NetBSD Problem Report #47864

From www@NetBSD.org  Wed May 29 09:49:03 2013
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Date: Wed, 29 May 2013 09:49:01 +0000 (UTC)
From: 6bone@6bone.informatik.uni-leipzig.de
Reply-To: 6bone@6bone.informatik.uni-leipzig.de
To: gnats-bugs@NetBSD.org
Subject: pci bus problems
X-Send-Pr-Version: www-1.0

>Number:         47864
>Category:       kern
>Synopsis:       pci bus problems
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed May 29 09:50:00 +0000 2013
>Originator:     Uwe Toenjes
>Release:        NetBSD 6.1
>Organization:
University of Leipzig
>Environment:
NetBSD gate.ipv6.uni-leipzig.de 6.1 NetBSD 6.1 (MYCONF) #4: Wed May 15 21:05:45 CEST 2013  root@ipv6event.rz.uni-leipzig.de:/usr/obj/sys/arch/amd64/compile/MYCONF amd64
>Description:
I am using a Dell 1850 with the following hardware/pci configuration:

00:00.0 Host bridge: Intel Corporation E7520 Memory Controller Hub (rev 09)
00:02.0 PCI bridge: Intel Corporation E7525/E7520/E7320 PCI Express Port A (rev 09)
00:04.0 PCI bridge: Intel Corporation E7525/E7520 PCI Express Port B (rev 09)
00:05.0 PCI bridge: Intel Corporation E7520 PCI Express Port B1 (rev 09)
00:06.0 PCI bridge: Intel Corporation E7520 PCI Express Port C (rev 09)
00:1d.0 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #3 (rev 02)
00:1d.7 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2)
00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE Controller (rev 02)
01:00.0 PCI bridge: Intel Corporation 80332 [Dobson] I/O processor (A-Segment Bridge) (rev 06)
01:00.2 PCI bridge: Intel Corporation 80332 [Dobson] I/O processor (B-Segment Bridge) (rev 06)
02:0c.0 Ethernet controller: Intel Corporation 82546GB Gigabit Ethernet Controller (rev 03)
02:0c.1 Ethernet controller: Intel Corporation 82546GB Gigabit Ethernet Controller (rev 03)
02:0e.0 RAID bus controller: Dell PowerEdge Expandable RAID controller 4 (rev 06)
03:0b.0 Ethernet controller: Intel Corporation 82544EI Gigabit Ethernet Controller (Copper) (rev 02)
05:00.0 PCI bridge: Intel Corporation 6700PXH PCI Express-to-PCI Bridge A (rev 09)
05:00.2 PCI bridge: Intel Corporation 6700PXH PCI Express-to-PCI Bridge B (rev 09)
06:07.0 Ethernet controller: Intel Corporation 82541GI Gigabit Ethernet Controller (rev 05)
07:08.0 Ethernet controller: Intel Corporation 82541GI Gigabit Ethernet Controller (rev 05)
09:05.0 Unassigned class [ff00]: Dell Remote Access Card 4 Daughter Card
09:05.1 Unassigned class [ff00]: Dell Remote Access Card 4 Daughter Card Virtual UART
09:05.2 Unassigned class [ff00]: Dell Remote Access Card 4 Daughter Card SMIC interface
09:06.0 IDE interface: Silicon Image, Inc. PCI0680 Ultra ATA-133 Host Controller (rev 02)
09:0d.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV100 QY [Radeon 7000/VE]

The problem is PCI bus 2. If I only use the network card or only the Raid Controller (PERC) there are no problems. Both devices are used together increases the load of the system to 300 or more. In some cases, the system freezes.
>How-To-Repeat:

>Fix:

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