On Tue, May 9, 2017 at 7:25 PM, Joao Pinto <joao.pi...@synopsys.com> wrote: > Hello, > > I am making tests with a Mellanox MLX5 Endpoint, and I am getting kernel hangs > when trying to enable the hca: > > mlx5_core 0000:01:00.0: enabling device (0000 -> 0002) > mlx5_core 0000:01:00.0: Warning: couldn't set 64-bit PCI DMA mask > mlx5_core 0000:01:00.0: Warning: couldn't set 64-bit consistent PCI DMA mask > mlx5_core 0000:01:00.0: firmware version: 16.19.21102 > INFO: task swapper:1 blocked for more than 10 seconds. > Not tainted 4.11.0-BETAMSIX1 #51 > "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > swapper D 0 1 0 0x00000000 > > Stack Trace: > __switch_to+0x0/0x94 > __schedule+0x1da/0x8b0 > schedule+0x26/0x6c > schedule_timeout+0x2da/0x380 > wait_for_completion+0x92/0x104 > mlx5_cmd_exec+0x70e/0xd60 > mlx5_load_one+0x1b4/0xad8 > init_one+0x404/0x600 > pci_device_probe+0x122/0x1f0 > really_probe+0x1ac/0x348 > __driver_attach+0xa8/0xd0 > bus_for_each_dev+0x3c/0x74 > bus_add_driver+0xc2/0x184 > driver_register+0x50/0xec > init+0x40/0x60 > > (...) > > Stack Trace: > __switch_to+0x0/0x94 > __schedule+0x1da/0x8b0 > schedule+0x26/0x6c > schedule_timeout+0x2da/0x380 > wait_for_completion+0x92/0x104 > mlx5_cmd_exec+0x70e/0xd60 > mlx5_load_one+0x1b4/0xad8 > init_one+0x404/0x600 > pci_device_probe+0x122/0x1f0 > really_probe+0x1ac/0x348 > __driver_attach+0xa8/0xd0 > bus_for_each_dev+0x3c/0x74 > bus_add_driver+0xc2/0x184 > driver_register+0x50/0xec > init+0x40/0x60 > mlx5_core 0000:01:00.0: wait_func:882:(pid 1): ENABLE_HCA(0x104) timeout. Will > cause a leak of a command resource > mlx5_core 0000:01:00.0: enable hca failed > mlx5_core 0000:01:00.0: mlx5_load_one failed with error code -110 > mlx5_core: probe of 0000:01:00.0 failed with error -110 > > Could you give me a clue of what might be happennig? >
Hi Joao, Looks like FW is not responding, most likely due to the DMA mask setting warnings, which architecture is this ? > Thanks, > Joao
