John, Unfortunately the chip is unmarked except for the letters "V3" and a dot to mark a corner. It's QFP88 package of some kind.
On Wed, May 6, 2020, 11:55 AM John Jackson <1749...@bugs.launchpad.net> wrote: > 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 controller or mcu is on the board, maybe I can > find something similar that I can get over night. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1749961 > > Title: > xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1 > Controller > > Status in linux package in Ubuntu: > In Progress > Status in linux source package in Trusty: > Won't Fix > Status in linux source package in Xenial: > In Progress > Status in linux source package in Bionic: > In Progress > Status in linux source package in Focal: > Confirmed > Status in linux package in Debian: > Confirmed > > Bug description: > It was observed that while trying to use a 4K USB webcam connected to > USB port provided by ASMedia ASM1142 USB 3.1 Controller, the webcam > does not work and kernel log shows the following messages: > > [431.928016] xhci_hcd 0000:12:00.0: ERROR Transfer event TRB DMA ptr not > part of current TD ep_index 2 comp_code 13 > [431.928021] xhci_hcd 0000:12:00.0: Looking for event-dma > 0000003f3330e020 trb-start 0000003f3330e000 trb-end 0000003f3330e000 > seg-start 0000003f3330e000 seg-end 0000003f3330eff0 > [431.928024] xhci_hcd 0000:12:00.0: ERROR Transfer event TRB DMA ptr not > part of current TD ep_index 2 comp_code 13 > [431.928026] xhci_hcd 0000:12:00.0: Looking for event-dma > 0000003f3330e030 trb-start 0000003f3330e000 trb-end 0000003f3330e000 > seg-start 0000003f3330e000 seg-end 0000003f3330eff0 > [431.928027] xhci_hcd 0000:12:00.0: ERROR Transfer event TRB DMA ptr not > part of current TD ep_index 2 comp_code 13 > [431.928029] xhci_hcd 0000:12:00.0: Looking for event-dma > 0000003f3330e050 trb-start 0000003f3330e000 trb-end 0000003f3330e000 > seg-start 0000003f3330e000 seg-end 0000003f3330eff0 > [431.928386] xhci_hcd 0000:12:00.0: ERROR Transfer event TRB DMA ptr not > part of current TD ep_index 2 comp_code 13 > > A similar issue was already reported on Launchpad: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1667750 > > The fix to this issue seems to be the following patch: > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9da5a109 > > Tests in our scenario with this patch proved still broken. Our next > approach is to modify the patch a bit and re-test. > > This LP will be used to document our progress in the investigation. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749961/+subscriptions > ** Attachment added: "IMG_20200506_121654.jpg" https://bugs.launchpad.net/bugs/1749961/+attachment/5367495/+files/IMG_20200506_121654.jpg -- 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
