[dpdk-dev] soft lockup calling receive burst

2015-03-20 Thread Joseph Vossen
[snip] > I haven't seen that, but there's a soft-lockup in KNI in DPDK 1.6. Here's > what I posted about that one a few weeks ago: > > Found the problem. No patch to submit since it's already fixed in later > versions of DPDK, but thought I'd follow up with the details since I'm sure > we aren

[dpdk-dev] soft lockup calling receive burst

2015-03-20 Thread Joseph Vossen
hello, I am working on a dpdk-based app using version 1.6 under RH7.3. Under varying traffic loads, I will intermittently notice a kernel soft lockup and the RIP provided by the kernel always points to the same MOV instruction in rte_ethdev.h (line #1982). The stack trace looks like: