Network connections are lost from time to time

[C. L. Martinez]

On Friday, April 19, 2013, John Baldwin <jhb at freebsd.org> wrote:
> On Friday, April 19, 2013 12:32:18 pm C. L. Martinez wrote:
>> On Friday, April 19, 2013, John Baldwin <jhb at freebsd.org> wrote:
>> > On Friday, April 19, 2013 3:11:41 am C. L. Martinez wrote:
>> >> Hi all,
>> >>
>> >>  I have a strange problem with my FreeBSD 9.1 (fully patched): I loose
>> ssh
>> >> sessions from time to time frequently.
>> >>
>> >>  This fbsd box is installed in an ESXi 5.1 server and I have another
>> three
>> >> fbsd 9.1 in the same ESXi host that do not have this problem, but
maybe
>> the
>> >> problem is with my sysctl.conf and loader.conf settings:
>> >
>> > Which NIC driver are you using?
>> >
>> > --
>> > John Baldwin
>>
>>
>> e1000.
>
> igb?  There are some fixes to handle out of order packets on transmit that
> could break new connections in some cases.  That is probably worth
testing.  I
> think you can just grab the sys/dev/e1000 from 9-stable and drop it into a
> 9.1 tree to test.
>
> --
Nop, I am using em driver ...

> John Baldwin
>