Jeremy Harris via Exim-users wrote:
> On 30/12/2020 13:20, Victor Sudakov via Exim-users wrote:
> > In my situation, I set net.inet.tcp.fastopen.client_enable=0 on the
> > client (exim host) and it cured the problem.
>
> Good to know. It's a workaround, not a fix, IMO.
>
> > I could probably
On 30/12/2020 13:20, Victor Sudakov via Exim-users wrote:
In my situation, I set net.inet.tcp.fastopen.client_enable=0 on the
client (exim host) and it cured the problem.
Good to know. It's a workaround, not a fix, IMO.
I could probably have set
net.inet.tcp.fastopen.server_enable=1 on the
On 30/12/2020 13:10, Victor Sudakov via Exim-users wrote:
You must be a wise man Evgeniy! On the exim host, I set sysctl
net.inet.tcp.fastopen.client_enable=0 and the problem seemed to go away.
That's good to know; thanks.
It may be worth raising a bug against FreeBSD.
Now if you care :-)
Jeremy Harris via Exim-users wrote:
> On 30/12/2020 08:04, Evgeniy Berdnikov via Exim-users wrote:
> > On Wed, Dec 30, 2020 at 02:25:19PM +0700, Victor Sudakov via Exim-users
> > wrote:
> > > Is this ktrace informative https://termbin.com/zjsv ?
>
> Yes; thanks.
>
> >
> >8889 exim CALL
Evgeniy Berdnikov via Exim-users wrote:
> On Wed, Dec 30, 2020 at 02:25:19PM +0700, Victor Sudakov via Exim-users wrote:
> > Evgeniy Berdnikov via Exim-users wrote:
> > > Yes, I have. And have you looked at packet time stamps?
> > > IMHO, 3-5 us time interval between SYN-ACK and RST is
> > >
On 30/12/2020 08:04, Evgeniy Berdnikov via Exim-users wrote:
On Wed, Dec 30, 2020 at 02:25:19PM +0700, Victor Sudakov via Exim-users wrote:
Is this ktrace informative https://termbin.com/zjsv ?
Yes; thanks.
8889 exim CALL socket(PF_INET,0x1,IPPROTO_IP)
8889 exim RET socket
On Wed, Dec 30, 2020 at 11:04:39AM +0300, Evgeniy Berdnikov via Exim-users
wrote:
> Then exim reads file and tries to write into this socket:
>
> 8889 exim CALL sendto(0x5,0x7fff3344,0x4,0,0,0)
> 8889 exim RET sendto -1 errno 57 Socket is not connected
> 8889 exim CALL
On Wed, Dec 30, 2020 at 02:25:19PM +0700, Victor Sudakov via Exim-users wrote:
> Evgeniy Berdnikov via Exim-users wrote:
> > Yes, I have. And have you looked at packet time stamps?
> > IMHO, 3-5 us time interval between SYN-ACK and RST is
> > too low for userspace responce.
>
> Well, the whole
