8.1-PRERELEASE 10GE ix driver panics when setting mtu > 1500

[Jack Vogel]

Try the driver in HEAD, I am going to MFC that shortly anyway.

Jack


On Mon, May 24, 2010 at 4:16 AM, Ronald van der Pol <
Ronald.vanderPol at rvdp.org> wrote:

> An 'ifconfig ix0 mtu 1500' works fine, but 'ifconfig ix0 mtu 1501'
> causes a panic. It was either a "RX ring hdr initialization failed!"
> or a "RX ring pkt initialization failed!" (sorry, I did not write it
> down because I thought it would be in the logs).
>
> This is with a 8-STABLE cvsup'd yesterday:
> FreeBSD XXXXXXX 8.1-PRERELEASE FreeBSD 8.1-PRERELEASE #4: Sun May 23
> 17:23:39 CEST 2010     root at XXXXX:/usr/obj/usr/src/sys/GENERIC  amd64
>
> ix0: <Intel(R) PRO/10GbE PCI-Express Network Driver, Version - 2.1.7>
> port 0xece0-0xecff mem 0xdf1a0000-0xdf1bffff,0xdf1c0000-0xdf1fffff,
> 0xdf19c000-0xdf19ffff irq 34 at device 0.0 on pci5
> ix0: Using MSIX interrupts with 9 vectors
> ix0: [ITHREAD]
> ix0: [ITHREAD]
> ix0: [ITHREAD]
> ix0: [ITHREAD]
> ix0: [ITHREAD]
> ix0: [ITHREAD]
> ix0: [ITHREAD]
> ix0: [ITHREAD]
> ix0: [ITHREAD]
> ix0: Ethernet address: 00:1b:21:49:56:61
> ix0: PCI Express Bus: Speed 2.5Gb/s Width x8
>
> ix0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>
>  options=5bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,LRO>
>        ether 00:1b:21:49:56:61
>        inet 10.0.1.1 netmask 0xffffff00 broadcast 10.0.1.255
>        media: Ethernet autoselect (10Gbase-SR <full-duplex>)
>        status: active
>
>        rvdp
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