Messages in this thread |  | | | Date | Thu, 20 Jun 2002 19:03:40 +0200 | | From | Andrea Arcangeli <> | | Subject | Re: 2.4.19pre10aa3 |
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On Thu, Jun 20, 2002 at 03:19:51PM +0200, Andrea Arcangeli wrote: > On Thu, Jun 20, 2002 at 03:44:59PM +0400, Andrey Nekrasov wrote: > > Hello Andrea Arcangeli, > > > > > > Kernel 2.4.19pre10aa3 + hidden_arp (from LVS) > > > > > > > > ... > > Intel(R) PRO/100 Fast Ethernet Adapter - Loadable driver, ver 1.8.38 > > Copyright (c) 2002 Intel Corporation > > > > eth0: Intel(R) 8255x-based Ethernet Adapter > > Mem:0xfb101000 IRQ:18 Speed:100 Mbps Dx:Full > > Hardware receive checksums enabled > > cpu cycle saver enabled > > ... > > > > ... > > eth0 e100_wait_exec_cmd: Wait failed. > > hw tcp v4 csum failed > > hw tcp v4 csum failed > > hw tcp v4 csum failed > > hw tcp v4 csum failed > > hw tcp v4 csum failed > > hw tcp v4 csum failed > > hw tcp v4 csum failed > > ... > > > > > > Than this message is caused? It something serious also can be problems? > > probably a driver issue with hw checksum. btw interestingly the stack > computes the cksum by hand for every tcp incoming packet (unless > ip_summed is set by the driver to CHECKSUM_UNNECESSARY), this is how it > noticed the hw checksum was wrong. I guess it's either an e100 driver > issue, or an hardware issue. Maybe it's setting DF_CSUM_OFFLOAD for your > card despite your hardware doesn't support that feature, or maybe > there's something wrong in the logic that sets the skb->csum.
you may want to try again with aa4, it has a newer e100 driver taken from jam2 that might make difference here.
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