I am now seeing this bug with the Precise linux-3.2.0-60 package on the same hardware.
I will try to create a lab-conditions reproduction of the issue to test the 3.11.10.6 kernel, but so far the problem only manifests on my production workload and/or production hardware. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1291113 Title: Intel igb driver infinite loop in ksoftirqd, uses 100% of cpu 0 Status in “linux” package in Ubuntu: Triaged Bug description: This bug is present in 3.11.0-17 and 3.11.0-18: https://lkml.org/lkml/2014/2/19/658 The afflicted network interface's lspci output: 02:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01) Subsystem: Super Micro Computer Inc Device 1521 Flags: bus master, fast devsel, latency 0, IRQ 27 Memory at df920000 (32-bit, non-prefetchable) [size=128K] I/O ports at 8020 [size=32] Memory at df944000 (32-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ Capabilities: [70] MSI-X: Enable+ Count=10 Masked- Capabilities: [a0] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [140] Device Serial Number 00-xx-xx-xx-xx-xx-xx-xx Capabilities: [150] Alternative Routing-ID Interpretation (ARI) Capabilities: [160] Single Root I/O Virtualization (SR-IOV) Capabilities: [1a0] Transaction Processing Hints Capabilities: [1c0] Latency Tolerance Reporting Capabilities: [1d0] Access Control Services Kernel driver in use: igb Kernel modules: igb [I have masked out the MAC address] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1291113/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp