I am getting an error when i send traffic thru 8086:10e6 device +------ PCI-Express Device Error ------+ Error Severity : Uncorrected (Non-Fatal) PCIE Bus Error type : Transaction Layer Completion Timeout : Multiple Requester ID : 0028 VendorID=8086h, DeviceID=d13ah, Bus=00h, Device=05h, Function=00h igb: ge1_0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX igb: ge1_1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX I have added output of lspci -m and lspci -vvt . 1. How can we confirm this is s/w or hw problem ? 2. Any clue or hint on how to debug is really appreciated ? bash-3.2# lspci -m 00:00.0 "Class 0600" "Vendor 8086" "Device d130" -r11 "Unknown vendor 105b" "Device 0d61" 00:03.0 "Class 0604" "Vendor 8086" "Device d138" -r11 "" "" 00:05.0 "Class 0604" "Vendor 8086" "Device d13a" -r11 "" "" 00:08.0 "Class 0880" "Vendor 8086" "Device d155" -r11 "Unknown vendor 005b" "Device 0061" 00:08.1 "Class 0880" "Vendor 8086" "Device d156" -r11 "Unknown vendor 005b" "Device 0061" 00:08.2 "Class 0880" "Vendor 8086" "Device d157" -r11 "Unknown vendor 005b" "Device 0061" 00:08.3 "Class 0880" "Vendor 8086" "Device d158" -r11 "Unknown vendor 005b" "Device 0061" 00:10.0 "Class 0880" "Vendor 8086" "Device d150" -r11 "Unknown vendor 005b" "Device 0061" 00:10.1 "Class 0880" "Vendor 8086" "Device d151" -r11 "Unknown vendor 005b" "Device 0061" 00:1a.0 "Class 0c03" "Vendor 8086" "Device 3b3c" -r06 -p20 "Unknown vendor 105b" "Device 0d61" 00:1c.0 "Class 0604" "Vendor 8086" "Device 3b42" -r06 "" "" 00:1c.4 "Class 0604" "Vendor 8086" "Device 3b4a" -r06 "" "" 00:1c.5 "Class 0604" "Vendor 8086" "Device 3b4c" -r06 "" "" 00:1d.0 "Class 0c03" "Vendor 8086" "Device 3b34" -r06 -p20 "Unknown vendor 105b" "Device 0d61" 00:1e.0 "Class 0604" "Vendor 8086" "Device 244e" -ra6 -p01 "" "" 00:1f.0 "Class 0601" "Vendor 8086" "Device 3b16" -r06 "Unknown vendor 105b" "Device 0d61" 00:1f.2 "Class 0104" "Vendor 8086" "Device 2822" -r06 "Unknown vendor 105b" "Device 0d61" 00:1f.3 "Class 0c05" "Vendor 8086" "Device 3b30" -r06 "Unknown vendor 105b" "Device 0d61" 01:00.0 "Class 0604" "Vendor 10b5" "Device 8618" -rba "" "" 02:01.0 "Class 0604" "Vendor 10b5" "Device 8618" -rba "" "" 02:03.0 "Class 0604" "Vendor 10b5" "Device 8618" -rba "" "" 02:05.0 "Class 0604" "Vendor 10b5" "Device 8618" -rba "" "" 02:07.0 "Class 0604" "Vendor 10b5" "Device 8618" -rba "" "" 02:09.0 "Class 0604" "Vendor 10b5" "Device 8618" -rba "" "" 02:0b.0 "Class 0604" "Vendor 10b5" "Device 8618" -rba "" "" 02:0d.0 "Class 0604" "Vendor 10b5" "Device 8618" -rba "" "" 02:0f.0 "Class 0604" "Vendor 10b5" "Device 8618" -rba "" "" 03:00.0 "Class 0200" "Vendor 8086" "Device 10d3" "Unknown vendor 8086" "Device 0000" 04:00.0 "Class 0200" "Vendor 8086" "Device 10d3" "Unknown vendor 8086" "Device 0000" 05:00.0 "Class 0200" "Vendor 8086" "Device 10d3" "Unknown vendor 8086" "Device 0000" 06:00.0 "Class 0200" "Vendor 8086" "Device 10d3" "Unknown vendor 8086" "Device 0000" 07:00.0 "Class 0200" "Vendor 8086" "Device 10d3" "Unknown vendor 8086" "Device 0000" 08:00.0 "Class 0200" "Vendor 8086" "Device 10d3" "Unknown vendor 8086" "Device 0000" 09:00.0 "Class 0200" "Vendor 8086" "Device 10d3" "Unknown vendor 8086" "Device 0000" 0a:00.0 "Class 0200" "Vendor 8086" "Device 10d3" "Unknown vendor 8086" "Device 0000" 0b:00.0 "Class 0604" "Vendor 10b5" "Device 8624" -rbb "" "" 0c:04.0 "Class 0604" "Vendor 10b5" "Device 8624" -rbb "" "" 0c:05.0 "Class 0604" "Vendor 10b5" "Device 8624" -rbb "" "" 0c:08.0 "Class 0604" "Vendor 10b5" "Device 8624" -rbb "" "" 0c:09.0 "Class 0604" "Vendor 10b5" "Device 8624" -rbb "" "" 0e:00.0 "Class 0604" "Vendor 10b5" "Device 8518" -rac "" "" 0f:01.0 "Class 0604" "Vendor 10b5" "Device 8518" -rac "" "" 0f:02.0 "Class 0604" "Vendor 10b5" "Device 8518" -rac "" "" 10:00.0 "Class 0200" "Vendor 8086" "Device 10e6" -r01 "Unknown vendor 1374" "Device 0b60" 10:00.1 "Class 0200" "Vendor 8086" "Device 10e6" -r01 "Unknown vendor 1374" "Device 0b60" 11:00.0 "Class 0200" "Vendor 8086" "Device 10e6" -r01 "Unknown vendor 1374" "Device 0b60" 11:00.1 "Class 0200" "Vendor 8086" "Device 10e6" -r01 "Unknown vendor 1374" "Device 0b60" 12:00.0 "Class 0b40" "Vendor 1000" "Device 0a05" -r01 "Unknown vendor 1000" "Device 0a09" 14:00.0 "Class 1000" "Vendor 177d" "Device 0010" -r01 "Unknown vendor 177d" "Device 0001" 15:00.0 "Class 0200" "Vendor 8086" "Device 10d3" "Unknown vendor 8086" "Device 0000" 16:00.0 "Class 0604" "Vendor 1a03" "Device 1150" -r02 "" "" 17:00.0 "Class 0300" "Vendor 1a03" "Device 2000" -r10 "Unknown vendor 1a03" "Device 2000" bash-3.2# lspci -tvv -[0000:00]-+-00.0 Device 8086:d130 +-03.0-[0000:01-0a]----00.0-[0000:02-0a]--+-01.0-[0000:03]----00.0 Device 8086:10d3 | +-03.0-[0000:04]----00.0 Device 8086:10d3 | +-05.0-[0000:05]----00.0 Device 8086:10d3 | +-07.0-[0000:06]----00.0 Device 8086:10d3 | +-09.0-[0000:07]----00.0 Device 8086:10d3 | +-0b.0-[0000:08]----00.0 Device 8086:10d3 | +-0d.0-[0000:09]----00.0 Device 8086:10d3 | \-0f.0-[0000:0a]----00.0 Device 8086:10d3 +-05.0-[0000:0b-13]----00.0-[0000:0c-13]--+-04.0-[0000:0d]-- | +-05.0-[0000:0e-11]----00.0-[0000:0f-11]--+-01.0-[0000:10]--+-00.0 Device 8086:10e6 | | | \-00.1 Device 8086:10e6 | | \-02.0-[0000:11]--+-00.0 Device 8086:10e6 | | \-00.1 Device 8086:10e6 | +-08.0-[0000:12]----00.0 Device 1000:0a05 | \-09.0-[0000:13]-- +-08.0 Device 8086:d155 +-08.1 Device 8086:d156 +-08.2 Device 8086:d157 +-08.3 Device 8086:d158 +-10.0 Device 8086:d150 +-10.1 Device 8086:d151 +-1a.0 Device 8086:3b3c +-1c.0-[0000:14]----00.0 Device 177d:0010 +-1c.4-[0000:15]----00.0 Device 8086:10d3 +-1c.5-[0000:16-17]----00.0-[0000:17]----00.0 Device 1a03:2000 +-1d.0 Device 8086:3b34 +-1e.0-[0000:18]-- +-1f.0 Device 8086:3b16 +-1f.2 Device 8086:2822 \-1f.3 Device 8086:3b30 Thanks, Ratheesh -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html