misc/121977: FreeBSD 7.0 (network problems)

Evgeniy evgeniy at berloga.net
Sat Mar 22 23:20:01 UTC 2008


>Number:         121977
>Category:       misc
>Synopsis:       FreeBSD 7.0 (network problems)
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Mar 22 23:20:00 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Evgeniy
>Release:        7.0-STABLE FreeBSD 7.0-STABLE
>Organization:
>Environment:
FreeBSD berloga.net 7.0-STABLE FreeBSD 7.0-STABLE #1: Sun Mar 23 00:18:19 EET 2008     evgeniy at berloga.net:/usr/src/sys/i386/compile/KERNEL  i386
>Description:
After transition with FreeBSD 6.3 on 7.0 problems with a network have begun.
By transfer of greater files on a server with FreeBSD 7.0 there are mistakes in independence of a method of work to a network (keque, poll, select)
By transfer of the big file (1,4Gb), connection breaks with a mistake " Operation timed out " from a server.
The problem is shown on any software which I tried upload a file on a server: http server nginx (from a web form), lighthttpd (from a web form), pureftpd.

The channel from a server is considerably loaded ~60-80Mbit\s
The Channel to a server is practically free.

The problem disappears, if I limit the channel from a server to a limit in 10Mbit.

Adjustment of parameters of a kernel, replacement of a network card and pachcornds, switching in other port of the provider have not given result.


Losses of packages are, but they are insignificant.

netstat -i
Name    Mtu Network       Address              Ipkts Ierrs    Opkts Oerrs  Coll
rl0    1500 <Link#1>      00:13:d4:6d:56:ba  5240637     2  8448624     5     0
rl0    1500 212.109.44.0  berloga            5265988     -  8491562     -     -
rl0    1500 212.109.44.0  gt1.della.ua           713     -        0     -     -
lo0   16384 <Link#2>                           47665     0    47665     0     0
lo0   16384 your-net      localhost             4801     -     4801     -     -


Motherboard: ASUS P4800 VM
Processor: Intel P4 Prescott
Network adapters: rl and fxp

Excuse for my bad English and thanks for the help.
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:


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