From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brian King Subject: Re: ipr boot failure caused by MSI (2.6.30-rc1+) Date: Thu, 21 May 2009 13:47:14 -0500 Message-ID: <4A15A1B2.8060609@linux.vnet.ibm.com> References: <1242926159.3007.5.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from e6.ny.us.ibm.com ([32.97.182.146]:39535 "EHLO e6.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752954AbZEUSrO (ORCPT ); Thu, 21 May 2009 14:47:14 -0400 Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by e6.ny.us.ibm.com (8.13.1/8.13.1) with ESMTP id n4LInd5g028919 for ; Thu, 21 May 2009 14:49:39 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n4LIlG89243862 for ; Thu, 21 May 2009 14:47:16 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n4LIlF7O008518 for ; Thu, 21 May 2009 14:47:15 -0400 In-Reply-To: <1242926159.3007.5.camel@localhost.localdomain> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: James Bottomley Cc: Wayne Boyer , Brian King , linux-scsi , ppc-dev cc'ing linuxppc-dev... -Brian James Bottomley wrote: > Kernels after 2.6.30-rc1 stopped booting on my powerstation. The ipr > just times out and refuses to probe devices. If I let it drop into the > initramfs system, this is what the interrupts shows: > > (initramfs) cat /proc/interrupts > CPU0 CPU1 CPU2 CPU3 > 16: 20 10 13 11 MPIC Level pata_amd > 20: 0 0 0 0 MPIC Level ohci_hcd:usb1, ohci_hcd:usb2 > 21: 0 0 0 0 MPIC-U3MSI Edge ipr > 68: 37 37 48 37 MPIC Edge serial > 251: 10 71 69 72 MPIC Edge ipi call function > 252: 1555 1779 1372 1155 MPIC Edge ipi reschedule > 253: 0 0 0 0 MPIC Edge ipi call function single > 254: 0 0 0 0 MPIC Edge ipi debugger > BAD: 416 > > So you see the IPR is the only device not receiving them. > > I can fix the boot hang by reverting > > commit 5a9ef25b14d39b8413364df12cb8d9bb7a673a32 > Author: Wayne Boyer > Date: Fri Jan 23 09:17:35 2009 -0800 > > [SCSI] ipr: add MSI support > > The system in question is: > > SYSTEM INFORMATION > Processor = PowerPC,970MP @ 2500 MHz > I/O Bridge = U4 (4.4) > SMP Size = 4 (#0 #1 #2 #3) > Boot-Date = 2009-04-21 17:13:36 > Memory = 2 GB of RAM @ 666 MHz > Board Type = Bimini (7047191/0000000/1) > MFG Date = 1608 > Part No. = 10N8748 > FRU No. = 10N7182 > FRU Serial = YL30W8106038 > UUID = 00000000000000000000000000000000 > Flashside = 1 (temporary) > Version = HEAD > Build Date = 12-04-2008 16:13 > > James > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Brian King Linux on Power Virtualization IBM Linux Technology Center