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    SubjectRe: SiS900: NULL pointer encountered in Rx ring, skipping
    Date
    After doing some changes in the /proc/sys/, it works now without problems!
    My settings:

    net.ipv4.tcp_keepalive_time=3600
    net.ipv4.tcp_rmem=4096 25165824 25165824
    net.core.rmem_max=25165824
    net.core.rmem_default=25165824
    net.ipv4.tcp_wmem=4096 65536 25165824
    net.core.wmem_max=25165824
    net.core.wmem_default=65536
    net.core.optmem_max=25165824

    ________
    dominik


    On Friday 23 July 2004 20:52, Dominik Karall wrote:
    > After a few hours my network doesn't work on my laptop. There appear a lot
    > of those messages:
    >
    > eth0: NULL pointer encountered in Rx ring, skipping
    > eth0: NULL pointer encountered in Rx ring, skipping
    > eth0: NULL pointer encountered in Rx ring, skipping
    > eth0: NULL pointer encountered in Rx ring, skipping
    > eth0: NULL pointer encountered in Rx ring, skipping
    > eth0: NULL pointer encountered in Rx ring, skipping
    > eth0: NULL pointer encountered in Rx ring, skipping
    > eth0: NULL pointer encountered in Rx ring, skipping
    > eth0: NULL pointer encountered in Rx ring, skipping
    > eth0: NULL pointer encountered in Rx ring, skipping
    >
    > It works again after restarting network. I'm using 2.6.8-rc2 now. It was
    > the same problem in 2.6.7, but I didn't test it with earlier kernels.
    >
    > And right now I got one more eth0 message:
    > eth0: Too much work at interrupt, interrupt status = 0x00000031.
    > eth0: Too much work at interrupt, interrupt status = 0x00000001.
    >
    > Here the messages after module loading:
    > eth0: SiS 900 Internal MII PHY transceiver found at address 1.
    > eth0: Using transceiver found at address 1 as default
    > eth0: SiS 900 PCI Fast Ethernet at 0xd000, IRQ 9, 00:a0:cf:c0:8a:dc.
    > eth0: Media Link On 100mbps full-duplex
    > eth0: Memory squeeze,deferring packet.
    >
    > lspci:
    > 0000:00:01.1 Ethernet controller: Silicon Integrated Systems [SiS] SiS900
    > PCI Fast Ethernet (rev 80)
    > Subsystem: Silicon Integrated Systems [SiS] SiS900 10/100 Ethernet
    > Adapter
    > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
    > Stepping- SERR+ FastB2B-
    > Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
    > <TAbort- <MAbort- >SERR- <PERR-
    > Latency: 32 (13000ns min, 2750ns max)
    > Interrupt: pin C routed to IRQ 9
    > Region 0: I/O ports at d000 [size=ffda0000]
    > Region 1: Memory at ffdc0000 (32-bit, non-prefetchable) [size=4K]
    > Expansion ROM at 00020000 [disabled]
    > Capabilities: [40] Power Management version 1
    > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
    > PME(D0+,D1+,D2+,D3hot+,D3cold+)
    > Status: D0 PME-Enable- DSel=0 DScale=0 PME-
    >
    > ____________
    > dominik
    -
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