On 2012年12月13日 23:47, Alan Stern wrote: > On Thu, 13 Dec 2012, Frank Schäfer wrote: > >>> I write a quirk patch. Can you test? >> >> Yes, that makes it work ! >> >>> I just find one MCP51 and two MCP79 OHCI id. Can you provide more buggy >>> hcd id via "lspci -nnvvv"? >>> Thanks. >> >> I have the MCP61 (rev. A2) with id 10de:03f1. >> >> Further NVIDIA OHCI HCD IDs can be found at >> http://openbenchmarking.org/linux/PCI/0c03. >> But I'm not sure that we should blacklist them all. Maybe this bug has >> been fixed in newer chipset revisions / generations ? >> Where did you get the ID for the MCP79 from ? Is it confirmed that this >> device still suffers from the same bug ? >> >> I also wonder if this could be an BIOS / ACPI issue. >> So far, all boards I've seen were form ASUSTeK (Octavio: A8N-VM, me: >> M2N-VM DH, and I remember having seen the same bug on another M2N board >> with MCP55 a while ago). > > It would be great if we could get in touch with an engineer at ASUS or > nVidia who knows the cause of this problem and how to work around it. > Tianyu, do you think this would be possible? Hi Alan: I think this is very hard because these board is old and nVidia doesn't produce chipset now. Otherwise, I have no such channel to communicate with ASUS or nVidia engineer. :( > > Alan Stern > -- Best regards Tianyu Lan -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
