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Message #49544
[Bug 1291113] Re: Intel igb driver infinite loop in ksoftirqd, uses 100% of cpu 0
Can you give the 3.11.10.6 kernel a test, to confirm it fixes this bug? It can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.10.6-saucy/
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Tags added: bot-stop-nagging kernel-bug-exists-upstream saucy
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
** Tags added: kernel-da-key
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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]
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