After disabling KNI(CONFIG_RTE_KNI_KMOD=n), dpdk 2.2.0 got compiled successfully on Rhel 6.8 Kernel(2.6.32-621.el6.x86_64).
Thanks, Murali -----Original Message----- From: Thomas Monjalon [mailto:[email protected]] Sent: Wednesday, March 23, 2016 8:20 PM To: Murali Krishna Cc: users at dpdk.org Subject: Re: [dpdk-users] dpdk 2.2.0 build failure on Rhel 6.8 Beta 1 Kernel 2016-03-23 20:08, Murali Krishna: > Hi Thomas, > > I tried workaround 1, 2 and 3. > > 1. I still see some errors after disabling igb_uio(setting > CONFIG_RTE_EAL_IGB_UIO=n in x86_64-native-linuxapp-gcc/.config) in the > same kernel(2.6.32-621.el6.x86_64). Please see the attachment for > detailed error information. You must disable KNI which is also failing: CONFIG_RTE_KNI_KMOD=n > 2. I tried to build dpdk 2.2.0 on Rhel7.2 > kernel(3.10.0-327.el7.x86_64) and I didn?t see any errors. > > 3. I tried to compile older DPDKs(DPDK 1.7.1, DPDK 1.8.0 and DPDK > 2.0.0) on the same Rhel6.8 kernel(2.6.32-621.el6.x86_64). I am seeing > the same errors which I observed while building dpdk 2.2.0 when I try > to compile older DPDKs(DPDK 1.7.1, DPDK 1.8.0 and DPDK 2.0.0) It is hard to maintain these out of tree modules for kernels receiving a lot of backports. > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com] > 2016-03-23 19:04, Murali Krishna: > > [root at Rhel68B1 dpdk-2.2.0]# cat /etc/redhat-release > > > > Red Hat Enterprise Linux Server release 6.8 Beta (Santiago) > > > > [root at Rhel68B1 dpdk-2.2.0]# uname -a > > > > Linux Rhel68B1 2.6.32-621.el6.x86_64 #1 SMP Wed Feb 24 00:07:06 EST > > 2016 > > x86_64 x86_64 x86_64 GNU/Linux > [...] > > /root/dpdk-2.2.0/x86_64-native-linuxapp-gcc/build/lib/librte_eal/linuxapp/igb_uio/igb_uio.c:213: > > error: ?PCI_MSIX_ENTRY_CTRL_MASKBIT? undeclared (first use in this > > function) > [...] > > Is there any workaround for this? > > Yes there are a lot of workarounds (see the 4 proposals below). > igb_uio is an out-of-tree kernel module. > We are replacing it with upstream modules uio_pci_generic or vfio. > > 1/ Try to disable igb_uio in your config > (x86_64-native-linuxapp-gcc/.config): > CONFIG_RTE_EAL_IGB_UIO=n > 2/ If you want igb_uio, you should upgrade your kernel 3/ If you want > to keep this kernel, you can try an older DPDK version 4/ If you want > to keep this kernel and this DPDK, you can try to fix > the issue and submit a patch to dev at dpdk.org.
