On Thu, 30 Jan 2014, Dennis New wrote: > Indeed, "ohci_quirk_zfmicro" (as mentioned in that marc.info link) > would crash my kernel/system (I think when some graphics switch would > happen) :). So I tried "ohci_quirk_amd700", since there were already > some PCI_VENDOR_ID_ATI quirks in ohci-pci.c that were using it, but > alas, no luck. After about 6 days, the hang/crash happened again. I > wasn't able to get debugging info this time around :s. > > The mystery continues. Hmmm. Looking again at the data you collected, it appears that those quirks are not going to help. _Something_ has gone wrong, but it's hard to tell what. At first I thought maybe the OHCI controller had simply stopped generating interrupt requests, but that doesn't seem to agree with the debugging output. I'll have to write a diagnostic patch to get more information. Unfortunately the next few days are going to be pretty busy, so I won't be able to get to it for a while. Alan Stern -- 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
