WebI did set the PCIe jumper on the zcu102 to x4 (the middle two pins). here is what dmesg says: [ 4.839867] pci 0000:01:00.0: 8.000 Gb/s available PCIe bandwidth, limited by 5.0 GT/s PCIe x2 link at 0000:00:00.0 (capable of 31.504 Gb/s with 8.0 GT/s PCIe x4 link) Edit: after debugging some I found that at boot time the FSBL configures GTR lanes 2 ... WebNov 9, 2024 · >> two Broadcom NetXtreme BCM5720 2-port Gigabit Ethernet PCIe cards >> (14e4:165f) take 150 ms to be initialized. >> ... 4.000 Gb/s available PCIe bandwidth, …
Guide to PCIe Lanes: How many do you need for your workload…
WebThe driver is enabled via the standard kernel configuration system, using the make command: make oldconfig/menuconfig/etc. The driver is located in the menu structure at: -> Device Drivers. -> Network device support (NETDEVICES [=y]) -> Ethernet driver support. -> Pensando devices. -> Pensando Ethernet IONIC Support. WebMay 4, 2024 · [ 14.309133] mlx5_core 0000:c4:00.0: 63.012 Gb/s available PCIe bandwidth, limited by 16 GT/s x4 link at 0000:c0:03.1 (capable of 252.048 Gb/s with 16 GT/s x16 link) [ 14.316864] mlx5_core 0000:c4:00.0: handle_hca_cap:692:(pid 995): log_max_qp value in current profile is 18, changing it to HCA capability limit (17) ... scary wayfair
mlx5_core: probe failed with error -524 for ConnectX-5 Innova-2 …
WebDec 11, 2024 · PCIe 4.0 has a full-duplex bandwidth of ~4GB/s per lane(actually closer to 3.9GB/s). So a PCIe 4.0 x16 port would be capable of ~64GB/s total bandwidth(~32GB/s … Web# dmesg grep PCIe [19888.928225] pci 0000:1a:10.3: 8.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s PCIe x4 link at 0000:05:01.0 (capable of 126.016 Gb/s … WebJun 7, 2024 · leesteken said: Looks like the kernel is telling you that device 01:00.0 is a PCIe x16 card in a x1 slot (connected via host/PCI bridge 00:1c.0), which reduces the maximum bandwidth by 93.75%. If you have another empty x16 slot, you might want to move that card (but beware that the PCI IDs can change because of that). scary ways to say hello