timed-out. > scsi 0:0:0:0 DEVICE RESET operation started. > scsi 0:0:0:0 DEVICE RESET operation timed-out. > scsi 0:0:0:0 BUS RESET operation started. > scsi 0:0:0:0 BUS RESET operation timed-out. > .... Output from kernel with CONFIG_PCI_DEBUG could be useful. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/