On Thu, 2013-09-19 at 00:08 +0200, Francois Romieu wrote: > Igor Gnatenko <i.gnatenko.br...@gmail.com> : > > Since 136d8f377e1575463b47840bc5f1b22d94bf8f63 commit we have kernel > > panic on: > > 01:05.0 Ethernet controller [0200]: Marvell Technology Group Ltd. > > > > Screen: https://www.dropbox.com/s/mu3t3wxpxbn4ou5/IMAG0507.jpg > > > > RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=1008323 > > Does the ugly stuff below against mainline make a difference ? > > Note to testers: use a size argument above 500 for 'ping' to > exercize the relevant code path. Reported-and-tested-by: Vasiliy Glazov <vasc...@gmail.com> Bisected-by: Igor Gnatenko <i.gnatenko.br...@gmail.com> > > diff --git a/drivers/net/ethernet/marvell/skge.c > b/drivers/net/ethernet/marvell/skge.c > index ef94a59..aa85a3f 100644 > --- a/drivers/net/ethernet/marvell/skge.c > +++ b/drivers/net/ethernet/marvell/skge.c > @@ -3086,6 +3086,7 @@ static struct sk_buff *skge_rx_get(struct net_device > *dev, > PCI_DMA_FROMDEVICE); > skge_rx_reuse(e, skge->rx_buf_size); > } else { > + struct skge_element ee = *e; > struct sk_buff *nskb; > > nskb = netdev_alloc_skb_ip_align(dev, skge->rx_buf_size); > @@ -3098,10 +3099,10 @@ static struct sk_buff *skge_rx_get(struct net_device > *dev, > } > > pci_unmap_single(skge->hw->pdev, > - dma_unmap_addr(e, mapaddr), > - dma_unmap_len(e, maplen), > + dma_unmap_addr(&ee, mapaddr), > + dma_unmap_len(&ee, maplen), > PCI_DMA_FROMDEVICE); > - skb = e->skb; > + skb = ee.skb; > prefetch(skb->data); > } > Yes. This patch fixes problem. ping www.ru -s 500 works fine.
-- Igor Gnatenko Fedora release 20 (Heisenbug) Linux 3.11.1-300.fc20.x86_64 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
