On Wed, 2013-07-24 at 08:39 -0700, Peter LaDow wrote: > A bit of history that may help. We were using an e100 (an 82559) > part, but Intel EOL'd that part so we picked up the 82540EP (which > they have also recently EOL'd). The e100 driver uses a different DMA > model. It uses pci_map_single/pci_unmap_single along with > pci_dma_sync_single_for* calls (as well as other PCI calls). The > e1000 driver, however, does not use the pci_* calls. We have never > had a problem with the e100 parts. I don't suppose the use of > pci_map_* vs dma_map_* makes a difference does it?
No, they resolve to the same thing under the hood. Did you do other changes ? Could it be another unrelated kernel bug causing something like use-after-free of network buffer or similar oddity unrelated to the network driver ? Have you tried with different kernel versions ? Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
