On 2017-05-08 16:14, Andy Shevchenko wrote: > Due to misconfiguration of PCI driver for Intel Quark the user will get > a kernel crash: > > # udhcpc -i eth0 > udhcpc: started, v1.26.2 > stmmaceth 0000:00:14.6 eth0: device MAC address 98:4f:ee:05:ac:47 > Generic PHY stmmac-a6:01: attached PHY driver [Generic PHY] > (mii_bus:phy_addr=stmmac-a6:01, irq=-1) > stmmaceth 0000:00:14.6 eth0: IEEE 1588-2008 Advanced Timestamp supported > stmmaceth 0000:00:14.6 eth0: registered PTP clock > IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready > > udhcpc: sending discover > > stmmaceth 0000:00:14.6 eth0: Link is Up - 100Mbps/Full - flow control off > IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready > BUG: unable to handle kernel NULL pointer dereference at (null) > IP: stmmac_xmit+0xf1/0x1080 > > Fix this by adding necessary settings. > > P.S. I split fix to three patches according to what each of them adds. > > Andy Shevchenko (4): > stmmac: pci: set default number of rx and tx queues > stmmac: pci: TX and RX queue priority configuration > stmmac: pci: RX queue routing configuration > stmmac: pci: split out common_default_data() helper > > drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c | 41 > +++++++++++------------- > 1 file changed, 18 insertions(+), 23 deletions(-) >
Tested-by: Jan Kiszka <jan.kis...@siemens.com> All fine again, thanks! Jan -- Siemens AG, Corporate Technology, CT RDA ITP SES-DE Corporate Competence Center Embedded Linux
