Pessoal,
"Pobrema na Praca". Tenho uma m�quina em casa com Conectiva 8.0 e uma
placa de rede Realtek RTL 8139 que de repente parou de funcionar. Minha
conex�o � com a Directnet, via r�dio em pr�dios residenciais, usando
DHCP. A m�quina tem dual boot e fica relativamente f�cil de fazer alguns
testes.
Parece que pelo Linux n�o consigo obter um IP via DHCP - pelo Windows
consigo sem problemas, e pelo Linux aparentemente tamb�m consigo, s� que
os IPs s�o bem diferentes, e curiosamente, tenho obtido sempre o mesmo
IP pelo Linux. Estranho, mas parece que algo no Linux faz com que minha
placa n�o seja reconhecida mas a interface eth0 seja ativada mesmo assim.
Comecei a verificar o que poderia ter de errado, j� que o suporte
t�cnico da Directnet disse taxativamente que o meu problema excedia o
que o suporte poderia fazer.
Ao inicializar o Linux tenho a mensagem "Bringing up interface eth0....
[ OK ]" seguida de "Hint: insmod errors can be caused by incorrect
module parameters, including invalid IO or IRQ parameters". Ah�, parece
que tenho mesm"o pobremas na praca".
Parte do meu dmesg �
----------------------------------------------------
8139too Fast Ethernet driver 0.9.24
PCI: Found IRQ 9 for device 00:0f.0
PCI: Sharing IRQ 9 with 00:04.2
PCI: Sharing IRQ 9 with 00:04.3
eth0: RealTek RTL8139 Fast Ethernet at 0xf0993000, 00:48:54:84:02:55, IRQ 9
eth0: Identified 8139 chip type 'RTL-8139B'
eth0: Setting half-duplex based on auto-negotiated partner ability 0000.
eth0: Too much work at interrupt, IntrStatus=0x0001.
eth0: Setting half-duplex based on auto-negotiated partner ability 0000.
martian source 255.255.255.255 from 192.168.72.100, on dev eth0
ll header: ff:ff:ff:ff:ff:ff:00:c0:02:76:77:52:08:00
...
[drm] Initialized tdfx 1.0.0 20010216 on minor 0
martian source 255.255.255.255 from 200.152.12.160, on dev eth0
ll header: ff:ff:ff:ff:ff:ff:00:00:e8:8f:4c:0d:08:00
martian source 255.255.255.255 from 200.152.12.160, on dev eth0
ll header: ff:ff:ff:ff:ff:ff:00:00:e8:8f:4c:0d:08:00
martian source 255.255.255.255 from 200.152.12.187, on dev eth0
ll header: ff:ff:ff:ff:ff:ff:00:50:bf:78:46:3f:08:00
martian source 255.255.255.255 from 192.168.72.100, on dev eth0
ll header: ff:ff:ff:ff:ff:ff:00:c0:02:76:77:52:08:00
martian source 255.255.255.255 from 200.152.0.6, on dev eth0
ll header: ff:ff:ff:ff:ff:ff:00:01:43:4f:a4:0c:08:00
martian source 255.255.255.255 from 192.168.72.100, on dev eth0
ll header: ff:ff:ff:ff:ff:ff:00:c0:02:76:77:52:08:00
martian source 255.255.255.255 from 192.168.72.100, on dev eth0
ll header: ff:ff:ff:ff:ff:ff:00:c0:02:76:77:52:08:00
martian source 255.255.255.255 from 200.152.12.154, on dev eth0
ll header: ff:ff:ff:ff:ff:ff:00:00:e8:8f:50:db:08:00
martian source 255.255.255.255 from 192.168.72.100, on dev eth0
...
----------------------------------------------------
As perguntas s�o:
1 - O que � esse "Too much work at interrupt" ? Problemas com o
compartilhamento
com a IRQ 9 ?
2 - O que s�o estes ll header e martian source... ? De onde vem estes
IPs mencionados ?
Vendo /proc/pci, o que usa a IRQ 9:
----------------------------------------------------
PCI devices found:
...
Bus 0, device 4, function 2:
USB Controller: VIA Technologies, Inc. UHCI USB (rev 16).
IRQ 9.
Master Capable. Latency=32.
I/O at 0xd400 [0xd41f].
Bus 0, device 4, function 3:
USB Controller: VIA Technologies, Inc. UHCI USB (#2) (rev 16).
IRQ 9.
Master Capable. Latency=32.
I/O at 0xd000 [0xd01f].
...
Bus 0, device 15, function 0:
Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139 (rev 16).
IRQ 9.
Master Capable. Latency=32. Min Gnt=32.Max Lat=64.
I/O at 0xa000 [0xa0ff].
Non-prefetchable 32 bit memory at 0xf1000000 [0xf10000ff].
----------------------------------------------------
Hum, coisas USB que eu n�o uso ainda - mesmo assim era pra funcionar,
certo ?
Quais s�o as sugest�es ? Tentar mudar de placa de rede ? Alguma id�ia ?
grato
Rafael
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