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Possible hardware/driver issue with DELL Poweredge R720
Hello,
We are running Red Hat Enterprise Linux 6.3 on DELL Poweredge R720 Servers. We are experiencing some issues with networking timeouts and have discovered the following information in dmesg and using lspci:
[root@hostx ~]# cat /var/log/dmesg | grep collision
pci 0000:01:00.1: address space collision: [mem 0xdc800000-0xdc83ffff pref] conflicts with 0000:01:00.0 [mem 0xdc800000-0xdc83ffff pref]
pci 0000:02:00.1: address space collision: [mem 0xdc000000-0xdc03ffff pref] conflicts with 0000:02:00.0 [mem 0xdc000000-0xdc03ffff pref]
[root@hostx ~]# lspci -v | grep Eth
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe
01:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe
02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe
02:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit Ethernet PCIe
We are trying to determine if these messages are in any way related to the network timeout issues we are experiencing and if perhaps a firmware, bios or driver update could address the problem?
Regards,
K. Cloud
DELL-Josh Cr
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June 10th, 2016 12:00
Hi,
Updating the firmware and driver is a good start.
Driver:
Firmware
Is the OS up to date as well?
kweeze
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June 16th, 2016 06:00
Due to contract and security constraints, not to mention obtaining support for 3rd party tools, we are unable to upgrade the OS. We are on RHEL 6.3.
Have you seen this issue before? Is it even an issue or is it a red herring?
DELL-Josh Cr
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June 16th, 2016 10:00
I have not seen this exact issue, but other similar issues have been resolved with a firmware update. If you are unable to update, you may want to try swapping the card with another one.