em(4) problems.

[Stefan Bethke]

Am 05.05.2004 um 13:31 schrieb Søren Schmidt:

> Pawel Jakub Dawidek wrote:
>> On Wed, May 05, 2004 at 12:42:48PM +0200, Pawel Jakub Dawidek wrote:
>> +> Hi.
>> +> +> I've problems with em(4) and IPSEC/FAST_IPSEC and TCP_STREAM 
>> netperf test.
>> +> While running netperf tests between two FreeBSD machines directly 
>> connected
>> +> em0 goes down once every few minutes and I've no idea why.
>> +> Without IPSEC everything works just fine, with IPSEC/FAST_IPSEC it 
>> also
>> +> works fine but for other tests (UDP_STREAM, TCP_RR, UDP_RR).
>
> For what its worth I have problems with one em based interface as 
> well, it locks the machine solid when used:

me too:
FreeBSD 5.2-CURRENT #0: Tue Apr 13 18:50:30 GMT 2004
     root at vergissnix:/usr/obj/usr/src/sys/VERGISSNIX
em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.25> port 
0xc000-0xc01f
  mem 0xf2000000-0xf201ffff irq 12 at device 1.0 on pci2
em0: Bus reserved 0x20000 bytes for rid 0x10 type 3 at 0xf2000000
em0: Bus reserved 0x20 bytes for rid 0x18 type 4 at 0xc000
em0: [GIANT-LOCKED]
em0: Ethernet address: 00:e0:81:27:b6:12
em0:  Speed:N/A  Duplex:N/A
em1: <Intel(R) PRO/1000 Network Connection, Version - 1.7.25> port 
0xd300-0xd33f
  mem 0xf1020000-0xf103ffff,0xf1000000-0xf101ffff irq 23 at device 2.0 
on pci3
em1: Bus reserved 0x20000 bytes for rid 0x10 type 3 at 0xf1000000
em1: Bus reserved 0x40 bytes for rid 0x18 type 4 at 0xd300
em1: [GIANT-LOCKED]
em1: Ethernet address: 00:e0:81:27:b6:13
em1:  Speed:N/A  Duplex:N/A

em0 at pci2:1:0:   class=0x020000 card=0x10198086 chip=0x10198086 rev=0x00 
hdr=0x00
em1 at pci3:2:0:   class=0x020000 card=0x10138086 chip=0x10138086 rev=0x00 
hdr=0x00

# vmstat -ia
irq12: em0                             0          0
stray irq12                            0          0
irq23: em1                       3916723          3
stray irq23                            0          0

em1 works; after bringing em0 up, machine locks solid after 2 to 5 
minutes.


-- 
Stefan Bethke <stb at lassitu.de>   Fon +49 170 346 0140