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slithy
Guru
Joined: 26 Nov 2005
Posts: 321
Location: Kansas
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 Posted: Sat Feb 04, 2006 4:54 am Post subject: Abit VP6 [Solved, FINALLY!!] |
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I am currently trying to install gentoo on my Abit VP6 with 2x1000EB PIII processors and the problem that I am having is that my network card won't get an ip from dhcp. I have a Netgear GA302T which uses the tg3 driver, which is loaded. I have tried a static ip and once I get all that set, I can't ping crap. The only time I was able to half-ass get packets was when I had the card in pci slot 4 and when I would hit keys on my USB keyboard, packets would go. I believe this to be because PCI slot 4 and the usb controller share an IRQ, but have tried just about every over slot and what not and can't get the eth0 to work. I think it has something to do with an IRQ problem, but I don't know much about IRQs, so any help would be appreciated.
Last edited by slithy on Sun Feb 05, 2006 2:47 am; edited 4 times in total |
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cyrillic
Watchman
Joined: 19 Feb 2003
Posts: 7313
Location: Groton, Massachusetts USA
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| Posted: Sat Feb 04, 2006 5:35 pm Post subject: |
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IRQ routing problems will certainly make your NIC not work properly.
When you load the tg3 module, look at dmesg to see what IRQ it is getting
| Code: | # dmesg | less
...
ACPI: PCI Interrupt Link [APC1] enabled at IRQ 16
ACPI: PCI Interrupt 0000:01:08.0[A] -> Link [APC1] -> GSI 16 (level, high) -> IRQ 20
eth1: Tigon3 [partno(AC91002A1) rev 0105 PHY(5701)] (PCI:33MHz:32-bit) 10/100/1000BaseT Ethernet 00:09:5b:62:1e:ce
eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] Split[0] WireSpeed[1] TSOcap[0]
eth1: dma_rwctrl[76ff000f]
tg3: eth1: Link is up at 1000 Mbps, full duplex.
tg3: eth1: Flow control is on for TX and on for RX. |
then look at /proc/interrupts to see if the line for that IRQ has eth1 (in my case) listed on it.
| Code: | # cat /proc/interrupts
CPU0
0: 603024 IO-APIC-edge timer
1: 2610 IO-APIC-edge i8042
7: 0 IO-APIC-edge parport0
8: 2 IO-APIC-edge rtc
9: 0 IO-APIC-level acpi
12: 93739 IO-APIC-edge i8042
14: 17777 IO-APIC-edge ide0
15: 17524 IO-APIC-edge ide1
16: 41638 IO-APIC-level ide2
17: 235708 IO-APIC-level ohci_hcd:usb1, eth0
18: 0 IO-APIC-level ohci_hcd:usb2, NVidia nForce2
19: 3 IO-APIC-level ehci_hcd:usb3, ohci1394
20: 121966 IO-APIC-level eth1
21: 119311 IO-APIC-level radeon@pci:0000:03:00.0
NMI: 0
LOC: 603013
ERR: 0
MIS: 0 |
If you can't get your NIC to show up properly in /proc/interrupts , then try recompiling your kernel with different options for ACPI, APIC, IO-APIC. These are the main options that affect IRQ routing (besides putting the NIC in a different PCI slot). |
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slithy
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Joined: 26 Nov 2005
Posts: 321
Location: Kansas
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| Posted: Sat Feb 04, 2006 6:58 pm Post subject: |
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First off, I went ahead and installed the base OS from the cd and am booted into the 2.6.12-gentoo-r6 kernel.
Second, I checked dmesg and /proc/interrupts and eth0 gets IRQ 11 in dmesg, but isn't listed /proc/interrupts.
When you were saying about recompiling with the different ACPI and APIC options, are you talking about what's under the Power Management Section?
EDIT:
tg3 from dmesg:
| Code: | tg3.c:v3.31 (June 8, 2005)
ACPI: PCI INterrupt 0000:00:0b.0[A]: no GSI - using IRQ 11
eth0: Tigon3 [partno(AC91002A1) rev 0105 PHY(5701)] (PCI :33Mhz:32-bit) 10/100/1000BaseT Ethernet 00:09:5b:8e:65:6b
eth0: RXcsums[1] LinkChgREG[0] MIirg[0] ASF[0] Split[0] WireSpeed[1] TS0cap[0]
eth0: dma_rwctrl[76ff000f] |
cat /proc/interrupts:
| Code: | CPU0 CPU1
0: 424320 3681 IO-APIC-edge timer
1: 483 2 IO-APIC-edge i8042
5: 0 0 IO-APIC-level acpi
12: 2 1 IO-APIC-level uhci_hcd:usb1, uhci_hcd:usb2
14: 665 5 IO-APIC-edge ide0
15: 2 11 IO-APIC ide1
NMI: 0 0
LOC: 427883 428347
ERR: 0
MIS: 0 |
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cyrillic
Watchman
Joined: 19 Feb 2003
Posts: 7313
Location: Groton, Massachusetts USA
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| Posted: Sat Feb 04, 2006 7:22 pm Post subject: |
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Yes, ACPI is under power management
| Code: | Power management options (ACPI, APM) --->
ACPI (Advanced Configuration and Power Interface) Support --->
[*] ACPI Support |
APIC and IO-APIC are in the processor section
| Code: | Processor type and features --->
[*] Local APIC support on uniprocessors
[*] IO-APIC support on uniprocessors |
I think APIC is enabled by default for SMP kernels, so you may not see this option. |
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slithy
Guru
Joined: 26 Nov 2005
Posts: 321
Location: Kansas
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| Posted: Sat Feb 04, 2006 7:55 pm Post subject: |
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Switching the power management over to APM from ACPI fixed the problem, thanks for your help!
EDIT: Ok, while the network card worked under that, I was getting a kernel panic, so I read elsewhere on the forum that the same problem was solved by flashing the BIOS. I flashed and the card worked under my original kernel, but I am still getting the panic. The one thing that is consistent with the panic is that the card is in a working condtion. I am now testing the system with no network card to see if there is a panic.
EDIT II: Moving the nic to another PCI slot (slot 5) has stopped the kernel panic. I also up the kernel to 2.6.15.
EDIT III: Was still getting kernel panics, turns out it was a bad stick of RAM. |
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