linux-kernel - 2.6.30-rc3, forcedeth: no net

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Date:	Sat, 25 Apr 2009 10:58:25 +0200
From:	Harald Dunkel <harald.dunkel@...nline.de>
To:	Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: 2.6.30-rc3, forcedeth: no net

Hi folks,

There is a problem with forcedeth: The initialization on my
machine takes several minutes. This exceeds the usual wait
loop of dhcpcd. Using a static IP address doesn't help, either.
IP address and so on are set correctly, but there is still
no net.

I could reproduce this with 2.6.29.1 and 2.6.30-rc3. For
testing I had reverted cb52deba12f27af90a46d2f8667a64888118a888
("power down phy when interface is down"), but this did not help.
It was a wild guess, anyway.

/var/log/messages:
:
:
Apr 25 10:29:53 elmer kernel: [    5.796093] forcedeth: Reverse Engineered nForce ethernet driver. Version 0.64.
Apr 25 10:29:53 elmer kernel: [    5.908812] ACPI: PCI Interrupt Link [LMAC] enabled at IRQ 22
Apr 25 10:29:53 elmer kernel: [    5.944151] forcedeth 0000:00:0a.0: PCI INT A -> Link[LMAC] -> GSI 22 (level, low) -> IRQ 22
Apr 25 10:29:53 elmer kernel: [    6.056607] forcedeth 0000:00:0a.0: ifname eth0, PHY OUI 0x732 @ 1, addr 00:22:68:62:c1:8d
Apr 25 10:29:53 elmer kernel: [    6.075176] usbcore: registered new interface driver usbfs
Apr 25 10:29:53 elmer kernel: [    6.154910] forcedeth 0000:00:0a.0: highdma csum pwrctl gbit lnktim msi desc-v3
:
:
Apr 25 10:29:54 elmer kernel: [   22.422017] eth0: no link during initialization.
Apr 25 10:29:54 elmer kernel: [   24.774868] eth0: link up.
Apr 25 10:29:54 elmer kernel: [   24.780817] eth0: link down.
Apr 25 10:29:54 elmer kernel: [   31.401174] eth0: link up.
Apr 25 10:29:54 elmer kernel: [   33.169139] eth0: link down.
Apr 25 10:29:54 elmer kernel: [   38.006407] eth0: link up.
Apr 25 10:29:54 elmer kernel: [   38.011970] eth0: link down.
Apr 25 10:31:58 elmer kernel: [  216.027643] eth0: link up.
:

lspci:
00:0a.0 Ethernet controller: nVidia Corporation MCP79 Ethernet (rev b1)
        Subsystem: Acer Incorporated [ALI] Device 0222
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0 (250ns min, 5000ns max)
        Interrupt: pin A routed to IRQ 22
        Region 0: Memory at fae7d000 (32-bit, non-prefetchable) [size=4K]
        Region 1: I/O ports at d080 [size=8]
        Region 2: Memory at fae7e800 (32-bit, non-prefetchable) [size=256]
        Region 3: Memory at fae7e400 (32-bit, non-prefetchable) [size=16]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable+ DSel=0 DScale=0 PME-
        Kernel driver in use: forcedeth

The machine is an Acer Aspire Revo.

I would be glad to help to debug this problem. Please mail.


Regards

Harri


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