Hi Saeed, Às 6:35 PM de 5/9/2017, Saeed Mahameed escreveu: > 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
I am working with a 32-bit ARC processor based board, connected to a prototyped Gen4 PCI RC. Thanks, Joao
