Re: kmalloc panic

2015-06-06 Thread Toan Pham
I am experiencing a similar issue on another system (at91sam9n12) that uses Redpine Signal Wireless Driver 1.1.0. I do not know the root cause yet, but it may be related to the Redpine Signals driver. Will update this mailing list if the problem is with the redpine driver. thanks On Thu, May 28

Re: [Problem] broadcom tg3 network driver disconnects under high load

2015-04-28 Thread Toan Pham
> We were able to reproduce this issue internally only with iommu enabled. My last test to collect lspci-info took about 5 hours over a gigabit network for the bug to show up. My setup was running 3 tx scp sessions, each transferring a 1GB file outbound, and 1 rx scp session copying another 1GB f

Re: [Problem] broadcom tg3 network driver disconnects under high load

2015-04-28 Thread Toan Pham
> Do you have PCIE Advanced Error Reporting (CONFIG_PCIEAER) enabled in your kernel? Yes, it is enabled. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: [Problem] broadcom tg3 network driver disconnects under high load

2015-04-27 Thread Toan Pham
Michael, Please see attach files. BTW, I have also tested this bug on at least 8 different HP 705 PCs with the 5762 NIC, so it is probably not a manufacturer defect. In addition, I can never replicate the same issue on the older chipset, BCM5761, which can be found on the HP model 6005. I hope

[Problem] broadcom tg3 network driver disconnects under high load

2015-04-24 Thread Toan Pham
Summary: Broadcom 5762 NIC locks up under heavy load. Description: The tg3 Broadcom network driver that binds with chipset 5762 locks up when under heavy network load. When this happens, a reboot is necessary to recover network. Sometimes, bringing the interface offline and online (via ifconfig