Date: Wed, 20 Oct 2010 04:53:09 GMT From: Vasily Ivanov <caesar@academ.org> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/151593: Kernel panic when bringing up igb network adapter with MSI-X enabled Message-ID: <201010200453.o9K4r9Rm086219@www.freebsd.org> Resent-Message-ID: <201010200500.o9K50K44061491@freefall.freebsd.org>
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>Number: 151593 >Category: misc >Synopsis: Kernel panic when bringing up igb network adapter with MSI-X enabled >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Oct 20 05:00:20 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Vasily Ivanov >Release: 8.1-RELEASE-p1 >Organization: >Environment: FreeBSD border-3.academ.org 8.1-RELEASE-p1 FreeBSD 8.1-RELEASE-p1 #0: Sun Oct 17 09:49:21 UTC 2010 root@:/usr/obj/usr/src/sys/border amd64 >Description: Shortly after bringing up igb interfaces system panics. Screenshot: http://pix.academ.org/img/2010/10/20/35b6dd863e7099555ed84a616a97f0bb.jpg This by far happened only with MSI-X enabled (default). Hardware is SuperMicro X8DTL with dual Xeon X5650 and Intel Pro/1000ET QuadPort. # dmesg | grep igb0 igb0: <Intel(R) PRO/1000 Network Connection version - 1.9.5> port 0xbc00-0xbc1f mem 0xf97e0000-0xf97fffff,0xf9800000-0xf9bfffff,0xf97dc000-0xf97dffff irq 39 at device 0.0 on pci5 igb0: Using MSIX interrupts with 10 vectors igb0: [ITHREAD] igb0: [ITHREAD] igb0: [ITHREAD] igb0: [ITHREAD] igb0: [ITHREAD] igb0: [ITHREAD] igb0: [ITHREAD] igb0: [ITHREAD] igb0: [ITHREAD] igb0: [ITHREAD] igb0: Ethernet address: 00:1b:21:53:ce:38 # pciconf -l | grep igb0 igb0@pci0:5:0:0: class=0x020000 card=0xa02b8086 chip=0x10e88086 rev=0x01 hdr=0x00 >How-To-Repeat: http://www.youtube.com/watch?v=H6xe0CFiZOQ >Fix: Turn off MSX-X in /boot/loader.conf : hw.igb.enable_msix=0 >Release-Note: >Audit-Trail: >Unformatted:
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