This will usually be an issue because of permissions. However, it could also be caused by OOM. In either case, errno will contain the underlying cause. It is safe to re-init the system here, so allow the application to take corrective action and reinit.
Signed-off-by: Aaron Conole <acon...@redhat.com> Acked-by: Bruce Richardson <bruce.richard...@intel.com> --- lib/librte_eal/linuxapp/eal/eal.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c index e1740a6..d5ef7b5 100644 --- a/lib/librte_eal/linuxapp/eal/eal.c +++ b/lib/librte_eal/linuxapp/eal/eal.c @@ -832,8 +832,12 @@ rte_eal_init(int argc, char **argv) return -1; } - if (rte_eal_pci_init() < 0) - rte_panic("Cannot init PCI\n"); + if (rte_eal_pci_init() < 0) { + rte_eal_init_alert("Cannot init PCI\n"); + rte_errno = EUNATCH; + rte_atomic32_clear(&run_once); + return -1; + } #ifdef VFIO_PRESENT if (rte_eal_vfio_setup() < 0) -- 2.9.3