[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2020-05-06 Thread John Jackson
Hi Ubuntu Community, I would like to find one of the COTS products that is reproducing this issue. From reading the thread above it looks like it is a camera and a usb ethernet adapter. Does anyone have more specifics or a product link where I can purchase these. I currently havent seen the issue

[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2020-05-06 Thread John Jackson
Thanks Lior, and Aki. I fear the Razer core X chroma may require extensive setup and a graphics card that I do not have handy or am prepared to take on right now. And I cannot get the IMX291 CMOS Camera overnight. Aki, do you mind looking at the Camera and trying decipher which device side usb con

[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2020-05-14 Thread John Jackson
Hi Aki and Linux Community, I was able to get the camera and Yes it does produce the issue reported above with an ASMedia 3142. I have captured a lecroy trace that I can share, I hope this helps someone. You can observe the enumeration and timing between packets, as well as see where the flow cont

[Kernel-packages] [Bug 1749961] Re: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller

2020-05-01 Thread John Jackson
Hi Ubuntu and Linux Team, I have been observing the attached dmesg output with several different ASMedia 3142 Cards whilst doing usb bulk transfers using the linux read and write api's to a usb device. This tends to break the software invoking said API's. I am using Ubuntu server 18.04.3 with kern