From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755419AbdESKOk (ORCPT ); Fri, 19 May 2017 06:14:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:45300 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750892AbdESKOi (ORCPT ); Fri, 19 May 2017 06:14:38 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A194F2399A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=rostedt@goodmis.org Date: Fri, 19 May 2017 06:14:35 -0400 From: Steven Rostedt To: Christoph Hellwig Cc: LKML , Linus Torvalds , Mathias Nyman , Greg Kroah-Hartman Subject: Re: [REGRESSION] Failed network caused by: xhci: switch to pci_alloc_irq_vectors Message-ID: <20170519061435.6782dc11@gandalf.local.home> In-Reply-To: <20170519082003.GA1411@lst.de> References: <20170518234234.29127245@gandalf.local.home> <20170519082003.GA1411@lst.de> X-Mailer: Claws Mail 3.14.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 19 May 2017 10:20:03 +0200 Christoph Hellwig wrote: > On Thu, May 18, 2017 at 11:42:34PM -0400, Steven Rostedt wrote: > > > > One of my the configs I use to test ftrace with (configs that have > > caused failures in the past), has lots of irq issues and fails to > > initialize the network of my box. I bisected the problem down to a > > single commit, and when I revert that commit, my box boots without any > > network or irq issues. > > Can send me the /proc/interrupts output for the system? The commit > should not have changed behavior and that will narrow down where > I need to look for an issue. Sure, here: # cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 0: 140 0 0 0 IO-APIC 2-edge timer 4: 91 0 190 0 IO-APIC 4-edge ttyS0 8: 0 0 1 0 IO-APIC 8-edge rtc0 9: 0 0 0 0 IO-APIC 9-fasteoi acpi 16: 13 116 42 0 IO-APIC 16-fasteoi xhci-hcd:usb1, ehci_hcd:usb3, eth2 19: 329 0 6008 714 IO-APIC 19-fasteoi ahci[0000:00:1f.2] 23: 1 0 12 0 IO-APIC 23-fasteoi ehci_hcd:usb4 NMI: 0 0 0 0 Non-maskable interrupts LOC: 10443 7996 17600 9457 Local timer interrupts SPU: 0 0 0 0 Spurious interrupts PMI: 0 0 0 0 Performance monitoring interrupts IWI: 0 0 0 0 IRQ work interrupts RTR: 1 0 0 0 APIC ICR read retries RES: 3665 2733 2160 2566 Rescheduling interrupts CAL: 1796 1806 258 2079 Function call interrupts TLB: 14 15 30 10 TLB shootdowns TRM: 0 0 0 0 Thermal event interrupts THR: 0 0 0 0 Threshold APIC interrupts DFR: 0 0 0 0 Deferred Error APIC interrupts MCE: 0 0 0 0 Machine check exceptions MCP: 0 0 0 0 Machine check polls ERR: 130 MIS: 0 PIN: 0 0 0 0 Posted-interrupt notification event PIW: 0 0 0 0 Posted-interrupt wakeup event Just in case this makes a difference: # cat /proc/cmdline ro root=/dev/sda7 LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us console=ttyS0,115200 nmi_watchdog=panic earlyprintk=ttyS0,115200 ignore_loglevel selinux=0 crashkernel=128M@256M isocpus=3 -- Steve