Hi John and all, thanks for updating logs and enhancing the report! Due to a lot of other work, and the nature of this problem (being a FW issue that we'd try to alleviate using a hack in linux), I wasn't able to work the tentative hack approach yet.
The issue was "resolved" through a FW update by ASMedia, but this was only worked with a specific motherboard vendor, not as a general release. This is the problem with FW fixes...they are quite scattered and vendor-depending. So, can you John or any of the reporters try to reproduce the problem with: (a) Ubuntu 20.04, just released? (b) Ubuntu 18.04 running the current HWE kernel (5.3)? That'd be good data points. Also, if you could try Ubuntu 20.04 with latest mainline kernel (from [0]), that would be a gigantic help! Thanks in advance, Guilherme [0] https://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ** No longer affects: linux (Ubuntu Artful) ** Changed in: linux (Ubuntu Trusty) Status: In Progress => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1749961 Title: xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 Controller To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749961/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
