Re: Connection tracking and soft lockups with certain field values

2015-05-29 Thread Andrey Korolyov
On Thu, May 28, 2015 at 10:41 PM, Andrey Korolyov wrote: > Hi, > > I am currently playing with SYNPROXY target to optimize SYN filtering > performance and by occasion found that TCP SYN packets containing port > 0 can result in a soft lockup when conntrack is enabled just by > itself, given high p

Connection tracking and soft lockups with certain field values

2015-05-28 Thread Andrey Korolyov
Hi, I am currently playing with SYNPROXY target to optimize SYN filtering performance and by occasion found that TCP SYN packets containing port 0 can result in a soft lockup when conntrack is enabled just by itself, given high packet ratio (I`ve reached 450kpps so far with 60b packets on a /32<->