[ask for help and advice] fib6_del triggered BUG_ON, because rt->rt6i_ref counter is 2

Hi, all I used kernel-3.4 and applied patch "6e9e16e6143b72 ipv6: replacing a rt6_info needs to purge possible propagated rt6_infos too", I'm not sure which opertion triggered the BUG_ON, from vmcore, I got that rt6i_ref's counter is 0x2 and rt6i_dst is ff02::02 Until now ,the BUG_ON

Re: Issue with /proc/sys/net/ipv4/tcp_mem

On 2015/10/13 13:07, Eric W. Biederman wrote: > Eric Dumazet writes: > >> On Mon, 2015-10-12 at 11:37 -0500, Eric W. Biederman wrote: >>> wangyufen writes: >>> >>>> Hi, >>>> >>>> I tried on linux-4.1: >>>>

Issue with /proc/sys/net/ipv4/tcp_mem

Hi, I tried on linux-4.1: linux:~# cat /proc/sys/net/ipv4/tcp_mem 8388608 1258291216777216 linux:~# echo 1234 >/proc/sys/net/ipv4/tcp_mem -bash: echo: write error: Invalid argument linux:~# cat /proc/sys/net/ipv4/tcp_mem 12341258291216777216