From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752077AbcFVB2V (ORCPT ); Tue, 21 Jun 2016 21:28:21 -0400 Received: from userp1050.oracle.com ([156.151.31.82]:44128 "EHLO userp1050.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751270AbcFVB2B (ORCPT ); Tue, 21 Jun 2016 21:28:01 -0400 To: Linus Torvalds Cc: Josh Boyer , "Martin K. Petersen" , Johannes Thumshirn , Thorsten Leemhuis , Linux Kernel Mailing List , Quinn Tran Subject: Re: Reported regressions for 4.7 as of Sunday, 2016-06-19 From: "Martin K. Petersen" Organization: Oracle Corporation References: <7cc588b7-f1cf-62a8-e45b-ec7d863ba51e@leemhuis.info> Date: Tue, 21 Jun 2016 21:25:18 -0400 In-Reply-To: (Linus Torvalds's message of "Tue, 21 Jun 2016 13:40:06 -0700") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: userp1040.oracle.com [156.151.31.81] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "Linus" == Linus Torvalds writes: >> https://bugzilla.redhat.com/show_bug.cgi?id=1348342 This first one appears to be a crash in a USB sound doodad and not qla2xxx. Also, this appears to be where the 4.5.5 -> 4.5.6 notion comes from. So we can probably ignore 4.5.5 as the last good revision. Linus> as far as I can tell. And neither of them looks very likely, but Linus> what do I know. Adding Martin Petersen and Johannes Thumshirn to Linus> the participants just in case they go "Ahh.." Doubt it's Johannes' tweak. The qla2xxx crash from the two other bugzilla entries is in: (gdb) list *qla24xx_process_response_queue+0x49 0x27e09 is in qla24xx_process_response_queue (drivers/scsi/qla2xxx/qla_isr.c:2560). 2555 if (rsp->msix->cpuid != smp_processor_id()) { 2556 /* if kernel does not notify qla of IRQ's CPU change, 2557 * then set it here. 2558 */ 2559 rsp->msix->cpuid = smp_processor_id(); 2560 ha->tgt.rspq_vector_cpuid = rsp->msix->cpuid; 2561 } 2562 2563 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2564 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; That particular code went into 4.5 and comes from: commit cdb898c52d1dfad4b4800b83a58b3fe5d352edde Author: Quinn Tran Date: Thu Dec 17 14:57:05 2015 -0500 qla2xxx: Add irq affinity notification Register to receive notification of when irq setting change occured. Signed-off-by: Quinn Tran Signed-off-by: Himanshu Madhani Signed-off-by: Nicholas Bellinger Quinn? -- Martin K. Petersen Oracle Linux Engineering