Messages in this thread | | | Date | Mon, 13 Oct 2014 14:32:17 +0200 | From | Lluís Batlle i Rossell <> | Subject | Re: Regarding tx-nocache-copy in the Sheevaplug |
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On Mon, Oct 13, 2014 at 05:26:11AM -0700, Eric Dumazet wrote: > On Mon, 2014-10-13 at 12:52 +0200, Lluís Batlle i Rossell wrote: > > Hello, > > > > on the 7th of January 2014 ths patch was applied: > > https://lkml.org/lkml/2014/1/7/307 > > > > [PATCH v2] net: Do not enable tx-nocache-copy by default > > > > In the Sheevaplug (ARM Feroceon 88FR131 from Marvell) this made packets to be > > sent corrupted. I think this machine has something special about the cache. > > > > Enabling back this tx-nocache-copy (as it used to be before the patch) the > > transfers work fine again. I think that most people, encountering this problem, > > completely disable the tx offload instead of enabling back this setting. > > > > Is this an ARM kernel problem regarding this platform? > > Which NIC and driver is this exactly ?
According to dmesg in 3.10.1: [ 7.858872] mv643xx_eth: MV-643xx 10/100/1000 ethernet driver version 1.4 [ 7.866001] mv643xx_eth_port mv643xx_eth_port.0 eth0: port 0 with MAC address 00:50:43:01:d1:bb
Regards, Lluís. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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